@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&family=Manrope:wght@400;600&family=Space+Grotesk:wght@500;700&display=swap');

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

:root {
    --ink: #0f172a;
    --muted: #475569;
    --accent: #0ea5a4;
    --accent-strong: #0f766e;
    --accent-warm: #f97316;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #38bdf8;
    --card-bg: rgba(255, 255, 255, 0.9);
    --border: rgba(15, 118, 110, 0.16);
    --shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.1);
    --shadow-strong: 0 16px 40px rgba(15, 23, 42, 0.16);
    --radius: 18px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Manrope', 'Segoe UI', sans-serif;
    background-color: #f8fafc;
    background-image:
        radial-gradient(circle at 12% 18%, rgba(14, 165, 164, 0.18), transparent 38%),
        radial-gradient(circle at 80% 10%, rgba(249, 115, 22, 0.18), transparent 40%),
        linear-gradient(135deg, #f8fafc 0%, #fff7ed 50%, #ecfeff 100%);
    min-height: 100vh;
    color: var(--ink);
    line-height: 1.6;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: 0;
}

.container {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 24px 16px 32px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 32px;
    position: relative;
    z-index: 1;
}

/* Шапка */
.header {
    text-align: left;
    padding: 32px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.header::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-warm));
}

.main-title {
    font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
    font-size: 2.6rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--ink);
}

.subtitle {
    font-size: 1.05rem;
    color: var(--muted);
    font-weight: 400;
    margin: 0;
}

.header-top {
    display: flex;
    align-items: center;
    gap: 20px;
    justify-content: flex-start;
    margin-bottom: 12px;
}

.header-top .main-title {
    margin: 0;
}

.back-button {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: #111827;
    color: white;
    text-decoration: none;
    border-radius: 999px;
    transition: var(--transition);
    font-size: 0.9rem;
}

.back-button:hover {
    background: #1f2937;
    transform: translateX(-2px);
}

/* Основной контент */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 10px 20px;
}

.navigation-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
    width: 100%;
}

/* Карточки навигации */
.nav-card {
    background: #ffffff;
    border-radius: var(--radius);
    padding: 36px 28px;
    text-decoration: none;
    color: var(--ink);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(15, 118, 110, 0.12);
}

.nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-warm));
    transform: scaleX(0);
    transition: var(--transition);
}

.nav-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-strong);
}

.nav-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    font-size: 3.5rem;
    margin-bottom: 18px;
    transition: var(--transition);
}

.nav-card:hover .card-icon {
    transform: scale(1.08) rotate(3deg);
}

.card-title {
    font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--ink);
}

.card-description {
    font-size: 0.98rem;
    color: var(--muted);
    margin-bottom: 18px;
    flex: 1;
}

.card-arrow {
    font-size: 1.4rem;
    color: var(--accent-strong);
    transition: var(--transition);
    font-weight: bold;
}

.nav-card:hover .card-arrow {
    transform: translateX(8px);
    color: var(--accent-warm);
}

/* Подвал */
.footer {
    padding: 18px 22px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.footer-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 0.95rem;
}

.footer-service {
    border: 1px solid var(--accent);
    background: transparent;
    color: var(--accent-strong);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.footer-service:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-1px);
}

.footer-powered {
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
    color: var(--muted);
    font-size: 0.95em;
}

.footer-link {
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--accent-warm);
    border-color: var(--accent-warm);
}

/* Универсальные панели и элементы управления */
.content-stack {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 100%;
}

.panel {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(10px);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.panel-header h2 {
    margin: 0;
    font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
    font-size: 1.4rem;
    color: var(--ink);
}

.panel-subtitle {
    color: var(--muted);
    font-size: 0.95rem;
    margin-top: 6px;
}

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

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--muted);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.96);
    font-size: 0.95rem;
    color: var(--ink);
    transition: var(--transition);
    font-family: 'Manrope', 'Segoe UI', sans-serif;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(14, 165, 164, 0.18);
}

.hint {
    font-size: 0.9rem;
    color: var(--muted);
}

.btn {
    padding: 10px 18px;
    border-radius: 999px;
    border: none;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.btn-primary,
.btn-send {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 10px 20px rgba(14, 165, 164, 0.25);
}

.btn-primary:hover,
.btn-send:hover {
    background: var(--accent-strong);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(15, 23, 42, 0.08);
    color: var(--ink);
}

.btn-secondary:hover {
    background: rgba(15, 23, 42, 0.16);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success);
    color: #fff;
    box-shadow: 0 10px 20px rgba(34, 197, 94, 0.24);
}

.btn-success:hover {
    background: #16a34a;
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    box-shadow: 0 10px 20px rgba(239, 68, 68, 0.24);
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--accent-strong);
}

.btn-outline:hover {
    border-color: var(--accent);
    background: rgba(14, 165, 164, 0.1);
    transform: translateY(-1px);
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.status-connected {
    background: rgba(34, 197, 94, 0.15);
    color: #166534;
}

.status-connecting {
    background: rgba(245, 158, 11, 0.18);
    color: #92400e;
}

.status-disconnected {
    background: rgba(148, 163, 184, 0.3);
    color: #475569;
}

.status-error {
    background: rgba(239, 68, 68, 0.2);
    color: #991b1b;
}

.table-wrapper {
    width: 100%;
    overflow: auto;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.96);
}

.data-table,
.sessions-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 420px;
}

.data-table thead,
.sessions-table thead {
    background: rgba(14, 165, 164, 0.08);
}

.data-table th,
.data-table td,
.sessions-table th,
.sessions-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid rgba(15, 118, 110, 0.12);
    font-size: 0.95rem;
}

.data-table tbody tr:hover,
.sessions-table tbody tr:hover {
    background: rgba(14, 165, 164, 0.08);
}

.empty-state {
    padding: 18px;
    text-align: center;
    color: var(--muted);
    font-size: 0.95rem;
}

.log {
    background: rgba(15, 23, 42, 0.92);
    color: #e2e8f0;
    padding: 16px;
    border-radius: 14px;
    min-height: 140px;
    max-height: 240px;
    overflow-y: auto;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
}

.log-item {
    padding: 6px 8px;
    border-radius: 10px;
    margin-bottom: 8px;
    background: rgba(255, 255, 255, 0.06);
}

.log-success {
    color: #86efac;
}

.log-error {
    color: #fecaca;
}

.log-warning {
    color: #fde68a;
}

.log-stream {
    background: rgba(15, 23, 42, 0.92);
    color: #e2e8f0;
    border-radius: 14px;
    padding: 16px;
    min-height: 260px;
    max-height: 420px;
    overflow-y: auto;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.log-line {
    padding: 6px 10px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
}

/* Адаптивность для планшетов */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.1rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .navigation-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .nav-card {
        padding: 30px 24px;
    }

    .card-icon {
        font-size: 3.2rem;
    }

    .card-title {
        font-size: 1.4rem;
    }

    .header-top {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Адаптивность для мобильных устройств */
@media (max-width: 480px) {
    .container {
        padding: 20px 16px 32px;
    }

    .header {
        padding: 24px 18px;
    }

    .main-title {
        font-size: 1.8rem;
    }

    .main-content {
        padding: 10px 0 20px;
    }

    .navigation-cards {
        gap: 16px;
    }

    .nav-card {
        padding: 26px 20px;
    }

    .card-icon {
        font-size: 2.8rem;
        margin-bottom: 14px;
    }

    .card-title {
        font-size: 1.25rem;
    }

    .card-description {
        font-size: 0.9rem;
    }

    .footer-row {
        gap: 10px;
        font-size: 0.9rem;
    }
}

/* Адаптивность для очень маленьких экранов */
@media (max-width: 320px) {
    .main-title {
        font-size: 1.6rem;
    }

    .nav-card {
        padding: 20px 16px;
    }

    .card-icon {
        font-size: 2.4rem;
    }
}

/* Адаптивность для больших экранов */
@media (min-width: 1200px) {
    .nav-card {
        padding: 44px 36px;
    }
}