/* Chat Sessions Interface - Consolidated & Optimized */

/* =================================================================
   CSS Variables - Common values for consistency & maintainability
   ================================================================= */
:root {
    /* Colors */
    --chat-bg-dark: rgba(30, 30, 40, 0.8);
    --chat-bg-darker: rgba(25, 25, 35, 0.5);
    --chat-bg-light: rgba(40, 40, 50, 0.6);
    --chat-bg-lighter: rgba(50, 50, 60, 0.8);
    --chat-border: rgba(255, 255, 255, 0.1);
    --chat-border-hover: rgba(255, 255, 255, 0.2);
    --chat-text-primary: white;
    --chat-text-secondary: rgba(255, 255, 255, 0.7);
    --chat-text-tertiary: rgba(255, 255, 255, 0.5);
    --chat-text-quaternary: rgba(255, 255, 255, 0.4);
    --chat-primary: #6366f1;
    --chat-primary-rgb: 99, 102, 241;
    --chat-primary-light: #a78bfa;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    --gradient-family: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-partner: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-colleague: linear-gradient(135deg, #30cfd0 0%, #330867 100%);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-2xl: 24px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 15px;
    --radius-full: 50%;

    /* Layout Heights */
    --header-height: 120px;
    --mobile-header-height: 60px;
    --chat-input-height: 80px;
}

/* =================================================================
   Animations - Reusable keyframes
   ================================================================= */
@keyframes subtle-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.92; }
}

@keyframes blink {
    0%, 50%, 100% { opacity: 0.3; }
    25%, 75% { opacity: 1; }
}

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

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

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

/* =================================================================
   Streaming Animation
   ================================================================= */
.chat-message.ai.streaming .message-content {
    position: relative;
    animation: subtle-pulse 0.5s ease-in-out infinite;
}

.chat-message.ai.streaming::after {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: rgba(var(--chat-primary-rgb), 0.8);
    border-radius: var(--radius-full);
    margin-left: var(--spacing-xs);
    animation: blink 1s infinite;
}

/* =================================================================
   Main Layout
   ================================================================= */
.chat-sessions-container {
    display: flex;
    height: calc(100vh - var(--header-height));
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: transparent;
}

/* Row 2 of chat header: wraps back btn + session selector + expand btn */
.chat-header-row2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1 1 auto;
    min-width: 0;
}

/* Expand/collapse button in chat header (desktop only) */
.chat-expand-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--chat-text-secondary);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 15px;
    flex-shrink: 0;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.chat-expand-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--chat-text-primary);
}

/* Back button (mobile only) */
.chat-back-btn {
    display: none;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--chat-text-secondary);
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    font-size: 15px;
    flex-shrink: 0;
    transition: background 0.2s ease, color 0.2s ease;
}

.chat-back-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--chat-text-primary);
}

/* Smooth slide-out for profile panel */
.profile-selection-panel {
    transition: width 0.3s ease, min-width 0.3s ease, padding 0.3s ease, opacity 0.25s ease;
    overflow: hidden;
}

/* Expanded state: slide profile panel away, chat fills the space */
.chat-sessions-container.expanded .profile-selection-panel {
    width: 0;
    min-width: 0;
    padding: 0;
    opacity: 0;
    pointer-events: none;
}

/* =================================================================
   Mobile Profile Dropdown
   ================================================================= */
.mobile-profile-selector {
    display: none;
}

.mobile-profile-dropdown {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--chat-bg-dark);
    backdrop-filter: blur(10px);
    border: 1px solid var(--chat-border-hover);
    border-radius: 10px;
    color: var(--chat-text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.7)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    padding-right: 40px;
    transition: all 0.3s ease;
}

.mobile-profile-dropdown:hover,
.mobile-profile-dropdown:focus {
    background-color: rgba(30, 30, 40, 0.95);
    border-color: rgba(var(--chat-primary-rgb), 0.5);
    outline: none;
}

.mobile-profile-dropdown option {
    background: #1a1a2e;
    color: var(--chat-text-primary);
    padding: var(--spacing-sm);
}

/* =================================================================
   Panels - Common styles for glassmorphism panels
   ================================================================= */
.glassmorphism-panel {
    background: var(--chat-bg-dark);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    border: 1px solid var(--chat-border);
}

/* Left Panel - Profile Selection */
.profile-selection-panel {
    width: 320px;
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
}

.profile-selection-panel,
.chat-conversation-panel,
.chart-display-panel {
    background: var(--chat-bg-dark);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    border: 1px solid var(--chat-border);
}

.profile-selection-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--chat-border);
}

.profile-selection-header h3 {
    color: var(--chat-text-primary);
    font-size: 16px;
    font-weight: 500;
    margin: 0;
    flex: 1;
}

.profile-selection-header .icon {
    color: var(--chat-text-secondary);
}

/* Profile List */
.profile-list-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: calc(100vh - 220px);
    padding-right: 4px;
}

/* Empty Profiles Message */
.empty-profiles-message {
    text-align: center;
    padding: 40px 20px;
    color: rgba(255, 255, 255, 0.7);
}

.empty-profiles-message .icon {
    font-size: 48px;
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: 15px;
}

.empty-profiles-message p {
    margin-bottom: 20px;
    font-size: 14px;
}

.empty-profiles-message .button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    padding: 8px 16px;
    font-size: 14px;
}

.profile-card {
    background: var(--chat-bg-light);
    border: 1px solid var(--chat-border);
    border-radius: var(--radius-md);
    padding: 10px var(--spacing-md);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 54px;
    flex-shrink: 0;
}

.profile-card:hover {
    background: var(--chat-bg-lighter);
    transform: translateX(3px);
}

.profile-card.selected {
    background: rgba(var(--chat-primary-rgb), 0.2);
    border-color: var(--chat-primary);
}

/* Avatar Styles - Shared between profile and messages */
.profile-avatar,
.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.profile-avatar {
    background: var(--gradient-primary);
    font-size: 14px;
    color: var(--chat-text-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.profile-avatar.self,
.message-avatar.ai {
    background: var(--gradient-primary);
}

.profile-avatar.friend,
.message-avatar.user {
    background: var(--gradient-secondary);
}

.profile-avatar.family {
    background: var(--gradient-family);
}

.profile-avatar.partner {
    background: var(--gradient-partner);
}

.profile-avatar.colleague {
    background: var(--gradient-colleague);
}

.profile-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0;
}

.profile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.profile-name {
    color: white;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-type {
    display: inline-block;
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    border-radius: 6px;
    font-size: 10px;
    text-transform: capitalize;
    font-weight: 400;
    white-space: nowrap;
    flex-shrink: 0;
}

.profile-datetime {
    color: rgba(255, 255, 255, 0.5);
    font-size: 10px;
    font-family: monospace;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
    margin-top: 1px;
}

/* =================================================================
   Right Panel - Chat Interface
   ================================================================= */
.chat-conversation-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    max-width: 100%;
}

/* Prevent horizontal scrollbar in all chat elements */
.chat-conversation-panel * {
    max-width: 100%;
    box-sizing: border-box;
}

/* Chat Header - Integrated with Session Selector */
.chat-conversation-header {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.02);
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
}

.chat-header-info .icon {
    color: var(--chat-text-secondary);
    font-size: 20px;
}

.chat-header-title {
    color: var(--chat-text-primary);
    font-size: 18px;
    font-weight: 500;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Chat Session Selector - Integrated into Header */
.chat-session-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--chat-border);
    flex: 1 1 auto;
    min-width: 0;
    max-width: 600px;
}

.chat-session-selector label {
    color: var(--chat-text-secondary);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
}

.session-dropdown {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--chat-border);
    color: var(--chat-text-primary);
    padding: 6px var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 13px;
    cursor: pointer;
    min-width: 180px;
    max-width: 280px;
    transition: all 0.3s ease;
}

.session-dropdown:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--chat-border-hover);
}

.session-dropdown:focus {
    outline: none;
    border-color: var(--chat-primary);
    box-shadow: 0 0 0 2px rgba(var(--chat-primary-rgb), 0.2);
}

.session-dropdown option {
    background: #2a2a3a;
    color: white;
    padding: var(--spacing-sm);
}

.new-session-btn {
    background: var(--chat-primary);
    border: none;
    color: white;
    padding: 6px var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
    transition: all 0.3s ease;
}

.new-session-btn:hover {
    background: var(--chat-primary-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.new-session-btn i {
    font-size: 11px;
}

.delete-session-btn {
    background: rgba(220, 53, 69, 0.9);
    border: none;
    color: white;
    padding: 6px var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
    transition: all 0.3s ease;
}

.delete-session-btn:hover {
    background: rgba(220, 53, 69, 1);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(220, 53, 69, 0.3);
}

.delete-session-btn:disabled {
    background: rgba(220, 53, 69, 0.4);
    cursor: not-allowed;
    opacity: 0.5;
}

.delete-session-btn i {
    font-size: 11px;
}

/* Button Styles - Shared styles for buttons */

/* Messages Container */
.chat-messages-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    word-wrap: break-word;
    word-break: break-word;
}

/* Message Styles */
.chat-message {
    display: flex;
    gap: 12px;
    animation: fadeInUp 0.3s ease;
}

.chat-message.ai {
    align-self: flex-start;
    max-width: 80%;
}

.chat-message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
    max-width: 80%;
}

/* Message avatar styles moved to shared avatar section above */

.message-content {
    background: var(--chat-bg-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    color: var(--chat-text-primary);
    line-height: 1.5;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    max-width: 100%;
}

/* Ensure code blocks and pre elements wrap properly */
.message-content pre,
.message-content code {
    white-space: pre-wrap;
    word-wrap: break-word;
    word-break: break-all;
    max-width: 100%;
    overflow-x: auto;
}

/* Prevent tables from breaking layout */
.message-content table {
    max-width: 100%;
    overflow-x: auto;
    display: block;
}

/* Ensure images and media don't break layout */
.message-content img,
.message-content video,
.message-content iframe {
    max-width: 100%;
    height: auto;
}

.chat-message.ai .message-content {
    border-top-left-radius: var(--spacing-xs);
}

.chat-message.user .message-content {
    background: rgba(var(--chat-primary-rgb), 0.8);
    border-top-right-radius: var(--spacing-xs);
}

.message-time {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 4px;
}

.message-model-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    padding: 3px 8px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 4px;
    font-size: 10px;
    color: rgba(167, 139, 250, 0.9);
    font-weight: 500;
    width: fit-content;
}

.message-model-badge i {
    font-size: 9px;
}

/* Welcome Message */
.welcome-message {
    text-align: center;
    padding: 40px;
    color: rgba(255, 255, 255, 0.6);
}

.welcome-message h3 {
    color: white;
    font-size: 24px;
    margin-bottom: 10px;
}

/* Chat Input Area */
.chat-input-area {
    padding: 20px;
    padding-bottom: calc(20px + env(safe-area-inset-bottom, 0));
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(25, 25, 35, 0.5);
    flex-shrink: 0;
}

/* Chat controls header (collapsible) */
.chat-controls-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.controls-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--chat-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.controls-toggle-btn {
    background: none;
    border: none;
    color: var(--chat-text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.controls-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--chat-primary);
}

.controls-toggle-btn i {
    transition: transform 0.3s ease;
    font-size: 14px;
}

.controls-toggle-btn.collapsed i {
    transform: rotate(-90deg);
}

/* Chat controls panel */
#chat-controls-panel {
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease, margin 0.3s ease;
    opacity: 1;
}

#chat-controls-panel.collapsed {
    max-height: 0;
    opacity: 0;
    margin-bottom: 0 !important;
    padding-top: 0;
}

.chat-input-wrapper {
    display: flex;
    gap: 12px;
    align-items: flex-end; /* Changed from center to flex-end for better alignment */
}

.chat-input {
    flex: 1;
    background: rgba(40, 40, 50, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 12px 16px;
    border-radius: 25px;
    font-size: 15px;
    outline: none;
    transition: all 0.3s ease;
}

.chat-input:focus {
    border-color: #6366f1;
    background: rgba(50, 50, 60, 0.8);
}

.chat-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.chat-send-btn {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    border: none;
    color: var(--chat-text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.chat-send-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 20px rgba(var(--chat-primary-rgb), 0.4);
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Loading Spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--chat-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

/* Loading Animation */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 12px 16px;
    background: rgba(40, 40, 50, 0.6);
    border-radius: 12px;
    width: fit-content;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--chat-primary);
    border-radius: var(--radius-full);
    animation: typing 1.4s infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

/* =================================================================
   Scrollbar Styling - Unified for all scrollable containers
   ================================================================= */
.chat-messages-container::-webkit-scrollbar,
.profile-list-container::-webkit-scrollbar,
.chart-content::-webkit-scrollbar {
    width: 6px;
}

.chat-messages-container::-webkit-scrollbar-track,
.profile-list-container::-webkit-scrollbar-track,
.chart-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.chat-messages-container::-webkit-scrollbar-thumb,
.profile-list-container::-webkit-scrollbar-thumb,
.chart-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.chat-messages-container::-webkit-scrollbar-thumb:hover,
.profile-list-container::-webkit-scrollbar-thumb:hover,
.chart-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* =================================================================
   Responsive Design - Consolidated Media Queries
   ================================================================= */
@media screen and (max-width: 768px) {
    .chat-expand-btn {
        display: none;
    }

    .chat-back-btn {
        display: flex;
        flex-shrink: 0;
    }

    .chat-sessions-container {
        flex-direction: column;
        height: 100vh;
        height: 100dvh;
        padding: 10px;
        gap: 10px;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
    }
    
    /* Show mobile dropdown, hide desktop panel */
    .mobile-profile-selector {
        display: block;
        margin-bottom: 10px;
    }
    
    /* Hide desktop profile selection panel on mobile */
    .profile-selection-panel {
        display: none;
    }
    
    /* Chat Conversation Panel - Mobile */
    .chat-conversation-panel {
        width: 100%;
        flex: 1;
        min-height: 0;
        height: auto;
        display: flex;
        flex-direction: column;
        position: relative;
    }
    
    .chat-conversation-header {
        padding: 10px 12px;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .chat-header-info {
        width: 100%;
        justify-content: space-between;
    }

    .chat-header-title {
        font-size: 14px;
        flex: 1;
        min-width: 0;
    }

    .chat-messages-container {
        flex: 1;
        overflow-y: auto;
        padding: 10px;
        min-height: 0;
        -webkit-overflow-scrolling: touch;
    }
    
    .chat-input-area {
        padding: 10px;
        position: sticky;
        bottom: 0;
        background: rgba(25, 25, 35, 0.95);
        border-top: 2px solid rgba(255, 255, 255, 0.15);
        z-index: 10;
    }

    /* Mobile controls header */
    .chat-controls-header {
        padding: var(--spacing-xs) 0;
        margin-bottom: var(--spacing-xs);
    }

    .controls-label {
        font-size: 0.75rem;
    }

    .controls-toggle-btn {
        padding: var(--spacing-xs);
    }

    /* Collapse controls by default on mobile for more space */
    #chat-controls-panel {
        max-height: 300px;
    }

    /* Mobile session selector - make it full width and compact */
    .chat-session-selector {
        width: 100%;
        gap: var(--spacing-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
        flex-wrap: nowrap;
        background: rgba(255, 255, 255, 0.03);
    }

    .chat-session-selector label {
        font-size: 0.75rem;
        white-space: nowrap;
    }

    .session-dropdown {
        flex: 1;
        min-width: 0;
        max-width: none;
        font-size: 0.8125rem;
        padding: 6px 8px;
    }

    .new-session-btn {
        padding: 6px 10px;
        font-size: 0.75rem;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .delete-session-btn {
        padding: 6px 10px;
        font-size: 0.75rem;
        flex-shrink: 0;
    }

    /* Fix dropdown positioning on mobile */
    .chart-toggle-container {
        position: relative;
        overflow: visible;
    }

    .ai-mode-selector,
    .model-selector {
        position: relative;
        overflow: visible;
    }

    /* Ensure dropdowns appear correctly positioned on mobile */
    .ai-mode-dropdown,
    .model-dropdown,
    .aura-quick-dropdown {
        position: relative;
        width: 100%;
        font-size: 14px !important;
        /* Restore native appearance on mobile for better positioning */
        appearance: auto !important;
        -webkit-appearance: menulist !important;
        -moz-appearance: menulist !important;
        /* Adjust padding since we're using native styling */
        padding: 8px 12px !important;
        background-image: none !important;
        padding-right: 12px !important; /* Remove extra padding from custom arrow */
    }

    .session-dropdown {
        /* Also fix session dropdown positioning */
        appearance: auto !important;
        -webkit-appearance: menulist !important;
        -moz-appearance: menulist !important;
    }

    .chat-input-wrapper {
        gap: var(--spacing-sm);
    }

    .chat-input {
        font-size: 16px; /* Prevents iOS zoom */
        padding: 10px 14px;
    }
    
    .chat-send-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    /* Chat Messages - Mobile */
    .chat-message {
        max-width: 85%;
        gap: 8px;
    }

    .message-avatar {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    .message-content {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 14px;
    }
    
    .message-time {
        font-size: 10px;
    }
    
    /* Welcome Message - Mobile */
    .welcome-message {
        padding: 20px;
    }
    
    .welcome-message h3 {
        font-size: 18px;
    }
    
    .welcome-message p {
        font-size: 13px;
    }
}

/* Smaller Mobile Devices */
@media screen and (max-width: 480px) {
    .chat-sessions-container {
        padding: 5px;
        gap: 5px;
        height: 100vh;
        height: 100dvh;
    }
    
    /* Mobile dropdown adjustments for smaller screens */
    .mobile-profile-selector {
        margin-bottom: 8px;
    }
    
    .mobile-profile-dropdown {
        padding: 10px 14px;
        font-size: 13px;
        padding-right: 36px;
        background-size: 18px;
        background-position: right 10px center;
    }
    
    .chat-conversation-header {
        padding: 8px 10px;
        gap: 6px;
    }

    .chat-header-title {
        font-size: 13px;
    }

    /* Extra compact session selector for very small screens */
    .chat-session-selector {
        padding: 4px 6px;
        gap: 4px;
    }

    .chat-session-selector label {
        font-size: 0.7rem;
    }

    .session-dropdown {
        font-size: 0.75rem;
        padding: 4px 6px;
    }

    .new-session-btn {
        padding: 4px 8px;
        font-size: 0.7rem;
    }
    
    .chat-messages-container {
        padding: 8px;
        flex: 1;
        min-height: 0;
        overflow-y: auto;
    }
    
    .chat-input-area {
        padding: 8px;
        padding-bottom: calc(8px + env(safe-area-inset-bottom));
        position: sticky;
        bottom: 0;
        background: rgba(25, 25, 35, 0.98);
        z-index: 10;
    }
    
    .chat-input {
        font-size: 16px; /* Critical: prevents iOS zoom */
        padding: 8px 12px;
    }
    
    .chat-send-btn {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
}

/* Chart Toggle Checkbox Styles */
.chart-toggle-container {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.chart-toggle-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    transition: color 0.3s ease;
}

.chart-toggle-label:hover {
    color: white;
}

.chart-toggle-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #6366f1;
}

.chart-toggle-text {
    user-select: none;
}

/* Quota Display Styles - Simple text style matching checkbox */
.quota-display {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    margin-bottom: 10px;
}

.quota-label {
    color: rgba(255, 255, 255, 0.8);
}

.quota-value {
    font-weight: bold;
    transition: color 0.3s ease;
}

/* Mobile responsive */
@media screen and (max-width: 768px) {
    .quota-display {
        font-size: 13px;
    }
}

/* =================================================================
   Chart Display Panel
   ================================================================= */
.chart-display-panel {
    width: 400px;
    height: calc(100vh - 140px);
    max-height: calc(100vh - 140px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Resize Handle for Chart Panel */
.chart-resize-handle {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 8px;
    cursor: col-resize;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-resize-handle:hover .resize-handle-line,
.chart-resize-handle.resizing .resize-handle-line {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 3px;
}

.resize-handle-line {
    width: 2px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Chart Panel Header */
.chart-panel-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--chat-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chart-title {
    color: var(--chat-text-primary);
    font-size: 18px;
    font-weight: 500;
    margin: 0;
}

.chart-close-btn {
    background: transparent;
    border: none;
    color: var(--chat-text-secondary);
    font-size: 20px;
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: color 0.3s ease;
}

.chart-close-btn:hover {
    color: var(--chat-text-primary);
}

/* Chart Content */
.chart-content {
    flex: 1;
    padding: 20px;
    position: relative;
    min-height: 400px;
    overflow-y: auto;
    overflow-x: hidden;
    max-height: calc(100vh - 200px);
}

/* Chart Display Container */
.chart-display-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-bottom: 20px;
}

/* SVG Chart Container */
.chart-svg-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(20, 20, 30, 0.5);
    border-radius: 8px;
    padding: 10px;
    min-height: 300px;
}

/* Ensure SVG scales properly */
.chart-svg-container svg {
    width: 100% !important;
    height: auto !important;
    max-width: 100%;
    max-height: 400px;
    display: block;
}

/* Chart Summary */
.chart-summary {
    background: rgba(40, 40, 50, 0.6);
    border-radius: 8px;
    padding: 16px;
}

.chart-summary h4 {
    color: var(--chat-primary-light);
    font-size: 14px;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.summary-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-value {
    color: var(--chat-text-primary);
    font-size: 13px;
    font-weight: 500;
}

/* Color coding for specific summary values */
.summary-value.positive-value {
    color: #4ade80;
    font-weight: 600;
}

.summary-value.negative-value {
    color: #f87171;
    font-weight: 600;
}

/* Specific styling for net score */
.summary-item[data-key="net_score"] .summary-value {
    font-weight: 700;
    font-size: 16px;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
}

.summary-item[data-key="net_score"] .summary-value.positive-value {
    color: #4ade80;
    background: rgba(74, 222, 128, 0.1);
}

.summary-item[data-key="net_score"] .summary-value.negative-value {
    color: #f87171;
    background: rgba(248, 113, 113, 0.1);
}

/* Formula Execution Specific Styles */
.formula-status-title.pending {
    color: #94a3b8;
}

.formula-status-title.processing {
    color: #fbbf24;
}

.formula-retrigger-btn {
    padding: 10px 20px;
    background: rgba(99, 102, 241, 0.8);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.formula-retrigger-btn:hover:not(:disabled) {
    background: rgba(99, 102, 241, 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(99, 102, 241, 0.3);
}

.formula-retrigger-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.formula-trigger-success {
    color: #4ade80;
    margin-top: 12px;
    display: none;
    animation: fadeIn 0.3s ease;
}

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

/* Planet Table */
.planet-table-container {
    background: rgba(40, 40, 50, 0.6);
    border-radius: 8px;
    padding: 16px;
}

.planet-table-container h4 {
    color: var(--chat-primary-light);
    font-size: 14px;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.planet-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.planet-table thead {
    background: rgba(var(--chat-primary-rgb), 0.1);
}

.planet-table th {
    padding: var(--spacing-sm);
    text-align: left;
    color: var(--chat-primary-light);
    font-weight: 500;
    border-bottom: 1px solid var(--chat-border);
}

.planet-table tbody td {
    padding: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.planet-table tbody tr:hover {
    background: rgba(var(--chat-primary-rgb), 0.05);
}

/* No Chart State */
.no-chart {
    text-align: center;
    padding: 40px 20px;
    color: rgba(255, 255, 255, 0.5);
}

.no-chart i {
    font-size: 48px;
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: 16px;
}

.no-chart p {
    font-size: 14px;
    margin-bottom: 8px;
}

.no-chart small {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

#vedic-chart-canvas {
    width: 100%;
    height: 100%;
    max-width: min(90%, 600px);
    max-height: min(90%, 600px);
    aspect-ratio: 1;
}

/* Animation for sliding profile panel */
.profile-selection-panel {
    position: relative;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Chart mode layout adjustment */
.chat-sessions-container.chart-mode {
    gap: 20px;
}

.chat-sessions-container.chart-mode .chat-conversation-panel {
    margin-right: 0;
}

/* Transitioning state - prevent layout jumps */
.chat-sessions-container.transitioning {
    overflow: hidden;
}

.chat-sessions-container.transitioning .profile-selection-panel,
.chat-sessions-container.transitioning .chart-display-panel {
    flex-shrink: 0;
}

/* Responsive adjustments for chart view */
@media screen and (max-width: 1024px) {
    .chart-display-panel {
        width: 350px;
    }

    #vedic-chart-canvas {
        max-width: min(85%, 500px);
        max-height: min(85%, 500px);
    }
}

@media screen and (max-width: 768px) {
    /* Show chart toggle on mobile with adjusted styling */
    .chart-toggle-container {
        margin-top: 10px;
        padding: 8px;
    }
    
    /* Hide profile selection panel when chart is visible on mobile */
    .profile-selection-panel {
        display: none !important;
    }
    
    /* Chart panel adjustments for mobile */
    .chart-display-panel {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        z-index: 9999;
        background: var(--color-card-bg);
    }
    
    .chart-display-panel.visible {
        display: flex !important;
    }
}

/* =================================================================
   Notification Animations & Claude Agent Toggle Styles
   ================================================================= */

/* Notification slide animations */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* AI Mode Selector Styles - Consolidated */
.ai-mode-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-mode-selector label {
    color: var(--chat-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.ai-mode-dropdown {
    flex: 1;
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--chat-bg-darker);
    backdrop-filter: blur(10px);
    border: 1px solid var(--chat-border);
    border-radius: var(--radius-sm);
    color: var(--chat-text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.7)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 14px;
    padding-right: 28px;
    transition: all 0.3s ease;
}

.ai-mode-dropdown:hover {
    border-color: var(--chat-border-hover);
    background: var(--chat-bg-light);
}

.ai-mode-dropdown:focus {
    background-color: rgba(50, 50, 60, 0.9);
    border-color: var(--chat-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(var(--chat-primary-rgb), 0.2);
}

.ai-mode-dropdown option {
    background: var(--chat-bg-darker);
    color: var(--chat-text-primary);
    padding: var(--spacing-xs);
}

.ai-mode-dropdown option:disabled {
    color: var(--chat-text-quaternary);
    font-style: italic;
}

/* Visual indicator when Enhanced AI Mode is active */
.ai-mode-dropdown[value="claude-agent"] {
    border-color: var(--chat-primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(116, 75, 162, 0.1) 100%);
}

/* Enhanced AI Mode indicator styles */
.chart-toggle-label[for="claude-agent-checkbox"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.chart-toggle-checkbox:checked + .chart-toggle-text .fa-brain {
    color: var(--chat-primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Notification enhancements */
.notification {
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.notification.is-info {
    background: rgba(99, 102, 241, 0.9) !important;
}

.notification.is-success {
    background: rgba(34, 197, 94, 0.9) !important;
}

.notification.is-warning {
    background: rgba(251, 146, 60, 0.9) !important;
}

.notification.is-danger,
.notification.is-error {
    background: rgba(239, 68, 68, 0.9) !important;
}

/* =================================================================
   Model Selector Dropdown Styling
   ================================================================= */
.model-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    margin-top: var(--spacing-sm);
}

.model-selector label {
    color: var(--chat-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.model-dropdown {
    flex: 1;
    background: var(--chat-bg-darker);
    color: var(--chat-text-primary);
    border: 1px solid var(--chat-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.7)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 14px;
    padding-right: 28px;
}

.model-dropdown:hover {
    border-color: var(--chat-border-hover);
    background: var(--chat-bg-light);
}

.model-dropdown:focus {
    outline: none;
    border-color: var(--chat-primary);
    box-shadow: 0 0 0 2px rgba(var(--chat-primary-rgb), 0.2);
}

.model-dropdown option {
    background: var(--chat-bg-darker);
    color: var(--chat-text-primary);
    padding: var(--spacing-xs);
}

/* =================================================================
   MOBILE DROPDOWN FIX - MUST BE LAST TO OVERRIDE ALL OTHER RULES
   ================================================================= */
@media screen and (max-width: 768px) {
    /* Force native appearance on mobile for proper dropdown positioning */
    select#ai-mode-dropdown,
    select#model-dropdown,
    select#session-dropdown,
    select.ai-mode-dropdown,
    select.model-dropdown,
    select.session-dropdown {
        appearance: auto !important;
        -webkit-appearance: menulist !important;
        -moz-appearance: menulist !important;
        background-image: none !important;
        padding-right: 12px !important;
        background-color: var(--chat-bg-darker) !important;
        border: 1px solid var(--chat-border) !important;
        border-radius: var(--radius-sm) !important;
    }
}
/* =================================================================
   NOTIFICATION STYLES - Persistent error notifications
   ================================================================= */

/* Base notification styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
    padding: 1rem 2.5rem 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    font-weight: 500;
    cursor: pointer;
}

/* Danger/Error notification - Red, persistent */
.notification.is-danger,
.notification.is-error {
    background-color: #f14668 !important;
    color: white !important;
    border-left: 4px solid #d93651;
    font-weight: 600;
}

/* Success notification - Green */
.notification.is-success {
    background-color: #48c78e !important;
    color: white !important;
    border-left: 4px solid #3abb81;
}

/* Info notification - Blue */
.notification.is-info {
    background-color: #3e8ed0 !important;
    color: white !important;
    border-left: 4px solid #2e7bb9;
}

/* Warning notification - Yellow */
.notification.is-warning {
    background-color: #ffe08a !important;
    color: rgba(0, 0, 0, 0.7) !important;
    border-left: 4px solid #ffd257;
}

/* Delete button */
.notification .delete {
    position: absolute;
    right: 0.5rem;
    top: 0.5rem;
    background-color: rgba(0, 0, 0, 0.2);
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.notification .delete:before,
.notification .delete:after {
    background-color: white;
}

.notification .delete:hover {
    background-color: rgba(0, 0, 0, 0.3);
}

/* Animations */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Mobile adjustments */
@media screen and (max-width: 768px) {
    .notification {
        max-width: calc(100vw - 40px);
        left: 20px;
        right: 20px;
    }
}

/* ── Aura quick selector (Chat Settings panel) ─────────────────────── */
.aura-quick-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    padding: 0.5rem 0;
}

.aura-quick-selector label {
    color: var(--chat-text-secondary);
    font-size: 0.8rem;
    white-space: nowrap;
}

.aura-quick-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.aura-quick-dropdown {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--chat-bg-darker);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(245, 158, 11, 0.4);
    border-radius: var(--radius-sm);
    color: #fcd34d;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(252,211,77,0.8)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 14px;
    padding-right: 28px;
    transition: all 0.2s ease;
}

.aura-quick-dropdown:hover {
    background-color: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.7);
}

.aura-quick-dropdown:focus {
    outline: none;
    border-color: #fcd34d;
    box-shadow: 0 0 0 2px rgba(252, 211, 77, 0.2);
}

.aura-quick-dropdown option {
    background: var(--chat-bg-darker);
    color: var(--chat-text-primary);
}