/* bobai Web UI - AI Success Mentor
 * Design System: Warm, sophisticated, uplifting
 */

/* ============================================================
   1. DESIGN TOKENS (CSS Custom Properties)
   ============================================================ */

:root {
    /* Primary Colors - Terracotta */
    --color-primary: #C75B39;
    --color-primary-dark: #A84832;
    --color-primary-light: #D97A5C;

    /* Secondary Colors - Sage */
    --color-secondary: #7A9E7E;
    --color-secondary-dark: #5F8263;
    --color-secondary-light: #9AB89D;

    /* Accent Colors - Amber (Committed) */
    --color-accent: #D4A84B;
    --color-accent-dark: #B8923E;
    --color-accent-light: #E4C47A;

    /* Neutral Colors */
    --color-text: #2D2A26;
    --color-text-muted: #6B6560;
    --color-text-light: #8A857F;
    --color-background: #F7F5F2;
    --color-card: #FDFCFB;
    --color-border: #C4BFB8;
    --color-border-light: #E5E2DE;

    /* Semantic Colors */
    --color-success: #5D9B64;
    --color-error: #C74D4D;
    --color-warning: #D4A84B;
    --color-info: #5B8AC7;

    /* Typography */
    --font-display: 'Fraunces', serif;
    --font-body: 'Source Sans 3', sans-serif;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Borders */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(45, 42, 38, 0.05);
    --shadow-md: 0 4px 6px rgba(45, 42, 38, 0.07), 0 1px 3px rgba(45, 42, 38, 0.05);
    --shadow-lg: 0 10px 15px rgba(45, 42, 38, 0.08), 0 4px 6px rgba(45, 42, 38, 0.04);
    --shadow-xl: 0 20px 25px rgba(45, 42, 38, 0.1), 0 10px 10px rgba(45, 42, 38, 0.04);
    --shadow-glow-primary: 0 0 20px rgba(199, 91, 57, 0.25);
    --shadow-glow-accent: 0 0 20px rgba(212, 168, 75, 0.35);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Dark Mode */
[data-theme="dark"] {
    --color-text: #F0EDE9;
    --color-text-muted: #B8B2AC;
    --color-text-light: #8A857F;
    --color-background: #1C1917;
    --color-card: #292524;
    --color-border: #44403C;
    --color-border-light: #3A3733;

    /* Slightly lighter section backgrounds for contrast */
    --color-section-alt: #252220;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25), 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3), 0 4px 6px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.35), 0 10px 10px rgba(0, 0, 0, 0.2);
}

/* ============================================================
   2. BASE STYLES
   ============================================================ */

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6,
.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-family: var(--font-display);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
}

.display-4 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
}

.lead {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

.text-muted {
    color: var(--color-text-muted) !important;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

/* ============================================================
   3. NAVBAR
   ============================================================ */

.navbar {
    background-color: var(--color-card) !important;
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    padding: var(--space-3) 0;
}

.navbar-brand {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary) !important;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: color var(--transition-fast);
}

.navbar-brand:hover {
    color: var(--color-primary-dark) !important;
}

.navbar-brand i {
    font-size: 1.3em;
}

.navbar .nav-link {
    color: var(--color-text) !important;
    font-weight: var(--font-weight-medium);
    padding: var(--space-2) var(--space-4) !important;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar .nav-link:hover {
    color: var(--color-primary) !important;
    background-color: rgba(199, 91, 57, 0.08);
}

.navbar .nav-link.active {
    color: var(--color-primary) !important;
}

/* Navbar toggler for mobile */
.navbar-toggler {
    border-color: var(--color-border);
    padding: var(--space-2);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%232D2A26' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-theme="dark"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23F0EDE9' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Committed Badge */
.badge-pro {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    color: var(--color-text);
    font-family: var(--font-body);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(212, 168, 75, 0.4);
    }
    50% {
        box-shadow: 0 0 15px rgba(212, 168, 75, 0.6);
    }
}

/* Theme Toggle Button */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-2);
    cursor: pointer;
    color: var(--color-text);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background-color: var(--color-border-light);
    color: var(--color-primary);
}

/* ============================================================
   4. BUTTONS
   ============================================================ */

.btn {
    font-family: var(--font-body);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-5);
    transition: all var(--transition-normal);
    border: none;
}

.btn:focus {
    box-shadow: 0 0 0 3px rgba(199, 91, 57, 0.25);
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: var(--shadow-md), 0 2px 4px rgba(199, 91, 57, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 4px 8px rgba(199, 91, 57, 0.3);
    color: white;
}

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

.btn-outline-primary {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

.btn-outline-primary:disabled {
    color: var(--color-text-light);
    border-color: var(--color-border);
    background: transparent;
    opacity: 1;
    cursor: not-allowed;
}

/* Secondary Button */
.btn-secondary {
    background: var(--color-secondary);
    color: white;
}

.btn-secondary:hover {
    background: var(--color-secondary-dark);
    color: white;
    transform: translateY(-2px);
}

/* Accent/Warning Button (Committed/Upgrade) */
.btn-warning,
.btn-accent {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-text);
    box-shadow: var(--shadow-md), 0 2px 4px rgba(212, 168, 75, 0.2);
}

.btn-warning:hover,
.btn-accent:hover {
    background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-accent);
    color: var(--color-text);
}

/* Light Button */
.btn-light {
    background: var(--color-card);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-light:hover {
    background: var(--color-background);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

/* Link-style button */
.btn-link {
    color: var(--color-primary);
    text-decoration: none;
}

.btn-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Outline Secondary Button */
.btn-outline-secondary {
    border: 2px solid var(--color-border);
    color: var(--color-text-muted);
    background: transparent;
}

.btn-outline-secondary:hover {
    background-color: var(--color-border-light);
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-outline-secondary.disabled,
.btn-outline-secondary:disabled {
    color: var(--color-text-muted);
    background-color: transparent;
    border-color: var(--color-border);
}

/* Success Button */
.btn-success {
    background-color: var(--color-success);
    border-color: var(--color-success);
    color: white;
}

.btn-success:hover {
    background-color: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
    color: white;
}

.btn-success.disabled,
.btn-success:disabled {
    background-color: var(--color-success);
    border-color: var(--color-success);
    color: white;
    opacity: 0.8;
}

/* Large button */
.btn-lg {
    padding: var(--space-3) var(--space-8);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-lg);
}

/* Small button */
.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-sm);
}

/* ============================================================
   5. CARDS
   ============================================================ */

.card {
    background-color: var(--color-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--space-4) var(--space-5);
}

.card-body {
    padding: var(--space-5);
}

.card-footer {
    background-color: transparent;
    border-top: 1px solid var(--color-border-light);
    padding: var(--space-4) var(--space-5);
}

/* Feature Cards */
.feature-card {
    text-align: center;
    padding: var(--space-6);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-card .feature-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.feature-card h5 {
    font-family: var(--font-display);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-3);
}

/* Committed Card with Glow */
.card-pro {
    border: 2px solid var(--color-accent);
    box-shadow: var(--shadow-lg), var(--shadow-glow-accent);
}

.card-pro .card-header {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-text);
    border-bottom: none;
}

/* Company Card with Sage Green */
.card-company {
    border: 2px solid var(--color-secondary);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(122, 158, 126, 0.25);
}

.card-company .card-header {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    color: white;
    border-bottom: none;
}

.card-company .card-header .text-muted {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* ============================================================
   6. FORMS
   ============================================================ */

.form-control {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    transition: all var(--transition-fast);
    color: var(--color-text);
}

.form-control::placeholder {
    color: var(--color-text-light);
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(199, 91, 57, 0.15);
    background-color: var(--color-card);
    outline: none;
}

.form-label {
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.form-text {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ============================================================
   7. ALERTS
   ============================================================ */

.alert {
    border-radius: var(--radius-md);
    border: none;
    padding: var(--space-4);
}

.alert-danger {
    background-color: rgba(199, 77, 77, 0.1);
    color: var(--color-error);
}

.alert-success {
    background-color: rgba(93, 155, 100, 0.1);
    color: var(--color-success);
}

.alert-warning {
    background-color: rgba(212, 168, 75, 0.15);
    color: var(--color-warning);
}

.alert-info {
    background-color: rgba(91, 138, 199, 0.1);
    color: var(--color-info);
}

/* ============================================================
   8. DROPDOWN
   ============================================================ */

.dropdown-menu {
    background-color: var(--color-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2);
}

.dropdown-item {
    border-radius: var(--radius-sm);
    padding: var(--space-2) var(--space-4);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background-color: rgba(199, 91, 57, 0.08);
    color: var(--color-primary);
}

.dropdown-item.text-danger {
    color: var(--color-error) !important;
}

.dropdown-item.text-danger:hover {
    background-color: rgba(199, 77, 77, 0.1);
}

.dropdown-item.text-warning {
    color: var(--color-accent) !important;
}

.dropdown-item.text-warning:hover {
    background-color: rgba(212, 168, 75, 0.1);
}

.dropdown-divider {
    border-color: var(--color-border-light);
}

/* ============================================================
   9. CHAT INTERFACE
   ============================================================ */

.chat-container {
    /* `dvh` tracks the currently visible viewport (mobile URL bars, etc.).
       Offset only covers the navbar (~67px) plus the small breathing-room
       padding above the card (var(--space-2)). Global footer and outer
       page padding are suppressed on the chat page. */
    height: calc(100dvh - 80px);
    min-height: 400px;
    display: flex;
    flex-direction: column;
    position: relative; /* anchor for .jump-to-latest pill */
}

/* Chat page: hide the global site footer so the conversation owns the
   viewport. Privacy reassurance is relocated to .chat-encryption in the
   card-header. */
body.chat-page > footer {
    display: none;
}

/* Chat page: small breathing room below the navbar in lieu of py-3. */
body.chat-page main > .container-fluid {
    padding-top: var(--space-2);
    padding-bottom: 0;
}

/* Header meta row — small, muted, editorial. Houses the session-reset note
   (free tier) and the encryption affordance. */
.chat-meta {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: 2px;
    line-height: 1.4;
}

.chat-meta-sep {
    color: var(--color-border);
}

.chat-encryption {
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
    color: var(--color-text-muted);
    cursor: help;
}

.chat-encryption .bi-shield-lock {
    font-size: 0.95em;
    /* Faint warm tint ties the badge to the brand without shouting. */
    color: var(--color-secondary, var(--color-text-muted));
    opacity: 0.85;
}

.chat-encryption-label {
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.01em;
}

@media (max-width: 480px) {
    /* Icon-only at the smallest widths to keep the header line uncluttered. */
    .chat-encryption-label {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
    /* Reserve space at the bottom so the floating "Jump to latest" pill
       never visually covers the most-recent line of streamed text. */
    padding-bottom: var(--space-12);
}

/* Custom Scrollbar */
.chat-messages::-webkit-scrollbar {
    width: 8px;
}

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

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

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-light);
}

/* "Jump to latest" pill
   Appears while Sam is streaming and the user has scrolled up to re-read
   earlier text. The pill is a soft cream card that lifts out of the
   conversation surface — warm, quiet, editorial — rather than the stark
   black notification bubble most chat UIs ship. The down-arrow icon bobs
   gently to signal "fresh content arriving below" without pulling focus. */

.jump-to-latest {
    position: absolute;
    bottom: var(--space-5);
    left: 50%;

    display: inline-flex;
    align-items: center;
    gap: var(--space-2);

    padding: var(--space-2) var(--space-4);

    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.01em;
    color: var(--color-text);
    line-height: 1;
    white-space: nowrap;

    background: var(--color-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-full);

    /* Layered shadow: soft drop + a faint warm terracotta glow that ties
       the pill to the brand without shouting. */
    box-shadow:
        var(--shadow-md),
        0 8px 24px rgba(199, 91, 57, 0.10);

    cursor: pointer;
    user-select: none;
    z-index: 5;

    /* Hidden state. Visibility prevents focus capture; pointer-events ensures
       the pill never intercepts clicks while invisible. */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate(-50%, 8px);

    transition:
        opacity var(--transition-normal),
        transform var(--transition-normal),
        box-shadow var(--transition-fast),
        background-color var(--transition-fast),
        border-color var(--transition-fast);
}

.jump-to-latest--visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.jump-to-latest:hover {
    background-color: var(--color-background);
    border-color: var(--color-primary-light);
    box-shadow:
        var(--shadow-lg),
        0 10px 28px rgba(199, 91, 57, 0.18);
    transform: translate(-50%, -2px);
}

.jump-to-latest:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.jump-to-latest:active {
    transform: translate(-50%, 0);
    box-shadow: var(--shadow-sm);
}

.jump-to-latest__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    color: var(--color-card);
    flex-shrink: 0;
    /* Gentle bob animation telegraphs "more content arriving below" without
       being attention-grabbing. Subdued amplitude (2px) keeps it calm. */
    animation: jumpToLatestBob 1.8s ease-in-out infinite;
}

.jump-to-latest__icon svg {
    display: block;
}

.jump-to-latest__label {
    /* Optical alignment with the icon. */
    padding-bottom: 1px;
}

@keyframes jumpToLatestBob {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(2px);
    }
}

/* Dark theme already overrides --color-card, --color-border-light, etc.,
   so the pill adapts automatically. The terracotta glow rgba is a fixed
   color value that reads warmly against both parchment and dark surfaces. */

@media (prefers-reduced-motion: reduce) {
    .jump-to-latest {
        transition: opacity var(--transition-fast);
    }
    .jump-to-latest,
    .jump-to-latest:hover,
    .jump-to-latest--visible,
    .jump-to-latest:active {
        transform: translate(-50%, 0);
    }
    .jump-to-latest__icon {
        animation: none;
    }
}

@media (max-width: 768px) {
    .jump-to-latest {
        bottom: var(--space-3);
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-size-xs);
    }
    .jump-to-latest__icon {
        width: 18px;
        height: 18px;
    }
}

/* Message Wrapper */
.message-wrapper {
    display: flex;
    margin-bottom: var(--space-4);
    animation: fadeInUp 0.3s ease-out;
}

.message-wrapper.user {
    justify-content: flex-end;
}

/* Message Bubbles */
.message {
    max-width: 80%;
    word-wrap: break-word;
    position: relative;
}

.message-user {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border-radius: var(--radius-xl) var(--radius-xl) var(--radius-sm) var(--radius-xl);
    padding: var(--space-3) var(--space-4);
}

.message-assistant {
    background-color: #FAF8F5;
    border-left: 3px solid var(--color-secondary);
    border-radius: var(--radius-sm) var(--radius-xl) var(--radius-xl) var(--radius-xl);
    padding: var(--space-3) var(--space-4);
}

[data-theme="dark"] .message-assistant {
    background-color: #2A2724;
}

.message-content {
    line-height: var(--line-height-relaxed);
}

/* Message Copy Button */
.message-copy-btn {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    background: transparent;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast);
    padding: var(--space-1);
    border-radius: var(--radius-sm);
}

.message:hover .message-copy-btn {
    opacity: 1;
}

.message-copy-btn:hover {
    color: var(--color-text);
    background-color: rgba(0, 0, 0, 0.1);
}

.message-user .message-copy-btn {
    color: rgba(255, 255, 255, 0.7);
}

.message-user .message-copy-btn:hover {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
}

/* Markdown Styling in Assistant Messages */
.message-assistant .message-content p {
    margin-bottom: var(--space-3);
}

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

.message-assistant .message-content h1,
.message-assistant .message-content h2,
.message-assistant .message-content h3 {
    font-family: var(--font-display);
    margin-top: var(--space-4);
    margin-bottom: var(--space-2);
    font-weight: var(--font-weight-semibold);
}

.message-assistant .message-content h1 { font-size: var(--font-size-2xl); }
.message-assistant .message-content h2 { font-size: var(--font-size-xl); }
.message-assistant .message-content h3 { font-size: var(--font-size-lg); }

.message-assistant .message-content ul,
.message-assistant .message-content ol {
    margin-bottom: var(--space-3);
    padding-left: var(--space-6);
}

.message-assistant .message-content li {
    margin-bottom: var(--space-1);
}

.message-assistant .message-content code {
    background-color: rgba(45, 42, 38, 0.08);
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
}

.message-assistant .message-content pre {
    background-color: #1e1e1e;
    color: #d4d4d4;
    padding: var(--space-4);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--space-3);
}

.message-assistant .message-content pre code {
    background-color: transparent;
    padding: 0;
    color: inherit;
}

.message-assistant .message-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-3);
    font-size: var(--font-size-sm);
}

.message-assistant .message-content th,
.message-assistant .message-content td {
    border: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-3);
    text-align: left;
}

.message-assistant .message-content th {
    background-color: var(--color-border-light);
    font-weight: var(--font-weight-semibold);
}

.message-assistant .message-content blockquote {
    border-left: 4px solid var(--color-secondary);
    padding-left: var(--space-4);
    margin: var(--space-3) 0;
    color: var(--color-text-muted);
}

.message-assistant .message-content strong {
    font-weight: var(--font-weight-semibold);
}

.message-assistant .message-content hr {
    margin: var(--space-4) 0;
    border: 0;
    border-top: 1px solid var(--color-border-light);
}

/* Typing Indicator */
.typing-indicator {
    display: none;
}

.typing-indicator.show {
    display: flex;
}

.typing-indicator .message-assistant {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-3) var(--space-4);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background-color: var(--color-secondary);
    border-radius: 50%;
    animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(1) { animation-delay: 0s; }
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

/* Welcome State */
.chat-welcome {
    text-align: center;
    padding: var(--space-12) var(--space-4);
    color: var(--color-text-muted);
}

.chat-welcome-icon {
    font-size: 3.5rem;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.chat-welcome h5 {
    font-family: var(--font-display);
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

/* Suggested Prompts */
.suggested-prompts {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-6);
}

.suggested-prompt {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.suggested-prompt:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: rgba(199, 91, 57, 0.05);
}

/* Button Loading State */
.btn-loading {
    pointer-events: none;
    position: relative;
}

.btn-loading .btn-loading__spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: btnSpin 0.6s linear infinite;
    vertical-align: middle;
    margin-right: var(--space-2);
}

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

/* Conversation Deleting State */
.conversation-deleting {
    opacity: 0.5;
    pointer-events: none;
}

.conversation-deleting .btn-loading__spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: btnSpin 0.6s linear infinite;
    vertical-align: middle;
    margin-right: var(--space-2);
}

/* First-Time Prompt */
#messageInput.first-time-prompt {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-normal);
}

#messageInput.first-time-prompt::placeholder {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
}

/* Chat Input */
#chatForm {
    align-items: flex-end;
}

#chatForm textarea.form-control {
    resize: none;
    overflow-y: hidden;
}

.chat-input-wrapper {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-4);
    background-color: var(--color-card);
    border-top: 1px solid var(--color-border-light);
}

.chat-input-wrapper .form-control {
    flex: 1;
}

/* ============================================================
   10. HERO SECTION
   ============================================================ */

.hero {
    background: linear-gradient(135deg, var(--color-background) 0%, #EDE8E2 100%);
    padding: var(--space-16) 0;
    text-align: center;
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, var(--color-background) 0%, #2A2622 100%);
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-4);
    animation: fadeInUp 0.6s ease-out;
}

.hero-title .text-primary {
    color: var(--color-primary) !important;
}

.hero-promise {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-style: italic;
    color: var(--color-primary);
    max-width: 500px;
    margin: 0 auto var(--space-6);
    animation: fadeInUp 0.6s ease-out 0.15s both;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto var(--space-8);
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-cta {
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

/* ============================================================
   11. FOOTER
   ============================================================ */

/* Scoped to direct body child so in-content <footer> elements
   (e.g. .blog-article-foot, .blog-foot) don't inherit the gradient bar. */
body > footer {
    background-color: var(--color-card);
    border-top: 1px solid var(--color-border-light);
    padding: var(--space-6) 0;
    position: relative;
}

body > footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
}

body > footer .text-muted {
    color: var(--color-text-muted) !important;
}

/* ============================================================
   12. AUTH PAGES
   ============================================================ */

.auth-card {
    max-width: 420px;
    margin: 0 auto;
}

.auth-card .card-body {
    padding: var(--space-8);
}

.auth-card h2 {
    font-family: var(--font-display);
    text-align: center;
    margin-bottom: var(--space-6);
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--space-6) 0;
    color: var(--color-text-muted);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-border-light);
}

.auth-divider span {
    padding: 0 var(--space-4);
    font-size: var(--font-size-sm);
}

/* OAuth Buttons */
.btn-oauth {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-3);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

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

.btn-google:hover {
    background-color: #f8f9fa;
    border-color: var(--color-text-light);
}

.btn-apple {
    background-color: #000;
    border: 1px solid #000;
    color: white;
}

.btn-apple:hover {
    background-color: #333;
}

/* OAuth-only Email Hint
   Shown on login/register when the submitted email is tied to an OAuth-only
   account. Sage left rule + sage-to-amber wash signals "guidance" rather
   than alarm — distinct from .alert-danger's terracotta error tone. */
.oauth-hint {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    background: linear-gradient(135deg,
        rgba(122, 158, 126, 0.10) 0%,
        rgba(212, 168, 75, 0.08) 100%);
    border-left: 3px solid var(--color-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-5);
    margin-bottom: var(--space-5);
    color: var(--color-text);
}

.oauth-hint__icon {
    flex-shrink: 0;
    color: var(--color-accent-dark);
    font-size: var(--font-size-xl);
    line-height: 1;
    margin-top: 0.15em;
}

.oauth-hint__body {
    flex: 1;
    min-width: 0;
}

.oauth-hint__lead {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    color: var(--color-text);
    margin: 0 0 var(--space-1) 0;
    line-height: var(--line-height-tight);
}

.oauth-hint__text {
    margin: 0;
    color: var(--color-text-muted);
    line-height: var(--line-height-normal);
}

.oauth-hint__text strong {
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
}

.oauth-hint__escape {
    text-align: center;
    margin: var(--space-5) 0 var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

[data-theme="dark"] .oauth-hint {
    background: linear-gradient(135deg,
        rgba(154, 184, 157, 0.14) 0%,
        rgba(228, 196, 122, 0.10) 100%);
    border-left-color: var(--color-secondary-light);
}

[data-theme="dark"] .oauth-hint__icon {
    color: var(--color-accent-light);
}

/* Emphasized OAuth button — guides the user to the right door.
   Layered shadow keeps the existing .btn-google / .btn-apple border;
   amber glow harmonizes with .badge-pro's pulse but slower and softer. */
.btn-oauth--emphasized {
    box-shadow:
        0 0 0 1px var(--color-accent),
        var(--shadow-md),
        0 0 14px rgba(212, 168, 75, 0.28);
    animation: oauthHintPulse 2.4s ease-in-out infinite;
}

.btn-oauth--emphasized:hover {
    box-shadow:
        0 0 0 1px var(--color-accent-dark),
        var(--shadow-lg),
        0 0 22px rgba(212, 168, 75, 0.45);
}

@keyframes oauthHintPulse {
    0%, 100% {
        box-shadow:
            0 0 0 1px var(--color-accent),
            var(--shadow-md),
            0 0 14px rgba(212, 168, 75, 0.28);
    }
    50% {
        box-shadow:
            0 0 0 1px var(--color-accent),
            var(--shadow-md),
            0 0 24px rgba(212, 168, 75, 0.5);
    }
}

[data-theme="dark"] .btn-oauth--emphasized {
    box-shadow:
        0 0 0 1px var(--color-accent-light),
        var(--shadow-md),
        0 0 18px rgba(228, 196, 122, 0.4);
}

@media (prefers-reduced-motion: reduce) {
    .btn-oauth--emphasized {
        animation: none;
    }
}

/* Password Reset Flow
   Sage-rooted components for the forgot/reset pages: a circular hero mark
   above each form (signaling "protection"), a generous prose block, a
   quiet meta-facts list, and a success banner that echoes oauth-hint's
   visual vocabulary without the amber wash (which reads as guidance — we
   want completion). Terracotta remains the primary-action color so the CTA
   buttons continue to read as belonging to the same system. */

.reset-hero {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-5);
    animation: resetHeroReveal 600ms var(--transition-slow) both;
}

.reset-hero__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: var(--radius-full);
    background:
        radial-gradient(circle at 30% 30%,
            rgba(122, 158, 126, 0.22) 0%,
            rgba(122, 158, 126, 0.08) 60%,
            transparent 100%),
        linear-gradient(135deg,
            rgba(122, 158, 126, 0.16) 0%,
            rgba(212, 168, 75, 0.10) 100%);
    color: var(--color-primary);
    font-size: 1.9rem;
    line-height: 1;
    box-shadow:
        inset 0 0 0 1px rgba(122, 158, 126, 0.35),
        0 6px 18px rgba(122, 158, 126, 0.20);
}

.reset-hero--sent .reset-hero__mark {
    color: var(--color-secondary-dark);
    background:
        radial-gradient(circle at 30% 30%,
            rgba(122, 158, 126, 0.30) 0%,
            rgba(122, 158, 126, 0.10) 60%,
            transparent 100%),
        linear-gradient(135deg,
            rgba(122, 158, 126, 0.22) 0%,
            rgba(154, 184, 157, 0.15) 100%);
    box-shadow:
        inset 0 0 0 1px rgba(122, 158, 126, 0.45),
        0 8px 22px rgba(122, 158, 126, 0.25);
}

.reset-hero--expired .reset-hero__mark {
    color: var(--color-text-muted);
    background:
        linear-gradient(135deg,
            rgba(107, 101, 96, 0.12) 0%,
            rgba(107, 101, 96, 0.06) 100%);
    box-shadow:
        inset 0 0 0 1px rgba(107, 101, 96, 0.25),
        0 4px 12px rgba(45, 42, 38, 0.08);
}

[data-theme="dark"] .reset-hero__mark {
    color: var(--color-primary-light);
    box-shadow:
        inset 0 0 0 1px rgba(154, 184, 157, 0.35),
        0 6px 18px rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] .reset-hero--sent .reset-hero__mark {
    color: var(--color-secondary-light);
}

[data-theme="dark"] .reset-hero--expired .reset-hero__mark {
    color: var(--color-text-light);
    background:
        linear-gradient(135deg,
            rgba(184, 178, 172, 0.10) 0%,
            rgba(184, 178, 172, 0.04) 100%);
}

@keyframes resetHeroReveal {
    from {
        opacity: 0;
        transform: translateY(8px) scale(0.92);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Comfortable reading block — slightly warmer line-height than default. */
.auth-prose {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text);
    margin: 0 0 var(--space-5);
}

.auth-prose--muted {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* Meta-facts list on the "check your inbox" confirmation page. */
.reset-meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-4);
    margin: 0 0 var(--space-5);
    background-color: rgba(122, 158, 126, 0.06);
    border: 1px solid rgba(122, 158, 126, 0.18);
    border-radius: var(--radius-md);
}

.reset-meta__row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.reset-meta__row i {
    color: var(--color-secondary-dark);
    font-size: 1rem;
    line-height: 1;
    flex-shrink: 0;
}

[data-theme="dark"] .reset-meta {
    background-color: rgba(154, 184, 157, 0.08);
    border-color: rgba(154, 184, 157, 0.20);
}

[data-theme="dark"] .reset-meta__row i {
    color: var(--color-secondary-light);
}

/* Forgot-password link under the password field on /auth/login. */
.forgot-password-link {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.forgot-password-link:hover,
.forgot-password-link:focus {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Post-reset success banner on /auth/login — sage palette for completion,
   distinct from .oauth-hint (guidance) and .alert-danger (attention). */
.reset-success {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    background-color: rgba(122, 158, 126, 0.10);
    border-left: 3px solid var(--color-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-5);
    margin-bottom: var(--space-5);
    color: var(--color-text);
    animation: resetHeroReveal 600ms var(--transition-slow) both;
}

.reset-success__icon {
    flex-shrink: 0;
    color: var(--color-secondary-dark);
    font-size: var(--font-size-xl);
    line-height: 1;
    margin-top: 0.1em;
}

.reset-success__body {
    flex: 1;
    min-width: 0;
}

.reset-success__lead {
    font-family: var(--font-display);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    color: var(--color-text);
    margin: 0 0 var(--space-1) 0;
    line-height: var(--line-height-tight);
}

.reset-success__text {
    margin: 0;
    color: var(--color-text-muted);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-sm);
}

[data-theme="dark"] .reset-success {
    background-color: rgba(154, 184, 157, 0.14);
    border-left-color: var(--color-secondary-light);
}

[data-theme="dark"] .reset-success__icon {
    color: var(--color-secondary-light);
}

@media (prefers-reduced-motion: reduce) {
    .reset-hero,
    .reset-success {
        animation: none;
    }
}

/* ============================================================
   13. PRICING PAGE
   ============================================================ */

.pricing-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.pricing-card .card-body {
    flex: 1;
}

.pricing-amount {
    font-family: var(--font-display);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
}

.pricing-period {
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pricing-features li {
    padding: var(--space-2) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    color: var(--color-text);
}

.pricing-features li span {
    color: var(--color-text);
}

.pricing-features li i {
    margin-top: 2px;
}

.pricing-features .text-success {
    color: var(--color-success) !important;
}

.pricing-features .text-muted {
    color: var(--color-text-light) !important;
}

.trust-signals {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.trust-signals i {
    color: var(--color-secondary);
}

/* Accordion Dark Mode */
.accordion-item {
    background-color: var(--color-card);
    border-color: var(--color-border-light);
}

.accordion-button {
    background-color: var(--color-card);
    color: var(--color-text);
}

.accordion-button:not(.collapsed) {
    background-color: rgba(199, 91, 57, 0.08);
    color: var(--color-primary);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(199, 91, 57, 0.15);
    border-color: var(--color-primary);
}

.accordion-button::after {
    filter: none;
}

[data-theme="dark"] .accordion-button::after {
    filter: invert(1);
}

.accordion-body {
    background-color: var(--color-card);
    color: var(--color-text);
}

/* Card Pro header - ensure contrast */
.card-pro .card-header {
    color: #2D2A26;
}

.card-pro .card-header .text-muted {
    color: rgba(45, 42, 38, 0.7) !important;
}

/* Alternate section background */
.section-alt {
    background-color: var(--color-border-light);
}

[data-theme="dark"] .section-alt {
    background-color: #252220;
}

/* Links in dark mode assistant messages need higher contrast */
[data-theme="dark"] .message-assistant .message-content a {
    color: #E8A48E;
}

[data-theme="dark"] .message-assistant .message-content a:hover {
    color: #F0C0AE;
}

/* Inline code in dark mode */
[data-theme="dark"] .message-assistant .message-content code {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Table headers in dark mode */
[data-theme="dark"] .message-assistant .message-content th {
    background-color: var(--color-border);
}

/* All assistant message text readable in dark mode */
[data-theme="dark"] .message-assistant .message-content {
    color: var(--color-text);
}

[data-theme="dark"] .message-assistant .message-content del {
    color: var(--color-text-muted);
}

[data-theme="dark"] .message-assistant .message-content mark {
    background-color: rgba(212, 168, 75, 0.3);
    color: var(--color-text);
}

[data-theme="dark"] .message-assistant .message-content input[type="checkbox"] {
    accent-color: var(--color-primary);
}

[data-theme="dark"] .message-assistant .message-content img {
    color: var(--color-text-muted);
}

/* List items text ensure readability */
.list-unstyled li {
    color: var(--color-text);
}

/* Strong/bold text in cards */
.card strong,
.pricing-features strong {
    color: var(--color-text);
}

/* Google button in dark mode */
[data-theme="dark"] .btn-google {
    background-color: var(--color-card);
    border-color: var(--color-border);
    color: var(--color-text);
}

[data-theme="dark"] .btn-google:hover {
    background-color: var(--color-border-light);
    border-color: var(--color-border);
}

/* Alert close button in dark mode */
[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Form inputs in dark mode */
[data-theme="dark"] .form-control {
    color: var(--color-text);
    background-color: var(--color-card);
    border-color: var(--color-border);
}

[data-theme="dark"] .form-control::placeholder {
    color: var(--color-text-light);
}

/* List group in dark mode */
[data-theme="dark"] .list-group-item {
    background-color: var(--color-card);
    border-color: var(--color-border);
    color: var(--color-text);
}

/* Modal in dark mode */
[data-theme="dark"] .modal-content {
    background-color: var(--color-card);
    border-color: var(--color-border);
    color: var(--color-text);
}

/* Table in dark mode */
[data-theme="dark"] .table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--color-text);
    --bs-table-hover-color: var(--color-text);
    --bs-table-hover-bg: rgba(255, 255, 255, 0.05);
    color: var(--color-text);
    border-color: var(--color-border);
}

/* Subscription card in dark mode */
.card-subscription {
    background-color: var(--color-background);
}

[data-theme="dark"] .card-subscription {
    background-color: var(--color-section-alt);
}

/* Ensure all paragraph text is readable */
p {
    color: var(--color-text);
}

p.text-muted,
.text-muted p {
    color: var(--color-text-muted) !important;
}

/* Card body text */
.card-body p {
    color: var(--color-text);
}

.card-body .text-muted {
    color: var(--color-text-muted) !important;
}

/* ============================================================
   14. EDITABLE TITLE (Inline Rename)
   ============================================================ */

.editable-title {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.editable-title__display {
    border-bottom: 1px dashed transparent;
    transition: border-color var(--transition-fast);
}

.editable-title__placeholder {
    color: var(--color-text-light);
    font-style: italic;
}

.editable-title:hover .editable-title__display {
    border-bottom-color: var(--color-border);
}

.editable-title__icon {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.editable-title:hover .editable-title__icon {
    opacity: 1;
}

.editable-title__input {
    display: none;
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
    color: var(--color-text);
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--color-secondary);
    outline: none;
    padding: 0 0 1px 0;
    min-width: 120px;
    width: 42ch;
    max-width: min(450px, calc(100vw - 100px));
}

.editable-title--editing .editable-title__display,
.editable-title--editing .editable-title__icon {
    display: none;
}

.editable-title--editing .editable-title__input {
    display: inline-block;
}

.editable-title__counter {
    display: none;
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    white-space: nowrap;
    position: absolute;
    bottom: -18px;
    left: 0;
}

.editable-title--editing .editable-title__counter {
    display: inline-block;
    animation: fadeIn 0.15s ease-out;
}

.editable-title__counter--warning {
    color: var(--color-warning) !important;
}

.editable-title__counter--limit {
    color: var(--color-error) !important;
}

/* Success flash */
.editable-title--success .editable-title__display {
    color: var(--color-success);
    transition: color 0.3s ease;
}

/* Error shake */
@keyframes editableShake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-3px); }
    40%, 80% { transform: translateX(3px); }
}

.editable-title--error {
    animation: editableShake 0.4s ease;
}

.editable-title--error .editable-title__display {
    color: var(--color-error);
    transition: color 0.3s ease;
}

/* History page: prevent link navigation while editing */
.list-group-item.editing {
    pointer-events: none;
}

.list-group-item.editing .editable-title,
.list-group-item.editing .editable-title__input {
    pointer-events: auto;
}

/* Dark mode */
[data-theme="dark"] .editable-title__input {
    color: var(--color-text);
    border-bottom-color: var(--color-secondary-light);
}

/* ============================================================
   15. ANIMATIONS
   ============================================================ */

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fadeInUp {
    animation: fadeInUp 0.5s ease-out;
}

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

/* Staggered animation for feature cards */
.feature-card:nth-child(1) { animation: fadeInUp 0.5s ease-out 0.1s both; }
.feature-card:nth-child(2) { animation: fadeInUp 0.5s ease-out 0.2s both; }
.feature-card:nth-child(3) { animation: fadeInUp 0.5s ease-out 0.3s both; }

/* ============================================================
   16. UTILITIES
   ============================================================ */

.text-primary {
    color: var(--color-primary) !important;
}

.text-secondary {
    color: var(--color-secondary) !important;
}

.text-accent {
    color: var(--color-accent) !important;
}

.bg-primary {
    background-color: var(--color-primary) !important;
}

.border-primary {
    border-color: var(--color-primary) !important;
}

/* ============================================================
   17. RESPONSIVE ADJUSTMENTS
   ============================================================ */

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 2rem;
    }

    .chat-container {
        height: calc(100dvh - 70px);
    }

    .message {
        max-width: 90%;
    }

    .hero {
        padding: var(--space-10) 0;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .auth-card .card-body {
        padding: var(--space-5);
    }

    .suggested-prompts {
        flex-direction: column;
        align-items: center;
    }

    #messageInput.first-time-prompt {
        font-size: var(--font-size-base);
    }
}

/* ============================================================
   18. PRINT STYLES
   ============================================================ */

@media print {
    .navbar,
    footer,
    .btn,
    .theme-toggle {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }
}