/* Brand new modern design */

/* Basic style reset */

* {
    box-sizing: border-box;
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
}

:root {
    --background-color: #f8f9fa;
    --border-color: #e2e8f0;
    --border-radius: 8px;
    --border-radius-full: 9999px;
    --border-radius-lg: 12px;
    --border-radius-sm: 4px;
    --border-radius-xl: 16px;
    --card-color: #ffffff;
    --error-color: #e53e3e;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'JetBrains Mono', SFMono-Regular, Consolas, monospace;
    --font-size-2xl: 1.5rem;
    --font-size-lg: 1.125rem;
    --font-size-md: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-xl: 1.25rem;
    --font-size-xs: 0.75rem;
    --info-color: #63b3ed;
    --primary-color: #4361ee;
    --primary-dark: #3a56d4;
    --primary-light: #6590ff;
    --secondary-color: #6930c3;
    --secondary-light: #7b5dd1;
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --success-color: #48bb78;
    --surface-color: #ffffff;
    --text-color: #2d3748;
    --text-secondary: #718096;
    --transition-fast: 0.15s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;
    --warning-color: #f6ad55;
    /* Navigation button color */
    --nav-button-bg: rgba(255, 255, 255, 0.1);
    --nav-button-hover-bg: rgba(255, 255, 255, 0.2);
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    line-height: 1.5;
    min-height: 100vh;
}

.action-btn {
    align-items: center;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-full);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    height: 36px;
    justify-content: center;
    transition: all var(--transition-normal) ease;
    width: 36px;
}

.action-btn:active,
.send-btn:active {
    box-shadow: none;
    transform: translateY(0);
}

.action-btn:disabled,
.send-btn:disabled {
    box-shadow: none;
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
}

.action-btn:hover {
    background-color: var(--border-color);
    transform: translateY(-2px);
}

.agent-input-area {
    background-color: var(--background-color);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.05);
    padding: var(--spacing-2) var(--spacing-3);
    margin-top: auto;
    flex-shrink: 0;
}

.agent-input-area .input-container {
    align-items: center;
    display: flex;
    gap: var(--spacing-3);
    height: auto;
    max-width: 100%;
    position: relative;
    width: 100%;
}

.agent-input-area textarea {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    color: var(--text-color);
    flex: 1;
    font-size: var(--font-size-sm);
    height: 42px;
    line-height: 1.5;
    max-height: 120px;
    min-height: 42px;
    outline: none;
    overflow-y: hidden;
    padding: var(--spacing-2) var(--spacing-3);
    resize: none;
    transition: all var(--transition-normal) ease;
    width: 100%;
}

.agent-input-area textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
}

.agent-input-area textarea:focus,
.agent-input-area textarea:not(:empty) {
    overflow-y: auto;
}

.agent-messages .column-header i {
    color: var(--primary-color);
}

.brand {
    align-items: center;
    display: flex;
    flex-shrink: 0;
    gap: var(--spacing-3);
    padding-left: var(--spacing-2);
    position: relative;
}

.brand h1 {
    color: var(--text-color);
    display: inline-block;
    font-size: var(--font-size-md);
    font-weight: 600;
    position: relative;
}

.center-notification .notification-icon {
    animation: pulseIcon 2s infinite;
    color: white;
    flex-shrink: 0;
    font-size: 24px;
    margin-right: 16px;
}

.center-notification-content {
    align-items: center;
    display: flex;
    flex-direction: column;
    padding: 16px 20px;
}

.center-notification.error {
    background-color: #f44336;
    background-image: linear-gradient(135deg, #f44336, #e53935);
}

.center-notification.error .eye:after {
    background-color: #e53935;
}

.center-notification.info {
    background-color: #2196f3;
    background-image: linear-gradient(135deg, #2196f3, #1e88e5);
}

.center-notification.success {
    background-color: #4caf50;
    background-image: linear-gradient(135deg, #4caf50, #43a047);
}

.center-notification.warning {
    background-color: #ff9800;
    background-image: linear-gradient(135deg, #ff9800, #f57c00);
}

.center-notification:before {
    background-color: rgba(255, 255, 255, 0.6);
    content: '';
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 4px;
}

.chat-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: auto;
    overflow: hidden;
    position: relative;
    min-height: 500px;
    transition: all 0.3s ease;
    width: calc(100% - 300px);
    /* 默认宽度 */
}

.close-button {
    color: white;
    cursor: pointer;
    font-size: 24px;
    position: absolute;
    right: 0;
    top: -40px;
    transition: all var(--transition-normal) ease;
}

.close-button:hover {
    color: var(--error-color);
    transform: scale(1.1);
}

.column-content {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    gap: var(--spacing-3);
    overflow-y: auto;
    padding: var(--spacing-3);
    padding-bottom: var(--spacing-3);
    min-height: 0;
    height: 100%;
}

.column-header {
    align-items: center;
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    font-weight: 600;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
}

.config-actions {
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
    padding-top: 20px;
}

.config-panel {
    background-color: var(--surface-color);
    border-left: 1px solid var(--border-color);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    height: 100vh;
    overflow-y: auto;
    position: fixed;
    right: -500px;
    top: 0;
    transition: right 0.3s ease-in-out;
    width: 450px;
    z-index: 1000;
}

.config-panel-content {
    padding: 20px;
}

.config-panel-header {
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    padding: 20px;
}

.config-panel-header .close-btn {
    background: none;
    border: none;
    border-radius: 4px;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 5px;
    transition: background-color 0.2s;
}

.config-panel-header .close-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.config-panel-header h2 {
    align-items: center;
    display: flex;
    font-size: 1.2rem;
    gap: 10px;
    margin: 0;
}

.config-panel.active {
    right: 0;
}

.config-section {
    margin-bottom: 30px;
}

.config-section h3 {
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 1.1rem;
    margin-bottom: 15px;
    padding-bottom: 8px;
}

.config-section h3:not(:first-child) {
    border-top: 1px dashed var(--border-color);
    margin-top: 25px;
    padding-top: 15px;
}

.config-section h4 {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 15px 0 10px;
}

.config-tab {
    align-items: center;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    gap: 8px;
    padding: 10px 15px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.config-tab i {
    font-size: 0.9rem;
}

.config-tab.active {
    border-bottom-color: var(--primary-color);
    color: var(--primary-color);
}

.config-tabs {
    border-bottom: 1px solid var(--border-color);
    display: flex;
    margin-bottom: 20px;
    overflow-x: auto;
}

.config-toggle {
    align-items: center;
    background: none;
    border: none;
    border-radius: 50%;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    font-size: 0.9rem;
    height: 24px;
    justify-content: center;
    margin: 0 8px;
    padding: 5px;
    transition: all 0.3s ease;
    width: 24px;
}

.config-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: rotate(30deg);
}

.connected .status-dot {
    background-color: var(--success-color);
}

.copyright-content {
    align-items: center;
    display: flex;
    height: 30px;
    justify-content: center;
}

.copyright-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.current-task {
    align-items: center;
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    height: 44px;
    margin: var(--spacing-3);
    margin-bottom: 0;
    overflow: hidden;
    padding: var(--spacing-2) var(--spacing-3);
}

.current-tool-display {
    align-items: center;
    background-color: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    font-size: var(--font-size-sm);
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
}

.current-tool-display i {
    animation: tool-icon-spin 2s linear infinite, tool-icon-pulse 1.5s ease-in-out infinite alternate;
    color: var(--primary-color);
    font-size: var(--font-size-md);
}

.dark-theme .action-btn {
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-full);
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    display: flex;
    height: 36px;
    justify-content: center;
    transition: all 0.2s ease;
    width: 36px;
}

.dark-theme .action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.dark-theme .agent-input-area {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    border-radius: 0 0 8px 8px;
    border-top: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    padding: var(--spacing-3);
    position: relative;
    z-index: 5;
}

.dark-theme .agent-input-area .input-container {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.8));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-image: var(--border-gradient);
    border-image-slice: 1;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    padding: 4px 5px;
    transition: all 0.3s ease;
}

.dark-theme .agent-input-area .input-container:focus-within {
    border-color: rgba(0, 102, 255, 0.5);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 102, 255, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.dark-theme .agent-input-area textarea {
    background: transparent;
    border: none;
    color: #e2e8f0;
    font-size: 0.95rem;
    outline: none;
    padding: 8px;
}

.dark-theme .agent-input-area textarea::placeholder {
    color: rgba(226, 232, 240, 0.4);
}

.dark-theme .agent-input-area::before {
    background: linear-gradient(90deg, #0066ff, #ff3366, transparent);
    box-shadow: 0 0 8px rgba(0, 102, 255, 0.5);
    content: '';
    height: 1px;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
}

.dark-theme .agent-messages .column-header i,
.dark-theme .tool-messages .column-header i {
    -webkit-background-clip: text;
    background: linear-gradient(90deg, #0066ff, #ff3366);
    background-clip: text;
    color: transparent;
    font-size: 1.3rem;
}

.dark-theme .agent-messages .column-header::after {
    background: linear-gradient(90deg, #0066ff, transparent 80%);
    bottom: 0;
    box-shadow: 0 0 10px 1px #0066ff;
    content: '';
    height: 1px;
    left: 0;
    position: absolute;
    right: 0;
}

.dark-theme .brand h1 {
    -webkit-background-clip: text;
    background: linear-gradient(90deg, #0066ff, #ff3366);
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 5px rgba(255, 51, 102, 0.3);
}

.dark-theme .column-header {
    align-items: center;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    border-bottom: 2px solid rgba(30, 41, 59, 0.8);
    border-radius: 8px 8px 0 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    display: flex;
    font-weight: 600;
    gap: var(--spacing-3);
    height: 45px;
    overflow: hidden;
    padding: var(--spacing-3) var(--spacing-4);
    position: relative;
}

.dark-theme .column-header i {
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.4));
    font-size: 1.2rem;
}

.dark-theme .column-header span {
    color: #ffffff;
    font-family: 'Segoe UI', 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    text-transform: uppercase;
}

.dark-theme .column-header::before {
    background: linear-gradient(180deg,
            rgba(255, 255, 255, 0.1) 0%,
            rgba(255, 255, 255, 0.05) 40%,
            rgba(255, 255, 255, 0) 100%);
    content: '';
    height: 30px;
    left: 0;
    pointer-events: none;
    position: absolute;
    right: 0;
    top: 0;
}

.dark-theme .config-panel {
    background: linear-gradient(135deg, rgba(26, 32, 44, 0.95), rgba(45, 55, 72, 0.95));
    border-image: var(--border-gradient);
    border-image-slice: 1;
    border-image-width: 0 0 0 1px;
    border-left: 1px solid transparent;
}

.dark-theme .config-panel-header {
    background: linear-gradient(90deg, rgba(74, 0, 224, 0.2), rgba(233, 64, 87, 0.2));
    border-bottom: 1px solid transparent;
    border-image: var(--border-gradient);
    border-image-slice: 1;
    border-image-width: 0 0 1px 0;
}

.dark-theme .config-tab {
    color: #ffffff;
}

.dark-theme .config-tab.active {
    animation: gradientShift 5s ease infinite;
    background: var(--button-gradient);
    background-size: 200% 200%;
    color: #ffffff;
}

.dark-theme .connected .status-dot {
    background: #00ff00;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.6);
}

.dark-theme .copyright-content {
    align-items: center;
    display: flex;
    height: 30px;
    justify-content: center;
}

.dark-theme .copyright-content p {
    -webkit-background-clip: text;
    animation: shimmerText 5s linear infinite;
    background: var(--text-gradient);
    background-clip: text;
    background-size: 200% auto;
    color: transparent;
    font-weight: bold;
}

.dark-theme .copyright-section {
    background: linear-gradient(135deg, rgba(74, 0, 224, 0.15), rgba(233, 64, 87, 0.15));
    border-image: var(--border-gradient);
    border-image-slice: 1;
    border-image-width: 1px 0 0 0;
    border-top: 1px solid transparent;
    box-shadow: 0 -4px 15px rgba(74, 0, 224, 0.1);
    flex-shrink: 0;
    margin-top: auto;
    padding: 10px;
    text-align: center;
}

.dark-theme .current-task {
    background: linear-gradient(90deg, rgba(74, 0, 224, 0.1), rgba(233, 64, 87, 0.1));
    border-image: none;
    border-left: none;
}

.dark-theme .current-tool-display .completed-icon {
    -webkit-background-clip: initial;
    -webkit-text-fill-color: #00ff00;
    animation: none;
    background: none;
    background-clip: initial;
    color: #00ff00;
    font-size: 1.2rem;
    text-shadow: 0 0 8px rgba(0, 255, 0, 0.7);
}

.dark-theme .gradient-toggle {
    background: var(--primary-color);
    display: flex;
}

.dark-theme .gradient-toggle.gradient-active {
    animation: gradientShift 5s ease infinite;
    background: var(--button-gradient);
    background-size: 200% 200%;
    box-shadow: 0 4px 20px rgba(74, 0, 224, 0.4);
}

.dark-theme .gradient-toggle.gradient-active i {
    color: white;
}

.dark-theme .gradient-toggle:active {
    transform: translateY(0);
}

.dark-theme .gradient-toggle:hover {
    box-shadow: 0 8px 25px rgba(74, 0, 224, 0.3);
    transform: translateY(-5px);
}

.dark-theme .main-nav {
    background: linear-gradient(90deg, rgba(26, 32, 44, 0.95), rgba(45, 55, 72, 0.95));
    border-bottom: 1px solid transparent;
    border-image: var(--border-gradient);
    border-image-slice: 1;
    border-image-width: 0 0 1px 0;
    box-shadow: 0 2px 10px rgba(74, 0, 224, 0.2);
}

.dark-theme .message {
    transition: all 0.3s ease;
}

.dark-theme .message-header {
    background: linear-gradient(90deg, rgba(74, 0, 224, 0.1), rgba(233, 64, 87, 0.1));
}

.dark-theme .message-role i,
.dark-theme .tool-header i {
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background: var(--icon-gradient);
    background-clip: text;
    color: transparent;
}

.dark-theme .message.assistant {
    border-left: none;
    max-width: 100%;
}

.dark-theme .message.tool {
    border-left: none;
    max-width: 100%;
}

.dark-theme .message:hover {
    box-shadow: 0 4px 20px rgba(74, 0, 224, 0.15);
    transform: translateY(-2px);
}

.dark-theme .primary-btn {
    background: var(--button-gradient);
    border: none;
    box-shadow: 0 4px 15px rgba(74, 0, 224, 0.3);
    transition: all 0.3s ease;
}

.dark-theme .primary-btn:active {
    background: var(--active-gradient);
    transform: translateY(0);
}

.dark-theme .primary-btn:hover {
    background: var(--hover-gradient);
    box-shadow: 0 6px 20px rgba(74, 0, 224, 0.4);
    transform: translateY(-2px);
}

.dark-theme .secondary-btn {
    background: transparent;
    border: 1px solid;
    border-image: var(--border-gradient);
    border-image-slice: 1;
    color: #e2e8f0;
    transition: all 0.3s ease;
}

.dark-theme .secondary-btn:hover {
    background-color: rgba(74, 0, 224, 0.1);
    box-shadow: 0 4px 15px rgba(74, 0, 224, 0.2);
}

.dark-theme .send-btn {
    align-items: center;
    animation: gradientShift 5s ease infinite;
    background: linear-gradient(135deg, #0066ff, #ff3366);
    background-size: 200% 200%;
    border: none;
    border-radius: var(--border-radius-full);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    color: white;
    cursor: pointer;
    display: flex;
    height: 36px;
    justify-content: center;
    transition: all 0.2s ease;
    width: 36px;
}

.dark-theme .send-btn:active {
    filter: brightness(0.95);
    transform: translateY(0);
}

.dark-theme .send-btn:hover {
    animation: gradientShift 5s ease infinite;
    background: var(--hover-gradient);
    background-size: 200% 200%;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.4);
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.dark-theme .session-id-display span {
    color: #ffffff;
}

.dark-theme .status-container.connected .status-text {
    -webkit-background-clip: initial;
    -webkit-text-fill-color: initial;
    background: none;
    background-clip: initial;
    color: #ffffff;
}

.dark-theme .system-highlight {
    -webkit-background-clip: text;
    animation: shimmerText 5s linear infinite;
    background: var(--text-gradient);
    background-clip: text;
    background-size: 200% auto;
    color: transparent;
}

.dark-theme .system-info-text {
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.dark-theme .tab-btn.active {
    background: var(--button-gradient);
    color: white;
}

.dark-theme .task-label {
    color: #ffffff;
}

.dark-theme .task-label i {
    -webkit-background-clip: text;
    background: var(--icon-gradient);
    background-clip: text;
    color: transparent;
}

.dark-theme .task-label span {
    color: #ffffff;
}

.dark-theme .theme-toggle,
.dark-theme .github-nav-link,
.dark-theme .config-toggle {
    background: var(--button-gradient);
    color: white;
}

.dark-theme .theme-toggle:hover,
.dark-theme .github-nav-link:hover,
.dark-theme .config-toggle:hover {
    background: var(--hover-gradient);
    box-shadow: 0 4px 10px rgba(74, 0, 224, 0.3);
    transform: translateY(-2px);
}

.dark-theme .tool-call {
    background: linear-gradient(90deg, rgba(26, 32, 44, 0.8), rgba(45, 55, 72, 0.8));
    border: 1px solid transparent;
    border-image: var(--border-gradient);
    border-image-slice: 1;
}

.dark-theme .tool-call-header {
    background: linear-gradient(90deg, rgba(74, 0, 224, 0.2), rgba(233, 64, 87, 0.2));
}

.dark-theme .tool-header h3 {
    -webkit-background-clip: text;
    background: var(--text-gradient);
    background-clip: text;
    color: transparent;
    font-weight: bold;
}

.dark-theme .tool-header i,
.dark-theme .message-role i,
.dark-theme .notification-icon i {
    -webkit-background-clip: text;
    background: var(--icon-gradient);
    background-clip: text;
    color: transparent;
}

.dark-theme .tool-messages .column-header::after {
    background: linear-gradient(90deg, #ff3366, transparent 80%);
    bottom: 0;
    box-shadow: 0 0 10px 1px #ff3366;
    content: '';
    height: 1px;
    left: 0;
    position: absolute;
    right: 0;
}

.dark-theme .tool-section {
    border-image: var(--border-gradient);
    border-image-slice: 1;
    border-image-width: 0 0 0 1px;
    border-left: 1px solid transparent;
}

.dark-theme .tools-list .tool-item:hover {
    background: linear-gradient(90deg, rgba(74, 0, 224, 0.1), rgba(233, 64, 87, 0.1));
    border-image: var(--border-gradient);
    border-image-slice: 1;
    border-image-width: 0 0 0 1px;
    border-left: 1px solid transparent;
}

.dark-theme .version-badge {
    animation: gradientShift 5s ease infinite;
    background: linear-gradient(90deg, #0066ff, #ff3366);
    background-size: 200% 200%;
    box-shadow: 0 2px 8px rgba(0, 102, 255, 0.3);
    color: white;
}

.dark-theme pre {
    background: linear-gradient(135deg, rgba(26, 32, 44, 0.9), rgba(45, 55, 72, 0.9));
    border: 1px solid transparent;
    border-image: var(--border-gradient);
    border-image-slice: 1;
}

.dark-theme.gradient-disabled .primary-btn,
.dark-theme.gradient-disabled .tab-btn.active,
.dark-theme.gradient-disabled .theme-toggle,
.dark-theme.gradient-disabled .github-nav-link,
.dark-theme.gradient-disabled .config-toggle,
.dark-theme.gradient-disabled .send-btn,
.dark-theme.gradient-disabled .config-tab.active,
.dark-theme.gradient-disabled .connected .status-dot {
    animation: none;
    background: #4a5568;
}

.dark-theme.gradient-disabled .tool-header h3,
.dark-theme.gradient-disabled .copyright-content p,
.dark-theme.gradient-disabled .system-highlight,
.dark-theme.gradient-disabled .message-role i,
.dark-theme.gradient-disabled .tool-header i,
.dark-theme.gradient-disabled .task-label i,
.dark-theme.gradient-disabled .status-container.connected .status-text {
    -webkit-text-fill-color: var(--text-color);
    animation: none;
    background: none;
    color: var(--text-color);
}

.dark-theme::-webkit-scrollbar-thumb,
.dark-theme .tools-panel::-webkit-scrollbar-thumb,
.dark-theme .config-panel::-webkit-scrollbar-thumb,
.dark-theme .column-content::-webkit-scrollbar-thumb,
.dark-theme .files-list::-webkit-scrollbar-thumb,
.dark-theme .config-tabs::-webkit-scrollbar-thumb {
    animation: gradientShift 5s ease infinite;
    background: linear-gradient(135deg, #0575e6, #00f260);
    background-size: 200% 200%;
    border-radius: 10px;
}

.disconnected .status-dot {
    background-color: var(--error-color);
}

.eye {
    background-color: #ffffff;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    height: 30px;
    margin: 0 15px;
    overflow: hidden;
    position: relative;
    width: 30px;
}

.eye:after {
    animation: eye-move 4s infinite ease-in-out;
    background-color: #333333;
    border-radius: 50%;
    content: '';
    height: 15px;
    left: 50%;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 15px;
}

.eyes-animation {
    align-items: center;
    display: flex;
    justify-content: center;
    margin-bottom: 15px;
    width: 100%;
}

.fade-enter-active,
.fade-leave-active {
    transition: opacity 0.3s, transform 0.3s;
}

.fade-enter-from,
.fade-leave-to {
    opacity: 0;
    transform: translateY(-20px) translateX(-50%);
}

.file-action-btn {
    background: none;
    border: none;
    border-radius: var(--border-radius);
    color: var(--text-color);
    cursor: pointer;
    padding: var(--spacing-1);
    transition: all var(--transition-fast);
}

.file-action-btn.delete-btn:hover {
    background-color: var(--error-color);
    color: white;
}

.file-action-btn:hover {
    background-color: var(--primary-color);
    color: white;
}

.file-actions {
    display: flex;
    gap: var(--spacing-2);
}

.file-icon {
    color: var(--primary-color);
    margin-right: var(--spacing-3);
}

.file-info {
    flex-grow: 1;
    overflow: hidden;
    display: flex;
    align-items: baseline;
    gap: var(--spacing-2);
}

.file-item {
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    padding: var(--spacing-2) var(--spacing-3);
    transition: background-color var(--transition-normal);
}

.file-item:hover {
    background-color: var(--hover-color);
}

.file-item:last-child {
    border-bottom: none;
}

.file-name {
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: var(--font-size-xs);
    max-width: 70%;
}

.file-size {
    color: var(--text-muted);
    font-size: 0.65rem;
    opacity: 0.7;
}

.file-upload-dropdown {
    position: relative;
}

.files-actions {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-2);
    margin-top: var(--spacing-3);
    width: 100%;
}

.files-actions .action-btn {
    align-items: center;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    font-size: var(--font-size-sm);
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    transition: all var(--transition-normal);
    width: auto;
}

.files-actions .action-btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.files-list {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    list-style: none;
    margin: 0;
    max-height: 200px;
    overflow-y: auto;
    padding: 0;
}

.form-group {
    margin-bottom: 15px;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    outline: none;
}

.form-group input[type="checkbox"] {
    margin-right: 8px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select {
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 0.9rem;
    padding: 8px 12px;
    transition: border-color 0.2s;
    width: 100%;
}

.form-group label {
    color: var(--text-secondary);
    display: block;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.gradient-toggle {
    align-items: center;
    background: var(--surface-color);
    border-radius: 50%;
    bottom: 80px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    cursor: default;
    display: none;
    height: 40px;
    justify-content: center;
    position: fixed;
    right: -30px;
    transition: right 0.3s ease;
    width: 40px;
    z-index: 1000;
    user-select: none;
}

.gradient-toggle:hover {
    right: 0;
}

.dark-theme .gradient-toggle {
    display: flex;
    background: var(--primary-color);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.dark-theme .gradient-toggle:hover {
    background: var(--primary-light);
    box-shadow: 0 4px 20px rgba(74, 0, 224, 0.3);
    transform: translateY(-2px);
}

.image-container {
    margin: var(--spacing-3) 0;
}

.image-modal {
    align-items: center;
    background-color: rgba(45, 55, 72, 0.9);
    cursor: pointer;
    display: flex;
    height: 100%;
    justify-content: center;
    left: 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.input-actions {
    align-items: center;
    display: flex;
    gap: var(--spacing-2);
}

.loader-content {
    text-align: center;
}

.logo {
    height: 32px;
    width: auto;
}

.main-nav {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    color: var(--text-color);
    height: 64px;
    left: 0;
    position: fixed;
    right: 0;
    top: 0;
    z-index: 1000;
    /* 确保导航栏在最上层 */
}

.message {
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-3);
    overflow: hidden;
    position: relative;
    transition: all var(--transition-normal) ease;
}

.message-content {
    color: var(--text-color);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    overflow-wrap: break-word;
    padding: var(--spacing-4);
    word-break: break-word;
}

.message-content li {
    margin-bottom: var(--spacing-2);
    position: relative;
}

.message-content ol li {
    padding-left: var(--spacing-2);
}

.message-content ol,
.message-content ul {
    margin-bottom: var(--spacing-3);
    margin-left: var(--spacing-4);
}

.message-content p {
    margin-bottom: var(--spacing-3);
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-header {
    align-items: center;
    background-color: rgba(67, 97, 238, 0.05);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-3) var(--spacing-4);
}

.message-image {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    max-width: 100%;
    transition: all var(--transition-normal) ease;
}

.message-image:hover {
    box-shadow: var(--shadow-md);
    transform: scale(1.01);
}

.message-role {
    align-items: center;
    display: flex;
    gap: var(--spacing-2);
}

.message-role i {
    color: var(--primary-color);
    font-size: var(--font-size-md);
}

.message-role span {
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-left: var(--spacing-2);
}

.message-time {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

.message.assistant {
    border-left: none;
    max-width: 100%;
}

.message.assistant .message-header {
    background-color: rgba(67, 97, 238, 0.05);
}

.message.error-message {
    background-color: rgba(229, 62, 62, 0.05);
    border-left: 4px solid var(--error-color);
}

.message.error-message .message-header {
    background-color: rgba(229, 62, 62, 0.1);
}

.message.error-message .message-role i {
    color: var(--error-color);
}

.message.tool {
    border-left: none;
    max-width: 100%;
}

.message.tool .message-header {
    background-color: rgba(105, 48, 195, 0.05);
}

.message.tool .message-role i {
    color: var(--warning-color);
}

.message.visible {
    opacity: 1;
    transform: translateY(0);
}

.message:hover {
    box-shadow: var(--shadow-md);
}

.messages-column {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    position: relative;
    transition: flex 0.3s ease-in-out;
}

.messages-column .column-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-3);
}

.column-header {
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-2);
    padding: var(--spacing-3);
    position: sticky;
    top: 0;
    z-index: 2;
    background-color: var(--background-color);
}

.messages-column .message {
    animation: fadeInUp var(--transition-normal) forwards;
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    box-sizing: border-box;
    margin-bottom: var(--spacing-2);
    max-width: 100%;
    opacity: 0;
    overflow: visible;
    transform: translateY(20px);
    transition: all var(--transition-normal) ease;
    width: 100%;
}

.messages-column .message-content {
    overflow-wrap: break-word;
    padding: var(--spacing-3);
    word-break: break-word;
}

.messages-column .message-header {
    align-items: center;
    background-color: rgba(67, 97, 238, 0.05);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-3);
}

.messages-column pre {
    max-width: 100%;
    overflow-x: auto;
}

.messages-container-split {
    display: flex;
    flex: 1;
    flex-direction: row;
    gap: var(--spacing-3);
    height: calc(100% - 60px);
    overflow: hidden;
    position: relative;
}

.messages-column {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    position: relative;
    transition: flex 0.3s ease-in-out;
}

/* Let the left Manus message area automatically expand to fill the space */
.messages-column.agent-messages {
    flex: 1;
}

/* The right tool message area occupies a fixed proportion */
.messages-column.tool-messages {
    flex: 0 0 48%;
}

.modal-content {
    max-height: 90%;
    max-width: 90%;
    position: relative;
}

.modal-content img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-height: 85vh;
    max-width: 100%;
}

.nav-container {
    align-items: center;
    display: flex;
    flex-wrap: nowrap;
    height: 100%;
    justify-content: space-between;
    overflow: hidden;
    padding: 0 var(--spacing-3);
    width: 100%;
}

.nav-controls {
    align-items: center;
    display: flex;
    flex-shrink: 0;
    gap: var(--spacing-2);
    padding-right: var(--spacing-2);
}

.navbar-notification {
    align-items: center;
    animation: slideDown 0.3s forwards;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    display: flex;
    overflow: hidden;
    padding: 6px 12px;
    position: relative;
}

.navbar-notification .notification-content {
    font-size: 14px;
    font-weight: 500;
    z-index: 2;
}

.navbar-notification .notification-icon {
    font-size: 16px;
    margin-right: 10px;
    z-index: 2;
}

.navbar-notification-area {
    flex: 1;
    margin: 0 15px;
    max-width: 500px;
    overflow: hidden;
}

.navbar-notification.error {
    background-color: rgba(244, 67, 54, 0.2);
    border-left: 3px solid #f44336;
}

.navbar-notification.success {
    background-color: rgba(76, 175, 80, 0.2);
    border-left: 3px solid #4caf50;
}

.navbar-notification.warning {
    background-color: rgba(255, 152, 0, 0.2);
    border-left: 3px solid #ff9800;
}

.navbar-notification:before {
    animation: shimmer 2s infinite;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
    bottom: 0;
    content: '';
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 1;
}

.no-files {
    align-items: center;
    color: var(--text-muted);
    display: flex;
    font-style: italic;
    justify-content: center;
    padding: var(--spacing-4);
}

.notification {
    background-color: var(--bg-light);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    color: var(--text-color);
    display: flex;
    max-width: 350px;
    min-width: 280px;
    opacity: 0;
    padding: 16px;
    position: fixed;
    right: 20px;
    top: 20px;
    transform: translateX(120%);
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 9999;
}

.notification-actions {
    background-color: rgba(0, 0, 0, 0.15);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    justify-content: flex-end;
    padding: 12px 20px;
}

.notification-actions button {
    background: rgba(255, 255, 255, 0.25);
    border: none;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
    color: white;
    cursor: pointer;
    font-weight: 500;
    margin-left: 10px;
    overflow: hidden;
    padding: 8px 15px;
    position: relative;
    transition: all 0.2s;
}

.notification-actions button.primary-btn {
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
}

.notification-actions button:active {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    transform: translateY(1px);
}

.notification-actions button:hover {
    background: rgba(255, 255, 255, 0.45);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

.notification-close {
    align-items: center;
    cursor: pointer;
    display: flex;
    margin-left: 12px;
    opacity: 0.7;
}

.notification-close:hover {
    opacity: 1;
}

.notification-content {
    flex: 1;
    font-size: 14px;
    line-height: 1.5;
}

.notification-hiding {
    opacity: 0;
    transform: translateX(120%);
}

.notification-icon {
    align-items: center;
    display: none;
    font-size: 20px;
    margin-right: 12px;
}

.notification-visible {
    opacity: 1;
    transform: translateX(0);
}

.notification.error .notification-icon {
    color: #f44336;
}

.notification.info .notification-icon {
    color: #2196f3;
}

.notification.success .notification-icon {
    color: #4caf50;
}

.notification.warning .notification-icon {
    color: #ff9800;
}

.option-icon {
    color: var(--primary-color);
    font-size: 2.2rem;
    margin-bottom: var(--spacing-3);
    transition: transform 0.3s ease;
}

.option-text h4 {
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-1) 0;
}

.option-text p {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    line-height: 1.4;
    margin: 0;
}

.primary-btn {
    background-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
    color: white;
    min-width: 120px;
    white-space: nowrap;
}

.primary-btn,
.secondary-btn {
    min-width: 100px;
    padding: var(--spacing-2) var(--spacing-3);
}

.primary-btn,
.secondary-btn {
    align-items: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    font-size: var(--font-size-sm);
    font-weight: 500;
    gap: var(--spacing-2);
    justify-content: center;
    padding: var(--spacing-2) var(--spacing-4);
    transition: all var(--transition-normal) ease;
}

.primary-btn:active,
.secondary-btn:active {
    box-shadow: var(--shadow-sm);
    transform: translateY(0);
}

.primary-btn:disabled,
.secondary-btn:disabled {
    box-shadow: none;
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
}

.primary-btn:hover,
.secondary-btn:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.processing .status-dot {
    animation: blink 1.5s infinite alternate;
    background-color: var(--warning-color);
}

.processing-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 20px 0;
}

.thinking-container {
    display: flex;
    align-items: center;
    background-color: #6c639a38;
    border-radius: 6px;
    padding: 8px 12px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.thinking-container p {
    margin: 0 0 0 8px;
    color: var(--text-color);
    font-size: var(--font-size-sm);
}

.processing-indicator .manus-eyes-animation {
    width: 30px;
    height: 20px;
    margin: 0;
    border-radius: 4px;
    padding: 0;
    background-color: transparent;
}

.dark-theme .thinking-container {
    background-color: rgba(45, 27, 66, 0.2);
}

.processing-indicator .manus-eye {
    height: 14px;
    width: 14px;
}

.processing-indicator .manus-eye:after {
    height: 7px;
    width: 7px;
}

.processing-indicator p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-2);
}

/* More aesthetically pleasing thinking state styles */
.processing-indicator {
    display: flex;
    justify-content: center;
    margin: 15px 0;
}

.thinking-container {
    display: inline-flex;
    align-items: center;
    background-color: #30294a;
    padding: 7px 16px;
    border-radius: 18px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(162, 155, 204, 0.2);
}

.thinking-container:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.thinking-container .manus-eyes-animation {
    display: flex;
    align-items: center;
    margin-right: 12px;
    background-color: transparent;
}

.thinking-container .manus-eye {
    height: 13px;
    width: 13px;
    margin: 0 2px;
    background-color: #fff;
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.5);
}

.thinking-container .manus-eye:after {
    height: 7px;
    width: 7px;
    background-color: #000;
    animation: eye-move 3s infinite ease-in-out;
}

.thinking-text {
    color: #e0ddf1;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    animation: pulse-text 1.5s infinite ease-in-out;
}

@keyframes pulse-text {

    0%,
    100% {
        opacity: 0.7;
        transform: scale(0.98);
    }

    50% {
        opacity: 1;
        transform: scale(1);
        text-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
    }
}

.dark-theme .thinking-container {
    background-color: transparent;
    border: 1px solid rgba(162, 155, 204, 0.15);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}


.refresh-btn {
    align-items: center;
    background: none;
    border: none;
    border-radius: var(--border-radius);
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    height: 28px;
    justify-content: center;
    padding: var(--spacing-1);
    transition: all var(--transition-fast);
    width: 28px;
}

.refresh-btn:hover {
    background-color: var(--border-color);
    color: var(--primary-color);
    transform: rotate(180deg);
}

.reset-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.reset-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.save-btn {
    background-color: var(--primary-color);
    border: none;
    color: white;
}

.save-btn,
.reset-btn {
    align-items: center;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    font-size: 0.9rem;
    gap: 8px;
    padding: 8px 15px;
}

.save-btn:hover {
    background-color: var(--primary-dark);
}

.screenshot-note {
    align-items: center;
    color: var(--text-secondary);
    display: flex;
    font-size: var(--font-size-xs);
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-2);
}

.secondary-btn {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.send-btn {
    align-items: center;
    background-color: var(--primary-color);
    border: none;
    border-radius: var(--border-radius-full);
    box-shadow: var(--shadow-sm);
    color: white;
    cursor: pointer;
    display: flex;
    height: 36px;
    justify-content: center;
    transition: all var(--transition-normal) ease;
    width: 36px;
}

.send-btn:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.session-id-display {
    align-items: center;
    background-color: var(--background-color);
    border-radius: var(--border-radius-full);
    color: var(--text-secondary);
    display: flex;
    font-size: var(--font-size-sm);
    gap: var(--spacing-2);
    max-width: 500px;
    overflow: hidden;
    padding: var(--spacing-1) var(--spacing-2);
    text-overflow: ellipsis;
}

.session-id-display span {
    overflow: hidden;
    text-overflow: ellipsis;
}

.spinner {
    display: flex;
    gap: var(--spacing-2);
    justify-content: center;
    margin-bottom: var(--spacing-4);
}

.spinner .bounce1 {
    animation-delay: -0.32s;
}

.spinner .bounce2 {
    animation-delay: -0.16s;
}

.spinner div {
    animation: bounce 1.4s infinite ease-in-out both;
    background-color: var(--primary-color);
    border-radius: 50%;
    height: 12px;
    width: 12px;
}

.status-container {
    align-items: center;
    background-color: var(--background-color);
    border-radius: var(--border-radius-full);
    display: flex;
    font-size: var(--font-size-sm);
    gap: var(--spacing-2);
    padding: var(--spacing-1) var(--spacing-2);
}

.status-dot {
    border-radius: var(--border-radius-full);
    height: 8px;
    width: 8px;
}

.status-text {
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.system-emoji {
    animation: bounce 2s infinite;
    display: inline-block;
    margin: 0 2px;
    transform-origin: center;
    vertical-align: middle;
}

.system-highlight {
    animation: glow 2s ease-in-out infinite alternate;
    color: #0066cc;
    display: inline-block;
    font-weight: 700;
    position: relative;
}

.system-info-text {
    animation: fadeIn 0.8s ease-out forwards;
    color: #333333;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.4;
    margin: 0;
    max-width: 95%;
    overflow: hidden;
    position: relative;
    transform-origin: left center;
}

.system-info-text::after {
    animation: infoPulse 4s infinite;
    background: linear-gradient(to right, transparent, var(--primary-color), transparent);
    bottom: 0;
    content: '';
    height: 1px;
    left: 0;
    position: absolute;
    width: 100%;
}

.tab-btn {
    background-color: transparent;
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    flex: 1;
    font-size: var(--font-size-sm);
    padding: var(--spacing-2) 0;
    text-align: center;
    transition: all var(--transition-fast) ease;
}

.tab-btn.active {
    background-color: var(--surface-color);
    box-shadow: var(--shadow-sm);
    color: var(--primary-color);
    font-weight: 500;
}

.task-completion-card {
    align-items: center;
    display: flex;
    flex-direction: column;
    padding: 10px 15px;
}

.task-completion-card .task-message {
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.task-content {
    background-color: rgba(67, 97, 238, 0.05);
    border-left: 2px solid var(--primary-color);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    flex: 1;
    font-size: var(--font-size-sm);
    overflow: hidden;
    padding: var(--spacing-1) var(--spacing-2);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.task-label {
    align-items: center;
    color: var(--primary-color);
    display: flex;
    font-size: var(--font-size-sm);
    font-weight: 600;
    gap: var(--spacing-2);
    padding-right: var(--spacing-3);
    white-space: nowrap;
}

.task-message {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
}

.theme-toggle,
.github-nav-link {
    align-items: center;
    background-color: var(--background-color);
    border: none;
    border-radius: var(--border-radius-full);
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    height: 24px;
    justify-content: center;
    transition: all var(--transition-normal) ease;
    width: 24px;
}

.theme-toggle:hover,
.github-nav-link:hover {
    background-color: var(--border-color);
    transform: translateY(-2px);
}

.tool-args {
    background-color: rgba(67, 97, 238, 0.02);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin: 0;
    overflow-y: auto;
    padding: var(--spacing-3);
}

.tool-buttons {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--spacing-3);
}

.tool-call {
    background-color: rgba(67, 97, 238, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-3);
    overflow: hidden;
}

.tool-call-header {
    align-items: center;
    background-color: rgba(67, 97, 238, 0.1);
    color: var(--primary-color);
    display: flex;
    font-size: var(--font-size-sm);
    font-weight: 600;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
}

.tool-calls {
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-4);
}

.tool-description {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    line-height: 1.4;
}

.tool-header {
    align-items: center;
    display: flex;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-3);
    position: relative;
}

.tool-header h3 {
    color: var(--text-color);
    flex-grow: 1;
    font-size: var(--font-size-md);
    font-weight: 600;
}

.tool-header i {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
}

.tool-icon {
    align-items: center;
    background-color: rgba(67, 97, 238, 0.1);
    border-radius: var(--border-radius);
    color: var(--primary-color);
    display: flex;
    height: 24px;
    justify-content: center;
    width: 24px;
}

.tool-info {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: var(--spacing-1);
}

.tool-item {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-2);
    padding: var(--spacing-3);
    transition: all var(--transition-normal) ease;
}

.tool-item:hover {
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.tool-messages .column-header i {
    color: var(--secondary-color);
}

.tool-name {
    color: var(--text-color);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* ✅ ENHANCED: Tool section height management */
.tool-section {
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-4);
    /* ✅ Allow sections to flex properly */
    flex-shrink: 0;
}

/* ✅ SPECIAL: File browser section gets more flexible height */
.tool-section:has(.workspace-files) {
    flex: 1;
    min-height: 300px;
    max-height: 500px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* ✅ Alternative selector for browsers that don't support :has() */
.tool-section .workspace-files {
    flex: 1;
    overflow: hidden;
}

.toolbox {
    width: 300px;
    min-width: 300px;
    background-color: var(--background-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
    transition: transform 0.3s ease, margin-left 0.3s ease, min-width 0.3s ease;
}

.tools-container {
    display: flex;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
}

.tools-list {
    list-style: none;
}

.tools-panel {
    max-height: 100%;
    overflow-y: auto;
}

.tools-tab-header {
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    display: flex;
    margin-bottom: var(--spacing-4);
    padding: var(--spacing-1);
}

.upload-modal {
    align-items: center;
    animation: fadeIn 0.2s ease;
    backdrop-filter: blur(3px);
    background-color: rgba(0, 0, 0, 0.65);
    display: flex;
    height: 100%;
    justify-content: center;
    left: 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.upload-modal-content {
    animation: scaleIn 0.3s ease;
    background-color: var(--surface-color);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    max-width: 90%;
    overflow: hidden;
    transform: translateY(0);
    transition: transform 0.3s ease;
    width: 420px;
}

.upload-modal-header .close-btn {
    align-items: center;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: var(--border-radius-full);
    color: white;
    cursor: pointer;
    display: flex;
    font-size: var(--font-size-md);
    height: 24px;
    justify-content: center;
    transition: all 0.2s ease;
    width: 24px;
}

.upload-modal-header .close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.upload-modal-header h3 {
    align-items: center;
    color: white;
    display: flex;
    font-size: 1rem;
    font-weight: 600;
    gap: var(--spacing-2);
    margin: 0;
}

.upload-option {
    align-items: center;
    cursor: pointer;
    display: flex;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    transition: background-color var(--transition-fast);
}

.upload-option-card {
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: var(--spacing-4) var(--spacing-3);
    position: relative;
    text-align: center;
    transition: all 0.25s ease;
}

.upload-option-card::before {
    background: linear-gradient(90deg, var(--primary-color), #4466ee);
    content: '';
    height: 5px;
    left: 0;
    opacity: 0;
    position: absolute;
    top: 0;
    transition: opacity 0.25s ease;
    width: 100%;
}

.upload-option-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transform: translateY(-5px);
}

.upload-option-card:hover .option-icon {
    transform: scale(1.1);
}

.upload-option-card:hover::before {
    opacity: 1;
}

.upload-option:first-child {
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
}

.upload-option:hover {
    background-color: var(--hover-color);
}

.upload-option:last-child {
    border-bottom-left-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
}

.upload-option:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.upload-options {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    left: 0;
    margin-top: 5px;
    min-width: 150px;
    position: absolute;
    top: 100%;
    z-index: 100;
}

.upload-options-grid {
    display: grid;
    gap: var(--spacing-3);
    grid-template-columns: 1fr 1fr;
    padding: var(--spacing-4);
}

.version-badge {
    background-color: var(--primary-color);
    border-radius: var(--border-radius-full);
    color: white;
    font-size: 0.65rem;
    font-weight: 500;
    line-height: 1;
    padding: var(--spacing-1) var(--spacing-2);
    position: absolute;
    right: -40px;
    top: -5px;
    transform: scale(0.85);
}

.workspace {
    display: flex;
    height: calc(100vh - 64px);
    margin-top: 64px;
    overflow: hidden;
    width: 100%;
    /* 确保工作区占据全宽 */
}

#page-loader {
    align-items: center;
    background-color: var(--surface-color);
    display: flex;
    height: 100%;
    justify-content: center;
    left: 0;
    position: fixed;
    top: 0;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    width: 100%;
    z-index: 1000;
}

::-webkit-scrollbar {
    height: 8px;
    width: 8px;
}

::-webkit-scrollbar-thumb {
    background: rgba(67, 97, 238, 0.3);
    border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(67, 97, 238, 0.5);
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

code {
    color: var(--text-color);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
}

pre {
    background-color: #f8f9fc;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin: var(--spacing-3) 0;
    overflow-x: auto;
    padding: var(--spacing-4);
}




.center-notification {
    animation: slideDown 0.4s ease-out;
    backdrop-filter: blur(10px);
    background-color: #4caf50;
    border: none;
    border-radius: 8px;
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3), 0 2px 8px rgba(0, 0, 0, 0.15);
    color: white;
    left: 50%;
    max-width: 500px;
    min-width: 350px;
    overflow: hidden;
    position: fixed;
    top: 70px;
    transform: translateX(-50%);
    z-index: 9999;
}




.center-notification.success .eye:after {
    background-color: #43a047;
}




.copyright-section {
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
    margin-top: auto;
    padding: 10px;
    text-align: center;
}




.dark-theme {
    --active-gradient: linear-gradient(135deg, #3700b3, #dd2c4f);
    --background-color: #1a202c;
    --border-color: #4a5568;
    --border-gradient: linear-gradient(135deg, #4a00e0, #8e2de2, #e94057);
    --button-gradient: linear-gradient(135deg, #4a00e0, #e94057);
    --card-color: #2d3748;
    --hover-gradient: linear-gradient(135deg, #5d1aff, #ff4d6d);
    --icon-gradient: linear-gradient(135deg, #4a00e0, #e94057);
    --primary-gradient: linear-gradient(135deg, #4a00e0, #8e2de2, #e94057);
    --sidebar-bg: #1f2937;
    --surface-color: #2d3748;
    --text-color: #f7fafc;
    --text-gradient: linear-gradient(135deg, #c1b3ff, #ffb3be);
    --text-secondary: #a0aec0;
}




.dark-theme .primary-btn,
.dark-theme .tab-btn.active,
.dark-theme .theme-toggle,
.dark-theme .github-nav-link,
.dark-theme .config-toggle {
    animation: gradientShift 5s ease infinite;
    background-size: 200% 200%;
}



.dark-theme .tool-header h3,
.dark-theme .copyright-content p,
.dark-theme .system-highlight,
.dark-theme .message-role i,
.dark-theme .tool-header i,
.dark-theme .task-label i {
    -webkit-text-fill-color: transparent;
}




/* Enhanced workspace files container with proper height management */
.workspace-files {
    display: flex;
    flex-direction: column;
    height: 100%;
    margin-top: var(--spacing-3);
    /* ✅ Add explicit height constraints */
    min-height: 200px;
    max-height: 400px;
    overflow: hidden;
}



.center-notification .notification-message {
    color: white;
    font-size: 15px;
    font-weight: 500;
    line-height: 1.5;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
}



.dark-theme .current-tool-display {
    animation: background-pulse 3s ease infinite alternate;
    background: linear-gradient(90deg, rgba(74, 0, 224, 0.1), rgba(233, 64, 87, 0.1));
    border-bottom: 1px solid transparent;
    border-image: var(--border-gradient);
    border-image-slice: 1;
    border-image-width: 0 0 1px 0;
}



.dark-theme .current-tool-display i {
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: tool-icon-spin 2s linear infinite, gradient-shift 3s ease infinite;
    background: var(--icon-gradient);
    background-clip: text;
    color: transparent;
}



.dark-theme .current-tool-display span {
    color: #ffffff;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}



.dark-theme .system-highlight {
    -webkit-background-clip: text;
    animation: shimmerText 5s linear infinite;
    background: var(--text-gradient);
    background-clip: text;
    background-size: 200% auto;
    color: transparent;
}



.dark-theme .task-content {
    background-color: transparent;
    border-left: none;
}



.loader-content p {
    color: var(--text-color);
    font-size: var(--font-size-md);
}



.messages-column {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex: 1;
    flex-direction: column;
    max-height: 100%;
    overflow: hidden;
    min-height: 0;
}



.processing-indicator p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}



.upload-modal-header {
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #4466ee 100%);
    border-bottom: 1px solid var(--border-color);
    color: white;
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-3);
}

@keyframes typing {

    0%,
    60%,
    100% {
        transform: translateY(0);
    }

    30% {
        transform: translateY(-10px);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: scale(0);
    }

    40% {
        transform: scale(1);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@media (max-width: 768px) {
    .workspace {
        flex-direction: column;
    }

    .toolbox {
        width: 100%;
        height: auto;
        max-height: 35vh;
    }

    .chat-section {
        height: auto;
        flex: 1;
        min-height: 400px;
    }

    .messages-container-split {
        flex-direction: column;
    }

    .messages-column {
        height: 50%;
        min-height: 300px;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

@keyframes pulseIcon {
    0% {
        opacity: 0.8;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.1);
    }

    100% {
        opacity: 0.8;
        transform: scale(1);
    }
}

@keyframes slideDown {
    0% {
        opacity: 0;
        transform: translate(-50%, -20px);
    }

    100% {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes eye-move {

    0%,
    100% {
        transform: translate(-50%, -50%);
    }

    25% {
        transform: translate(-80%, -50%);
    }

    50% {
        transform: translate(-50%, -80%);
    }

    75% {
        transform: translate(-20%, -50%);
    }
}

@keyframes infoPulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.8;
    }
}

@keyframes glow {
    0% {
        text-shadow: 0 0 0px rgba(0, 102, 204, 0.3);
    }

    100% {
        text-shadow: 0 0 8px rgba(0, 102, 204, 0.7);
    }
}

@keyframes glowDark {
    0% {
        text-shadow: 0 0 0px rgba(0, 255, 204, 0.3);
    }

    100% {
        text-shadow: 0 0 8px rgba(0, 255, 204, 0.7);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-3px);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes shimmerText {
    0% {
        background-position: -100% 50%;
    }

    100% {
        background-position: 200% 50%;
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(74, 0, 224, 0.6);
    }

    70% {
        box-shadow: 0 0 0 6px rgba(74, 0, 224, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(74, 0, 224, 0);
    }
}

@keyframes tool-icon-spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes tool-icon-pulse {
    0% {
        opacity: 0.7;
        transform: scale(0.95) rotate(0deg);
    }

    100% {
        opacity: 1;
        transform: scale(1.05) rotate(180deg);
    }
}

@keyframes background-pulse {
    0% {
        background: linear-gradient(90deg, rgba(74, 0, 224, 0.1), rgba(233, 64, 87, 0.1));
    }

    100% {
        background: linear-gradient(90deg, rgba(74, 0, 224, 0.2), rgba(233, 64, 87, 0.2));
    }
}

@keyframes gradient-shift {
    0% {
        filter: hue-rotate(0deg) brightness(1);
    }

    50% {
        filter: hue-rotate(30deg) brightness(1.2);
    }

    100% {
        filter: hue-rotate(0deg) brightness(1);
    }
}

/* Manus Eye Animation Styles */
.manus-eyes-animation {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 20px;
    margin-right: 0;
    border-radius: 4px;
}

.manus-eye {
    background-color: #ffffff;
    border-radius: 50%;
    box-shadow: 0 0 3px rgba(255, 255, 255, 0.5);
    height: 10px;
    width: 10px;
    margin: 0 2px;
    position: relative;
    overflow: hidden;
}

.manus-eye:after {
    animation: eye-move 4s infinite ease-in-out;
    background-color: #000000;
    border-radius: 50%;
    content: '';
    height: 5px;
    width: 5px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.dark-theme .manus-eye {
    background-color: #ffffff;
}

.dark-theme .manus-eye:after {
    background-color: #000000;
}

.message-role .manus-eyes-animation {
    display: inline-flex;
}

.message.tool-arguments {
    border-left: 3px solid #8B5CF6;
    background-color: rgba(139, 92, 246, 0.05);
}

.message.tool-arguments .message-header {
    background-color: rgba(139, 92, 246, 0.1);
}

.message.tool-arguments pre {
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: 4px;
    padding: 10px;
    margin: 5px 0;
}

/* Waiting for user input state styles */
.waiting-for-input {
    border-left: none !important;
    border-color: var(--border-color) !important;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.3) !important;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(74, 144, 226, 0.7);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(74, 144, 226, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(74, 144, 226, 0);
    }
}

.waiting-for-input-indicator {
    position: relative;
    margin-bottom: 10px;
    padding: 8px 12px;
    background-color: rgba(74, 144, 226, 0.1);
    border-radius: 8px;
    font-size: 14px;
    color: #4a90e2;
    transition: all 0.3s ease;
}

.waiting-for-input-indicator .indicator-content {
    display: flex;
    align-items: center;
    gap: 8px;
}

.dark-theme .waiting-for-input-indicator {
    background-color: rgba(74, 144, 226, 0.2);
    color: #67a9ff;
}

/* Send button animation */
.fa-shake {
    animation: shake 1.5s ease infinite;
}

@keyframes shake {
    0% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(-5deg);
    }

    50% {
        transform: rotate(0deg);
    }

    75% {
        transform: rotate(5deg);
    }

    100% {
        transform: rotate(0deg);
    }
}

/* 为MathJax公式添加样式适配 */
.MathJax {
    font-size: 110% !important;
}

.dark-theme .MathJax {
    color: #f7fafc !important;
}

.message-content .MathJax-Display {
    margin: 1em 0;
    overflow-x: auto;
    max-width: 100%;
}

/* 确保行内公式与文本对齐 */
.mjx-chtml.MJXc-display {
    margin: 1em 0 !important;
    padding: 0.5em 0;
    overflow-x: auto;
}

.mjx-math {
    padding: 1px 0;
}

.dark-theme .mjx-math {
    color: #f7fafc !important;
}

/* SVG输出适配 */
.dark-theme svg.mjx-svg-href {
    fill: #f7fafc;
}

.message-content .MathJax_SVG_Display {
    margin: 1em 0;
    overflow-x: auto;
    max-width: 100%;
}

.message-content .MathJax_SVG {
    display: inline-block;
    max-width: 100%;
}

/* 侧边栏切换按钮样式 */
.toggle-sidebar-btn {
    background: transparent;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    margin: 10px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.toggle-sidebar-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

.dark-theme .toggle-sidebar-btn {
    color: var(--text-color);
}

.dark-theme .toggle-sidebar-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* 保持导航栏按钮一致的样式 */
.nav-button {
    background: transparent;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    margin-right: 5px;
}

.nav-button:hover {
    background: rgba(255, 255, 255, 0.1);
}

.dark-theme .nav-button {
    color: var(--text-color);
}

.dark-theme .nav-button:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* 侧边栏开启按钮样式 */
.show-sidebar-btn {
    position: fixed;
    top: 75px;
    /* 定位在导航栏下方 */
    left: 10px;
    z-index: 90;
    background: #202123;
    border: none;
    color: #fff;
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.show-sidebar-btn:hover {
    background: #2b2c30;
}

/* 侧边栏隐藏样式 */
.toolbox.hidden {
    transform: translateX(-100%);
}

/* 确保聊天区域在侧边栏关闭时能铺满 */
.toolbox.hidden+.chat-section {
    width: 100%;
    max-width: 100%;
}

/* 侧边栏隐藏时的过渡效果 */
.toolbox {
    transition: transform 0.3s ease;
    width: 300px;
    min-width: 300px;
}

.toolbox.hidden {
    transform: translateX(-300px);
    margin-left: -300px;
    /* 确保侧边栏完全隐藏并释放空间 */
    min-width: 0;
}

/* 当侧边栏隐藏时聊天区域占据全部宽度 */
.toolbox.hidden~.chat-section {
    width: 100%;
}

/* 🆕 文件夹选择器样式 */
.folder-selector {
    margin-bottom: var(--spacing-3);
    padding: var(--spacing-2);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.folder-selector label {
    display: block;
    margin-bottom: var(--spacing-1);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-color);
}

.folder-select-container {
    display: flex;
    gap: var(--spacing-1);
    align-items: center;
}

.parent-dir-btn {
    padding: var(--spacing-2);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--surface-color);
    color: var(--text-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
}

.parent-dir-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.folder-select {
    flex: 1;
    padding: var(--spacing-2);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--surface-color);
    color: var(--text-color);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

.custom-path-input {
    display: flex;
    gap: var(--spacing-1);
    margin-top: var(--spacing-2);
}

.custom-path-field {
    flex: 1;
    padding: var(--spacing-2);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--surface-color);
    color: var(--text-color);
    font-size: var(--font-size-sm);
}

.load-path-btn {
    padding: var(--spacing-2);
    border: none;
    border-radius: var(--border-radius-sm);
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.load-path-btn:hover {
    background: var(--primary-dark);
}

/* ✅ ENHANCED: Folder navigation components spacing */
.current-folder-display {
    background: rgba(74, 144, 226, 0.08);
    border-radius: 8px;
    padding: 8px 12px;
    margin: 8px 0;
    border-left: 4px solid #4a90e2;
    /* ✅ Prevent this from growing */
    flex-shrink: 0;
}

.folder-navigation-row {
    display: flex;
    align-items: center;
    gap: 10px; /* Reduced from 12px */
    flex-wrap: wrap;
}

.up-level-btn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    border-radius: 5px; /* Reduced from 6px */
    padding: 5px 10px; /* Reduced from 6px 12px */
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px; /* Reduced from 5px */
    font-size: 0.75em; /* Reduced from 0.85em */
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    white-space: nowrap;
    min-width: 80px; /* Reduced from 100px */
}

.up-level-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.up-level-btn i {
    font-size: 0.9em; /* Make icon slightly smaller relative to text */
}

.folder-location {
    display: flex;
    align-items: center;
    gap: 6px; /* Reduced from 8px */
    font-weight: 500;
    flex: 1;
    font-size: 0.8em; /* Reduced font size */
}

.folder-location i {
    font-size: 0.9em; /* Smaller icon */
    opacity: 0.7;
}

.current-path {
    font-weight: 600;
    color: #2563eb;
    font-size: 0.85em; /* Smaller path text */
}

.file-count {
    font-size: 0.75em; /* Smaller count text */
    opacity: 0.7;
    font-weight: 400;
    margin-left: 4px;
}

.folder-breadcrumbs {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 6px;
    padding: 6px 8px;
    margin: 6px 0;
    border: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 0.8em;
    /* ✅ Prevent this from growing */
    flex-shrink: 0;
}

/* ✅ ENHANCED: Scrollbar styling for files list */
.files-list::-webkit-scrollbar {
    width: 6px;
}

.files-list::-webkit-scrollbar-track {
    background: var(--background-color);
    border-radius: 3px;
}

.files-list::-webkit-scrollbar-thumb {
    background: rgba(67, 97, 238, 0.3);
    border-radius: 3px;
    transition: background 0.2s ease;
}

.files-list::-webkit-scrollbar-thumb:hover {
    background: rgba(67, 97, 238, 0.5);
}

/* ✅ Dark theme scrollbar adjustments */
.dark-theme .files-list::-webkit-scrollbar-thumb {
    background: rgba(74, 144, 226, 0.4);
}

.dark-theme .files-list::-webkit-scrollbar-thumb:hover {
    background: rgba(74, 144, 226, 0.6);
}

/* ✅ RESPONSIVE: Mobile adjustments */
@media (max-width: 768px) {
    .workspace-files {
        min-height: 150px;
        max-height: 300px;
    }
    
    .files-list {
        min-height: 120px;
        max-height: 250px;
    }
    
    .file-item {
        padding: 6px 10px;
        min-height: 45px;
    }
    
    .loading-files,
    .no-files {
        min-height: 100px;
    }
}

/* ✅ ENHANCED: Toolbox height management */
.toolbox {
    width: 300px;
    min-width: 300px;
    background-color: var(--background-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
    transition: transform 0.3s ease, margin-left 0.3s ease, min-width 0.3s ease;
    /* ✅ Ensure proper height distribution */
    max-height: 100vh;
}

/* ✅ ENHANCED: Better section height distribution */
.tool-section.tools-container {
    flex: 1;
    min-height: 200px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.tools-panel {
    flex: 1;
    overflow-y: auto;
    max-height: 100%;
}

/* ✅ NEW: Compact mode for smaller screens */
@media (max-height: 700px) {
    .workspace-files {
        min-height: 120px;
        max-height: 250px;
    }
    
    .files-list {
        min-height: 100px;
        max-height: 200px;
    }
    
    .current-folder-display {
        padding: 6px 10px;
    }
    
    .folder-breadcrumbs {
        padding: 4px 6px;
    }
}

/* ✅ NEW: File count indicator styling */
.file-count {
    font-size: 0.75em;
    opacity: 0.7;
    font-weight: 400;
    margin-left: 4px;
    /* ✅ Add visual enhancement */
    background: rgba(74, 144, 226, 0.1);
    padding: 2px 6px;
    border-radius: 10px;
    color: #4a90e2;
}

.dark-theme .file-count {
    background: rgba(74, 144, 226, 0.2);
    color: #6bb6ff;
}

.breadcrumb-navigation {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 3px; /* Reduced from 5px */
}

.breadcrumb-parent-link {
    display: flex;
    align-items: center;
    gap: 3px; /* Reduced from 4px */
    padding: 3px 6px; /* Reduced from 4px 8px */
    border-radius: 3px; /* Reduced from 4px */
    cursor: pointer;
    transition: all 0.2s ease;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    text-decoration: none;
    font-size: 0.8em; /* Smaller font */
    font-weight: 500;
}

.breadcrumb-parent-link:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.breadcrumb-link {
    display: flex;
    align-items: center;
    gap: 3px; /* Reduced from 4px */
    padding: 3px 6px; /* Reduced from 4px 8px */
    border-radius: 3px; /* Reduced from 4px */
    cursor: pointer;
    transition: all 0.2s ease;
    background: rgba(74, 144, 226, 0.1);
    color: #4a90e2;
    text-decoration: none;
    font-size: 0.8em; /* Smaller font */
}

.breadcrumb-link:hover {
    background: rgba(74, 144, 226, 0.2);
    transform: translateY(-1px);
}

.breadcrumb-current {
    display: flex;
    align-items: center;
    gap: 3px; /* Reduced from 4px */
    padding: 3px 6px; /* Reduced from 4px 8px */
    border-radius: 3px; /* Reduced from 4px */
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    font-weight: 500;
    font-size: 0.8em; /* Smaller font */
}

.breadcrumb-separator {
    color: rgba(0, 0, 0, 0.3);
    font-size: 0.6em; /* Reduced from 0.7em */
    margin: 0 1px; /* Reduced from 0 2px */
}

.dark-theme .breadcrumb-separator {
    color: rgba(255, 255, 255, 0.3);
}

/* ✅ NEW: Make files list scrollable with fixed height */
.files-list {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    list-style: none;
    margin: 0;
    padding: 0;
    /* ✅ ENHANCED: Better height management */
    height: 100%;
    min-height: 150px;
    max-height: 350px;
    overflow-y: auto;
    flex: 1;
    
    /* ✅ Add smooth scrolling */
    scroll-behavior: smooth;
    
    /* ✅ Enhanced scrollbar styling */
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--background-color);
}

/* ✅ NEW: Loading and empty states with proper height */
.loading-files,
.no-files {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    color: var(--text-secondary);
    font-style: italic;
    /* ✅ Ensure consistent height */
    min-height: 120px;
    height: 100%;
}

.loading-files i {
    font-size: 2rem;
    margin-bottom: var(--spacing-2);
    color: var(--primary-color);
    animation: spin 1s linear infinite;
}

.no-files i {
    font-size: 2rem;
    margin-bottom: var(--spacing-2);
    opacity: 0.5;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}


/* ✅ ENHANCED: Better file item spacing within scrollable container */
.file-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 2px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid transparent;
    /* ✅ Prevent item shrinking */
    flex-shrink: 0;
    min-height: 50px;
}

.file-item:hover {
    background: rgba(74, 144, 226, 0.1);
    border-color: rgba(74, 144, 226, 0.2);
    transform: translateX(2px);
}

.file-item:last-child {
    margin-bottom: 0;
}

.file-icon {
    margin-right: 10px;
    font-size: 1.2em;
    width: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-info {
    flex: 1;
    min-width: 0; /* Allow shrinking */
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.file-name {
    font-weight: 500;
    font-size: 0.9em;
    color: #333;
    
    /* ✅ ENHANCED: Truncate long file names but show full name on hover */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
    
    /* Add tooltip styles */
    position: relative;
    cursor: help;
}

.dark-theme .file-name {
    color: #e5e5e5;
}

/* ✅ NEW: Tooltip for full file names */
.file-name[title]:hover::after {
    content: attr(title);
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.8em;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    animation: fadeInTooltip 0.2s ease-in-out;
    max-width: 300px;
    word-wrap: break-word;
    white-space: normal;
}

.dark-theme .file-name[title]:hover::after {
    background: rgba(255, 255, 255, 0.95);
    color: #333;
}

@keyframes fadeInTooltip {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.file-details {
    font-size: 0.75em; /* Smaller details */
    color: #666;
    display: flex;
    gap: 8px;
    align-items: center;
}

.dark-theme .file-details {
    color: #999;
}

.file-size {
    font-size: 0.7em; /* Even smaller file size */
    opacity: 0.8;
}

.file-modified {
    font-size: 0.7em; /* Even smaller modification date */
    opacity: 0.7;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .folder-navigation-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
    
    .up-level-btn {
        align-self: flex-start;
        font-size: 0.7em; /* Even smaller on mobile */
        padding: 4px 8px;
    }
    
    .folder-location {
        font-size: 0.75em; /* Smaller on mobile */
    }
    
    .current-path {
        font-size: 0.8em;
    }
    
    .file-count {
        font-size: 0.7em;
    }
    
    .breadcrumb-navigation {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .breadcrumb-separator {
        transform: rotate(90deg);
        margin: 1px 0;
    }
    
    /* Mobile file list adjustments */
    .file-name {
        font-size: 0.85em;
    }
    
    .file-details {
        font-size: 0.7em;
    }
}

/* Text viewer modal styles */
.text-viewer-modal {
    max-width: 90vw;
    max-height: 80vh;
    background: var(--surface-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.text-viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: var(--card-color);
    border-bottom: 1px solid var(--border-color);
}

.text-viewer-header h3 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.1em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.text-viewer-actions {
    display: flex;
    gap: 10px;
}

.copy-btn {
    background: #4a90e2;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 6px 12px;
    cursor: pointer;
    font-size: 0.85em;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: background 0.2s ease;
}

.copy-btn:hover {
    background: #357abd;
}

.text-viewer-content {
    padding: 20px;
    max-height: 60vh;
    overflow-y: auto;
    background: var(--background-color);
}

.text-viewer-content pre {
    margin: 0;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.85em;
    line-height: 1.4;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--text-color);
}

.text-viewer-content code {
    color: var(--text-color);
    background: none;
    padding: 0;
}

/* Dark theme adjustments */
.dark-theme .text-viewer-modal {
    background: #2d3748;
    border: 1px solid #4a5568;
}

.dark-theme .text-viewer-header {
    background: #1a202c;
    border-bottom-color: #4a5568;
}

.dark-theme .text-viewer-content {
    background: #1a202c;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .text-viewer-modal {
        max-width: 95vw;
        max-height: 90vh;
    }
    
    .text-viewer-header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .text-viewer-content {
        padding: 15px;
        max-height: 70vh;
    }
    
    .text-viewer-content pre {
        font-size: 0.8em;
    }
}