@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&display=swap');

:root {
    --primary: #06b6d4;
    --primary-hover: #22d3ee;
    --primary-muted: rgba(6, 182, 212, 0.12);
    --bg-body: #0a0a0c;
    --bg-elevated: #111113;
    --bg-card: #161618;
    --bg-card-hover: #1a1a1d;
    --text-main: #f4f4f5;
    --text-muted: #71717a;
    --text-dim: #52525b;
    --border: #27272a;
    --border-subtle: #1f1f23;
    --sidebar-bg: #0d0d0f;
    --sidebar-width: 260px;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --success-bg: rgba(34, 197, 94, 0.1);
    --warning-bg: rgba(234, 179, 8, 0.1);
}

* {
    box-sizing: border-box;
}

body {
    background: var(--bg-body);
    color: var(--text-main);
    font-family: 'DM Sans', -apple-system, sans-serif;
    font-size: 0.9375rem;
    line-height: 1.5;
    min-height: 100vh;
}

a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: var(--primary);
}

/* ---- Layout: app with sidebar ---- */
.app-wrap {
    display: flex;
    min-height: 100vh;
}
.app-sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}
.app-main {
    flex: 1;
    min-width: 0;
    padding: 1.75rem 2rem 2rem;
}

/* ---- Sidebar ---- */
.sidebar-brand {
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
}
.sidebar-brand a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: 0.02em;
}
.sidebar-brand a:hover {
    color: var(--primary);
}
.sidebar-brand i {
    font-size: 1.35rem;
    color: var(--primary);
}
.sidebar-logo {
    height: 32px;
    width: auto;
    display: block;
}
.sidebar-nav {
    padding: 0.75rem 0.5rem;
    flex: 1;
}
.sidebar-nav .nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: background 0.2s, color 0.2s;
    border: none;
}
.sidebar-nav .nav-link i {
    font-size: 1.2rem;
    opacity: 0.9;
    width: 1.25rem;
    text-align: center;
}
.sidebar-nav .nav-link:hover {
    background: var(--primary-muted);
    color: var(--text-main);
}
.sidebar-nav .nav-link.active {
    background: var(--primary-muted);
    color: var(--primary);
}
.sidebar-nav .nav-link.active i {
    color: var(--primary);
}
.sidebar-nav .nav-link.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}
.sidebar-footer {
    padding: 1rem 1.25rem 1.25rem;
    border-top: 1px solid var(--border-subtle);
}
.sidebar-footer .nav-link {
    color: var(--text-muted);
    font-size: 0.9rem;
    border-radius: var(--radius);
    padding: 0.5rem 0.75rem;
}
.sidebar-footer .nav-link:hover {
    color: var(--text-main);
    background: var(--border-subtle);
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}
.card-body {
    padding: 1.25rem 1.5rem;
}
.card-title {
    color: var(--text-main);
    font-weight: 600;
}
.card-text {
    color: var(--text-muted);
}
.card-hover {
    transition: border-color 0.2s, background 0.2s;
}
.card-hover:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-subtle);
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-main);
    font-weight: 600;
    margin-bottom: 0;
}
.page-title {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}
.page-subtitle {
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}
.text-muted {
    color: var(--text-muted) !important;
}
.text-dim {
    color: var(--text-dim);
}
.text-white {
    color: var(--text-main) !important;
}

/* ---- Buttons ---- */
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #0a0a0c;
    font-weight: 600;
}
.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #0a0a0c;
}
.btn-outline-light {
    border-color: var(--border);
    color: var(--text-main);
}
.btn-outline-light:hover {
    background: var(--primary-muted);
    border-color: var(--primary);
    color: var(--primary);
}
.btn-outline-secondary {
    color: var(--text-muted);
    border-color: var(--border);
}
.btn-outline-secondary:hover {
    background: var(--border);
    color: var(--text-main);
    border-color: var(--border);
}

/* ---- Forms (login) ---- */
.form-control, .form-select {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: var(--radius);
}
.form-control:focus, .form-select:focus {
    background: var(--bg-elevated);
    border-color: var(--primary);
    color: var(--text-main);
    box-shadow: 0 0 0 3px var(--primary-muted);
}
.form-control::placeholder {
    color: var(--text-dim);
}
.form-label {
    color: var(--text-main);
    font-weight: 500;
    margin-bottom: 0.375rem;
}

/* ---- Alerts ---- */
.alert {
    border-radius: var(--radius);
    border: 1px solid;
}
.alert-warning {
    background: var(--warning-bg);
    border-color: rgba(234, 179, 8, 0.3);
    color: #facc15;
}
.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* ---- Badge ---- */
.badge.bg-primary {
    background: var(--primary) !important;
    color: #0a0a0c;
}

/* ---- Dashboard promo tiles ---- */
.promo-tile .card {
    height: 100%;
}
.promo-tile .card-body {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.promo-tile .card-title {
    font-size: 1.25rem;
    letter-spacing: 0.03em;
}
.promo-tile .date-badge {
    font-size: 0.8125rem;
    color: var(--text-dim);
}

/* ---- Promo stats page ---- */
.stats-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.kpi-box {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius);
    min-width: 112px;
}
.recommend-good {
    background: var(--success-bg);
}
.recommend-warn {
    background: var(--warning-bg);
}

/* ---- Empty state (no data) ---- */
.empty-state {
    text-align: center;
    padding: 2.5rem 1.5rem;
}
.empty-state-icon {
    font-size: 3rem;
    opacity: 0.4;
    margin-bottom: 1rem;
    color: var(--text-muted);
}
.empty-state-title {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}
.empty-state-desc {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
}

/* Заголовок над графиком на странице статистики */
.chart-heading {
    font-size: 1rem;
    color: var(--text-main) !important;
}

/* ---- Mobile: sidebar as top bar ---- */
@media (max-width: 991.98px) {
    .app-wrap {
        flex-direction: column;
    }
    .app-sidebar {
        width: 100%;
        min-width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        padding: 0.5rem 1rem;
        gap: 0.5rem;
    }
    .sidebar-brand {
        border-bottom: none;
        padding: 0.5rem 0;
        margin-right: auto;
    }
    .sidebar-nav {
        padding: 0;
        flex: 1;
        order: 3;
        width: 100%;
        border-top: 1px solid var(--border-subtle);
        padding-top: 0.5rem;
    }
    .sidebar-nav .nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 4px;
    }
    .sidebar-footer {
        border-top: none;
        padding: 0;
        order: 2;
    }
    .app-main {
        padding: 1.25rem 1rem;
    }
}