/* ============================================
   EXCALIDRAW-INSPIRED WHITEBOARD DESIGN
   Modern, clean, professional interface
   ============================================ */

/* Import Virgil font (Excalidraw's signature font) */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;500;600;700&display=swap');

:root {
    /* Excalidraw color palette */
    --primary: #6965db;
    --primary-darker: #5753c6;
    --primary-lighter: #8481e8;
    --accent: #ec4899;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    /* Neutrals */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Semantic */
    --text: #1f2937;
    --text-light: #6b7280;
    --bg: #ffffff;
    --bg-canvas: #f9fafb;
    --border: #e5e7eb;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-6: 24px;
    --space-8: 32px;

    /* Radius */
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Noto Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-canvas);
    color: var(--text);
    display: flex;
    flex-direction: column;
}

/* ============================================
   FLOATING TOOLBAR (Excalidraw style)
   ============================================ */

.toolbar-container {
    position: fixed;
    top: var(--space-3);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    gap: var(--space-2);
}

.toolbar {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-1);
    display: flex;
    align-items: center;
    gap: 1px;
    box-shadow: var(--shadow-lg);
    transition: box-shadow var(--transition);
}

.toolbar:hover {
    box-shadow: var(--shadow-xl);
}

/* Tool buttons - More compact */
.tool-btn {
    position: relative;
    background: transparent;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    font-size: 16px;
    transition: all var(--transition);
}

.tool-btn:hover {
    background: var(--gray-100);
}

.tool-btn.active {
    background: var(--primary);
    color: white;
}

.tool-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Separator */
.tool-separator {
    width: 1px;
    height: 20px;
    background: var(--border);
    margin: 0 var(--space-1);
}

/* Color picker - More compact */
.color-picker-container {
    position: relative;
    display: flex;
    gap: 2px;
}

.color-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 2px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.color-btn:hover {
    transform: scale(1.08);
}

.color-btn.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--primary);
}

/* Size slider - More compact */
.size-control {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: 0 var(--space-2);
}

.size-slider {
    width: 60px;
    height: 3px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    outline: none;
    -webkit-appearance: none;
}

.size-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: all var(--transition);
}

.size-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.size-label {
    font-size: 11px;
    color: var(--text-light);
    min-width: 28px;
    font-weight: 500;
}

/* ============================================
   CANVAS AREA
   ============================================ */

.canvas-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: var(--bg-canvas);
}

#whiteboardCanvas {
    display: block;
    touch-action: none;
    cursor: crosshair;
}

/* Cursors layer for remote cursors */
#cursorsLayer,
.cursors-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
}


/* Remote cursors */
.remote-cursor {
    position: fixed;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid white;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 101;
    transition: all 0.1s ease-out;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.remote-cursor::after {
    content: attr(data-name);
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
    pointer-events: none;
}

/* ============================================
   SIDEBAR PANELS (floating cards) - More compact
   ============================================ */

.sidebar-container {
    position: fixed;
    top: 70px;
    right: var(--space-3);
    width: 260px;
    max-height: calc(100vh - 520px); /* Account for bottom chat */
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    z-index: 900;
    transition: all 0.3s ease;
}

/* Adjust when chat is collapsed */
body:has(.chat-panel.collapsed) .sidebar-container,
body:has(.chat-box.collapsed) .sidebar-container {
    max-height: calc(100vh - 140px);
}

/* Adjust when chat is expanded */
body:has(.chat-panel.expanded) .sidebar-container,
body:has(.chat-box.chat-expanded) .sidebar-container {
    max-height: calc(100vh - 70vh);
}

.sidebar-panel {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-panel:hover {
    box-shadow: var(--shadow-xl);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border);
}

.panel-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.panel-title::before {
    content: '';
    width: 3px;
    height: 12px;
    background: var(--primary);
    border-radius: var(--radius-full);
}

.panel-toggle {
    background: transparent;
    border: none;
    width: 24px;
    height: 24px;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: all var(--transition);
}

.panel-toggle:hover {
    background: var(--gray-100);
    color: var(--text);
}

/* Hide sidebar user list (using unified footer now) */
.sidebar .user-list,
.sidebar-panel .user-list {
    display: none;
}

/* ============================================
   FOOTER HEADER - Always Visible
   ============================================ */

.footer-header,
.chat-header,
.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--bg) 100%);
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    user-select: none;
    transition: background 0.15s ease;
    min-height: 56px;
}

.footer-header:hover,
.chat-header:hover {
    background: var(--gray-100);
}

/* Header left section - title and user count */
.footer-header-left,
.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    cursor: pointer;
}

.footer-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* User count badge */
.user-count-badge {
    background: var(--primary);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

/* Chat indicator */
.chat-indicator {
    font-size: 13px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* Expand/Collapse button */
.footer-toggle,
.panel-toggle,
.chat-toggle {
    background: var(--primary);
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    font-size: 16px;
    padding: 0;
    box-shadow: var(--shadow-sm);
}

.footer-toggle:hover,
.panel-toggle:hover {
    background: var(--primary-darker);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.footer-toggle::after,
.panel-toggle::after {
    content: '▲';
    transition: transform 0.3s ease;
}

.unified-footer.collapsed .footer-toggle::after,
.chat-panel.collapsed .panel-toggle::after,
.chat-box.collapsed .chat-toggle::after {
    content: '▲';
    transform: rotate(180deg);
}

/* ============================================
   FOOTER CONTENT - Hidden when collapsed
   ============================================ */

.footer-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-4);
    padding: var(--space-4);
    min-height: 0;
    overflow: hidden;
}

.unified-footer.collapsed .footer-content,
.chat-panel.collapsed .footer-content {
    display: none;
}


/* ============================================
   ACTIVE USERS SECTION
   ============================================ */

.users-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    border-right: 1px solid var(--border);
    padding-right: var(--space-4);
}

.users-section-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: calc(60vh - 150px);
    overflow-y: auto;
    padding-right: var(--space-1);
}

.user-list::-webkit-scrollbar {
    width: 4px;
}

.user-list::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

.user-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    border-radius: var(--radius);
    background: var(--bg);
    transition: all var(--transition);
    cursor: default;
}

.user-item:hover {
    background: var(--gray-50);
    transform: translateX(2px);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.user-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    flex-shrink: 0;
}

/* ============================================
   CHAT SECTION
   ============================================ */

.chat-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.chat-messages {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: 100%;
    overflow-y: auto;
    padding-right: var(--space-1);
    min-height: 0;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

.unified-footer.collapsed .chat-messages,
.chat-panel.collapsed .chat-messages {
    display: none;
}

/* Chat message bubble */
.chat-message {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    background: var(--bg);
    border-left: 3px solid transparent;
    transition: all var(--transition);
    animation: slideInChat 0.2s ease-out;
    box-shadow: var(--shadow-xs);
    flex-shrink: 0;
}

.chat-message:hover {
    background: var(--gray-50);
    border-left-color: var(--primary);
    box-shadow: var(--shadow-sm);
    transform: translateX(2px);
}

.chat-message.system {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-50) 100%);
    font-style: italic;
    font-size: 12px;
    color: var(--text-light);
    border-left-color: var(--gray-300);
}

.chat-author {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.chat-author::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    display: inline-block;
    box-shadow: 0 0 0 2px var(--bg);
}

.chat-text {
    font-size: 14px;
    color: var(--text);
    word-wrap: break-word;
    line-height: 1.5;
}

/* Chat input area - MOVED TO TOP of flex layout */
.chat-input-container {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-3) 0 var(--space-2) 0;
    background: transparent;
    border: none;
    order: -1;
    flex-shrink: 0;
}

.unified-footer.collapsed .chat-input-container,
.chat-panel.collapsed .chat-input-container {
    display: none;
}

.chat-input {
    flex: 1;
    padding: var(--space-3) var(--space-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    outline: none;
    transition: all var(--transition);
    background: var(--bg-canvas);
    min-height: 40px;
    display: flex;
    align-items: center;
    font-family: inherit;
}

.chat-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(105, 101, 219, 0.1);
    background: var(--bg);
}

.chat-input::placeholder {
    color: var(--gray-400);
    font-style: italic;
}

.chat-send-btn {
    padding: var(--space-2) var(--space-4);
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    box-shadow: var(--shadow-xs);
    flex-shrink: 0;
}

.chat-send-btn:hover {
    background: var(--primary-darker);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Animation */
@keyframes slideInChat {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .unified-footer,
    .chat-panel,
    .chat-box {
        max-height: 56px;
    }

    .unified-footer.expanded,
    .chat-panel.expanded {
        max-height: 70vh;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .users-section {
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding-right: 0;
        padding-bottom: var(--space-3);
    }

    .user-list,
    .chat-messages {
        max-height: 200px;
    }
}
/* ============================================
   BOTTOM ACTION BAR
   ============================================ */

.action-bar {
    position: fixed;
    bottom: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-2) var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.action-btn {
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--transition);
    color: var(--text);
}

.action-btn:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

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

.action-btn.primary:hover {
    background: var(--primary-darker);
}

.action-btn.danger {
    color: var(--danger);
    border-color: var(--danger);
}

.action-btn.danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .toolbar-container {
        top: var(--space-2);
        left: var(--space-2);
        right: var(--space-2);
        transform: none;
        flex-direction: column;
    }

    .toolbar {
        width: 100%;
        justify-content: space-between;
    }

    .sidebar-container {
        top: auto;
        bottom: 80px;
        right: var(--space-2);
        left: var(--space-2);
        width: auto;
        max-height: 40vh;
    }

    .action-bar {
        left: var(--space-2);
        right: var(--space-2);
        transform: none;
        width: auto;
    }
}

/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.hidden {
    display: none;
}

.hidden-input {
    display: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   CONNECTION MODAL & BUTTONS
   ============================================ */




@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Modal Header */
.modal-header {
    margin-bottom: var(--space-4);
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: var(--space-2);
}

.modal-subtitle {
    font-size: 14px;
    color: var(--text-light);
}

/* Form Inputs */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: var(--space-1);
}

.form-input,
input[type="text"],
input[type="password"] {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    outline: none;
    transition: all var(--transition);
    background: var(--bg);
    color: var(--text);
}

.form-input:focus,
input[type="text"]:focus,
input[type="password"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(105, 101, 219, 0.1);
}



/* Disconnect button */
.disconnect-btn,
button[id*="disconnect"],
.btn-danger {
    padding: var(--space-2) var(--space-4);
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.disconnect-btn:hover,
button[id*="disconnect"]:hover,
.btn-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
}

/* ============================================
   ENHANCED CHAT PANEL
   ============================================ */

.chat-panel {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: 400px;
}

.chat-panel.collapsed {
    max-height: 48px;
}

.chat-panel.minimized {
    max-height: 200px;
}

.chat-panel.expanded {
    max-height: 600px;
}

/* Enhanced Chat Header */
.chat-header,
.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--bg) 100%);
    border-bottom: 1px solid var(--border);
}

.chat-header h3,
.panel-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.chat-header h3::before,
.panel-title::before {
    content: '💬';
    font-size: 16px;
}

/* Chat Messages Container - Enhanced */
.chat-messages {
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: 280px;
    overflow-y: auto;
    background: var(--bg-canvas);
    transition: max-height 0.3s ease;
}

.chat-panel.collapsed .chat-messages {
    display: none;
}

.chat-panel.minimized .chat-messages {
    max-height: 120px;
}

.chat-panel.expanded .chat-messages {
    max-height: 480px;
}

/* Custom Scrollbar - Enhanced */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
    border-radius: var(--radius-full);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
    border: 1px solid var(--bg-canvas);
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Chat Message Bubble - Enhanced */
.chat-message {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    background: var(--bg);
    border-left: 3px solid transparent;
    transition: all var(--transition);
    animation: slideInChat 0.2s ease-out;
    box-shadow: var(--shadow-xs);
}

.chat-message:hover {
    background: var(--gray-50);
    border-left-color: var(--primary);
    box-shadow: var(--shadow-sm);
    transform: translateX(2px);
}

.chat-message.system {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-50) 100%);
    font-style: italic;
    font-size: 12px;
    color: var(--text-light);
    border-left-color: var(--gray-300);
}

/* Chat Author - Enhanced */
.chat-author {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.chat-author::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    display: inline-block;
    box-shadow: 0 0 0 2px var(--bg);
}

.chat-text {
    font-size: 14px;
    color: var(--text);
    word-wrap: break-word;
    line-height: 1.5;
}

/* Chat Input Area - Enhanced */
.chat-input-container {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--bg);
    border-top: 1px solid var(--border);
    transition: opacity 0.3s ease;
}

.chat-panel.collapsed .chat-input-container {
    display: none;
}

.chat-input {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    outline: none;
    transition: all var(--transition);
    background: var(--bg-canvas);
}

.chat-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(105, 101, 219, 0.1);
    background: var(--bg);
}

.chat-input::placeholder {
    color: var(--gray-400);
    font-style: italic;
}

.chat-send-btn {
    padding: var(--space-2) var(--space-4);
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    box-shadow: var(--shadow-xs);
}

.chat-send-btn:hover {
    background: var(--primary-darker);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.chat-send-btn:active {
    transform: translateY(0);
}

/* Chat Toggle Button - Enhanced */
.panel-toggle,
.chat-toggle {
    background: transparent;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: all var(--transition);
    font-size: 14px;
}

.panel-toggle:hover,
.chat-toggle:hover {
    background: var(--gray-100);
    color: var(--text);
}

.panel-toggle::after {
    content: '▼';
    transition: transform 0.3s ease;
}

.chat-panel.collapsed .panel-toggle::after {
    transform: rotate(-90deg);
}

.chat-panel.expanded .panel-toggle::after {
    transform: rotate(180deg);
}

/* Animation for new chat messages */
@keyframes slideInChat {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}