/*
   =================================================================
   Shared Styles — VoIP Guru AI Platform
   Brand-book v4: Dark Theme with Gold Accent
   =================================================================
*/

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700;800&display=swap');

/* ── Design Tokens ── */
:root {
    /* Rostelecom Brand Colors */
    --rt-orange: #FF4F12;
    --rt-purple: #D4AF37;
    --rt-blue: #00C8FF;
    --rt-dark: #191919;
    --rt-gray: #F5F5F7;
    --rt-gray-dark: #999999;

    /* Palette - Dark Theme */
    --bg-start: #1a1d21;
    --bg-end:   #24282e;
    --glass-bg: rgba(30, 34, 40, 0.8);
    --glass-border: rgba(212, 175, 55, 0.15);
    --glass-shadow: 0 8px 32px 0 rgba(212, 175, 55, 0.1);
    --bg-surface: #2a2f36;
    --bg-surface-2: #343a42;
    --border-color: #3d444d;
    --accent:       #D4AF37;
    --accent-hover: #E5C156;
    --accent-light: #3d3a2e;
    --accent-glow:  rgba(212,175,55,0.2);

    /* Text colors */
    --text-primary:   #E8E8E8;
    --text-primary-alt: #F0F0F0;
    --text-secondary: #A0A0A0;
    --text-muted:     #6B6B6B;
    --text-on-dark:   #1a1d21;
    --text-on-accent: #1a1d21;

    --danger-color:  #FF3B30;
    --success-color: #34C759;
    --warning-color: #FF9500;
    --card-shadow:   0 4px 24px rgba(212,175,55,0.08);
    --card-shadow-hover: 0 12px 40px rgba(212,175,55,0.15);
    --nav-height: 68px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: 0.25s cubic-bezier(.4,0,.2,1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(-45deg, #1a1d21, #24282e, #2a2f36, #1a1d21);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    color: var(--text-primary);
    font-family: 'Manrope', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

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

/* --- Layout --- */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Particles Canvas */
.hero-particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* --- Navigation --- */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-height);
    background: rgba(26, 29, 33, 0.95);
    backdrop-filter: blur(18px) saturate(180%);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: box-shadow var(--transition);
}
nav.scrolled { box-shadow: 0 4px 20px rgba(192,192,192,0.12); }

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.02em;
}

.logo-icon {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, #B8941F 0%, #D4AF37 100%);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: #1a1d21; font-size: 1rem;
    box-shadow: 0 4px 12px rgba(212,175,55,0.3);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-links { display: flex; gap: 2rem; list-style: none; }

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color var(--transition);
    cursor: pointer;
    position: relative;
    padding-bottom: 2px;
    font-family: 'Manrope', system-ui, sans-serif;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: width var(--transition);
}
.nav-link:hover { color: var(--accent); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--accent); font-weight: 700; }

/* Language Dropdown */
.lang-dropdown {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    cursor: pointer;
    transition: all var(--transition);
    color: var(--text-secondary);
}

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

.flag {
    font-size: 1.1rem;
}

.lang-arrow {
    font-size: 0.6rem;
    transition: transform var(--transition);
}

.lang-dropdown.active .lang-arrow {
    transform: rotate(180deg);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--card-shadow-hover);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition);
    z-index: 1001;
    overflow: hidden;
}

.lang-dropdown.active .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition);
    font-size: 0.9rem;
}

.lang-item:hover {
    background: var(--accent-light);
    color: var(--accent);
}

.lang-item .flag {
    font-size: 1.2rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--accent);
    color: var(--text-on-accent);
    font-weight: 600;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    border: none;
    font-size: 0.95rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}
.btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}
.btn:active { transform: translateY(0); box-shadow: none; }

.btn-primary { background: var(--accent); color: var(--text-on-accent); }
.btn-primary:hover {
    background: linear-gradient(135deg, #B8941F 0%, #D4AF37 100%);
    box-shadow: 0 8px 24px rgba(212,175,55,0.3);
}

.btn-secondary {
    background: var(--bg-surface-2);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--text-on-accent);
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--accent);
    border: 1.5px solid var(--accent);
}
.btn-ghost:hover { background: var(--accent-light); }

.btn-nav {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* Brand-book: Magnetic Button */
.btn-magnetic {
    transition: transform 0.3s cubic-bezier(.34,1.56,.64,1), box-shadow var(--transition);
}
.btn-magnetic:hover { transform: translateY(-3px); }

@keyframes soundPulse {
    0%  { box-shadow: 0 0 0 0 rgba(212,175,55,0.55); }
    100%{ box-shadow: 0 0 0 18px rgba(212,175,55,0); }
}
.pulse-once { animation: soundPulse 0.42s ease-out forwards; }

/* --- Hero Section --- */
header {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    padding-top: 0;
    position: relative;
    z-index: 1;
    margin-top: calc(var(--nav-height) / 3);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    color: var(--text-primary);
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    font-weight: 300;
}

.btn-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero Wave Decoration */
.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    line-height: 0;
    z-index: 1;
}

/* --- Marquee --- */
.marquee-wrapper {
    overflow: hidden;
    padding: 2rem 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    margin-top: -250px;
    margin-bottom: 4rem;
    /* Тёмная стеклянная полоса вместо белой — светлый текст снова читается */
    background: rgba(26, 29, 33, 0.72);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    position: relative;
    z-index: 2;
}

.marquee-content {
    display: flex;
    gap: 4rem;
    animation: scroll 30s linear infinite;
}

.marquee-item {
    font-size: 1rem;
    color: var(--text-secondary);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.marquee-item::before {
    content: '•';
    color: var(--accent);
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* --- Section Styling --- */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* --- Stats Grid --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
    background: var(--bg-surface);
    padding: 4rem 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* --- Products Grid --- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.product-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    padding: 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.product-card::before {
    content: '';
    position: absolute;
    inset: 0; border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(212,175,55,0.04) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition);
}
.product-card:hover::before { opacity: 1; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }

.card-icon {
    width: 52px; height: 52px;
    background: var(--accent-light);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--accent); font-size: 1.5rem;
    transition: background var(--transition), transform var(--transition);
    box-shadow: 0 4px 12px rgba(212,175,55,0.15);
}
.product-card:hover .card-icon {
    background: linear-gradient(135deg, #B8941F 0%, #D4AF37 100%);
    color: #1a1d21;
    transform: scale(1.08);
}
.card-title {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}
.card-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex: 1;
    line-height: 1.7;
    font-weight: 400;
}
.card-link {
    margin-top: 1.25rem;
    color: var(--accent);
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 4px;
    letter-spacing: -0.01em;
}

.card-link:hover { gap: 0.6rem; }

/* --- Cards --- */
.card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    padding: 24px;
    width: 100%;
    margin-bottom: 24px;
    overflow: hidden;
}
.card:hover {
    box-shadow: var(--card-shadow-hover);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.card-header.collapsible { cursor: pointer; user-select: none; }

.card-title {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}
.collapse-btn {
    background: none; border: none;
    color: var(--text-secondary);
    cursor: pointer; font-size: 20px;
    transition: transform 0.3s;
}
.collapsed .card-body { display: none; }
.collapsed .collapse-btn { transform: rotate(-90deg); }

.card-body {
    padding: 0;
}

.card-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex-grow: 1;
}

/* --- Process --- */
.process-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.process-item {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    /* Тёмная стеклянная карточка: почти-белые заголовки больше не пропадают */
    background: var(--glass-bg);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.process-item:hover {
    border-color: var(--accent);
    background: var(--bg-surface-2);
    transform: translateY(-3px);
    box-shadow: var(--card-shadow-hover);
}

.process-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    opacity: 0.5;
}

.process-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.process-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* --- Fallback Notice --- */
.fallback-notice {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    border-radius: 8px;
    color: #9a3412;
    font-size: 0.9rem;
}

/* --- Footer --- */
footer {
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    background: rgba(42, 47, 54, 0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.8rem;
}

.footer-col a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* --- Utilities --- */
.hidden {
    display: none !important;
}

.admin-only,
.criteria-only {
    /* Visibility controlled by JS based on role */
}

.loader {
    width: 20px;
    height: 20px;
    border: 2px solid #FFF;
    border-bottom-color: transparent;
    border-radius: 50%;
    animation: rotation 1s linear infinite;
    display: inline-block;
    margin-left: 8px;
    vertical-align: middle;
}

@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================================
   QM Agent Specific Styles
   ============================================================ */

/* --- App Header --- */
.app-header {
    text-align: center;
    margin-top: calc(var(--nav-height) + 2rem);
    margin-bottom: 2rem;
}

.app-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.app-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 400;
}

/* --- Upload Progress Container --- */
.upload-progress-container {
    position: relative;
    padding: 40px;
    background: var(--bg-surface-2);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    margin-bottom: 20px;
}

.upload-progress-container:hover {
    border-color: var(--accent);
    background: rgba(212, 175, 55, 0.05);
}

.upload-progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: rgba(212, 175, 55, 0.1);
    border-radius: var(--radius-lg);
    transition: width 0.3s ease;
    pointer-events: none;
}

.upload-progress-text {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--text-primary);
    font-size: 1rem;
}

#progressPercent {
    font-weight: 700;
    color: var(--accent);
}

/* --- File Name Display --- */
.file-name-display {
    text-align: center;
    padding: 12px 20px;
    background: var(--bg-surface-2);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 0.9rem;
}

.file-name {
    font-weight: 600;
    color: var(--text-primary);
}

.file-status {
    color: var(--text-secondary);
}

.separator {
    color: var(--border-color);
}

/* --- File Item --- */
.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-surface-2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    transition: all var(--transition);
}

.file-item:hover {
    border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.1);
}

.file-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.file-meta {
    font-size: 12px;
    color: var(--text-secondary);
}

.status-waiting {
    color: var(--text-muted);
}

.status-processing {
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 5px;
}

.status-completed {
    color: var(--success-color);
}

.status-error {
    color: var(--danger-color);
}

.spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(212, 175, 55, 0.15);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* --- Split Container --- */
.split-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 24px;
}

@media (max-width: 768px) {
    .split-container {
        grid-template-columns: 1fr;
    }
}

/* --- Media Preview --- */
.media-preview {
    background: #000;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    position: relative;
    overflow: hidden;
}

.media-player {
    width: 100%;
    max-height: 100%;
}

/* --- Config Section --- */
.config-section {
    margin-bottom: 24px;
}

.config-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

/* --- Criteria Container --- */
.criteria-container {
    margin-top: 16px;
}

.criteria-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 12px;
    padding: 12px;
    background: var(--bg-surface-2);
    border-radius: var(--radius-sm);
}

.criteria-item textarea {
    flex: 1;
    min-height: 60px;
    padding: 10px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    resize: vertical;
}

.criteria-item textarea:focus {
    outline: none;
    border-color: var(--accent);
}

/* --- LLM Settings --- */
.llm-settings .form-group {
    margin-bottom: 16px;
}

.llm-settings .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* --- Test Button --- */
.test-btn {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 5px 12px;
    font-size: 12px;
    margin-left: 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}

.test-btn:hover {
    background: var(--accent);
    color: var(--text-on-accent);
}

/* --- Slider Group --- */
.slider-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.slider-group input[type="range"] {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-surface-2);
    outline: none;
    -webkit-appearance: none;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
    transition: all var(--transition);
}

.slider-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.5);
}

.slider-group input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
}

/* --- Button Group --- */
.button-group {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* --- Modal --- */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow-hover);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-content hr {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 24px 0;
}

.modal-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

/* --- Forms --- */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-input,
.form-select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-surface-2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color var(--transition);
}

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

.form-input[type="range"] {
    padding: 0;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-surface-2);
}

textarea.form-input {
    min-height: 80px;
    resize: vertical;
    font-family: inherit;
}

.form-select {
    cursor: pointer;
}

/* --- Settings Button --- */
.settings-btn {
    position: fixed;
    bottom: 80px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--text-on-accent);
    border: none;
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all var(--transition);
    z-index: 998;
}

.settings-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.4);
}

/* Modal overlay for settings */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1999;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

/* Adjust main content for fixed footer */
main {
    padding-bottom: 80px;
}

/* ============================================================
   Status Footer (QM Agent)
   ============================================================ */

.status-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 12px 24px;
    z-index: 999;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.status-bar {
    display: flex;
    gap: 20px;
    align-items: center;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface-2);
    transition: all var(--transition);
}

.status-item.success {
    background: rgba(52, 199, 89, 0.15);
    color: var(--success-color);
}

.status-item.error {
    background: rgba(255, 59, 48, 0.15);
    color: var(--danger-color);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: all var(--transition);
}

.status-item.success .status-dot {
    background: var(--success-color);
    box-shadow: 0 0 8px var(--success-color);
}

.status-item.error .status-dot {
    background: var(--danger-color);
    box-shadow: 0 0 8px var(--danger-color);
}

.footer-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* --- User Table --- */
.user-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.user-table th,
.user-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.user-table th {
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-surface-2);
}

.user-table td {
    color: var(--text-secondary);
}

.role-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.role-admin {
    background: rgba(212, 175, 55, 0.2);
    color: #D4AF37;
}

.role-user {
    background: rgba(160, 160, 160, 0.2);
    color: #A0A0A0;
}

.btn-danger {
    background: #FF3B30;
    color: #FFF;
}

.btn-danger:hover {
    background: #FF5C4D;
}

/* --- Markdown Table --- */
.markdown-table-container {
    overflow-x: auto;
    margin: 16px 0;
}

.markdown-table-container table {
    width: 100%;
    border-collapse: collapse;
}

.markdown-table-container th {
    background: var(--accent-light);
    color: var(--accent);
    font-weight: 600;
    padding: 12px;
    text-align: left;
    border: 1px solid var(--border-color);
}

.markdown-table-container td {
    padding: 12px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.markdown-table-container tr:nth-child(even) {
    background: var(--bg-surface-2);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .nav-links { display: none; }
    .lang-dropdown { display: none; }
    .process-item { flex-direction: column; gap: 1rem; }
    h1 { font-size: 2.2rem; }
    .btn-group { flex-direction: column; align-items: flex-start; }
    .btn-ghost { margin-left: 0; margin-top: 1rem; }
    
    /* Status footer responsive */
    .footer-inner {
        flex-direction: column;
        gap: 12px;
    }
    .status-bar {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    .status-item {
        font-size: 0.75rem;
        padding: 4px 8px;
    }
    .settings-btn {
        bottom: 100px;
        right: 16px;
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }
}

/* Adjust nav height for small screens to keep layout consistent */
@media (max-width: 768px) {
  :root { --nav-height: 64px; }
}

/* Sticky footer layout: push footer to bottom when content is short */
html, body {
  height: 100%;
}
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* =================================================================
   Design polish v5 — больше «золота» и глубины в том же тёмном стиле
   ================================================================= */

/* Hero-бейдж: золотая рамка + мягкое свечение */
.hero-badge {
    border: 1px solid var(--glass-border);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.06), 0 8px 24px rgba(212, 175, 55, 0.10);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

/* Акцентное слово заголовка hero (оборачивается в <span class="accent-text">) */
.accent-text {
    background: linear-gradient(135deg, #E5C156 0%, #D4AF37 50%, #B8941F 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* Теги секций — золотой «пилл» */
.section-tag {
    padding: 5px 14px;
    border-radius: 50px;
    background: var(--accent-light);
    border: 1px solid var(--glass-border);
}

/* Подчёркивание заголовков секций */
.section-header h2 { position: relative; display: inline-block; }
.section-header h2::after {
    content: '';
    position: absolute;
    left: 50%; bottom: -14px;
    width: 56px; height: 3px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    border-radius: 3px;
}

/* Карточки продуктов: золотая линия-акцент сверху при наведении */
.product-card { isolation: isolate; }
.product-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.product-card:hover::after { transform: scaleX(1); }

/* Процесс: крупный золотой контурный номер */
.process-num {
    font-size: 2.4rem;
    line-height: 1;
    opacity: 1;
    background: linear-gradient(135deg, #E5C156, #B8941F);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    min-width: 64px;
}
.process-content h3 { color: var(--text-primary); }
.process-content p   { color: var(--text-secondary); }

/* Marquee: чуть ярче пункты на тёмной полосе */
.marquee-item { color: var(--text-primary); font-weight: 500; }

/* Появление секций при скролле (включается JS-классом .visible) */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(.4,0,.2,1);
}
.reveal.visible {
    opacity: 1;
    transform: none;
}
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
}