/* ── Variables ───────────────────────────────────────────────────────────────── */
:root {
    --bg: #0d0f14;
    --bg-card: #13161e;
    --bg-input: #1a1d27;
    --border: #252836;
    --accent: #4f8ef7;
    --accent-dim: #3a6fd4;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --text: #e8eaf0;
    --text-muted: #6b7280;
    --text-dim: #9ca3af;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0, 0, 0, .4);
    --font-head: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --nav-h: 60px;
}

/* ── Reset ───────────────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: var(--accent-dim);
}

img {
    max-width: 100%;
}

/* ── Navbar ──────────────────────────────────────────────────────────────────── */
.navbar {
    height: var(--nav-h);
    background: rgba(13, 15, 20, .92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-family: var(--font-head);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
}

.navbar-brand img {
    height: 32px;
    width: auto;
}

.navbar-brand:hover {
    color: var(--accent);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: .25rem;
}

.nav-link {
    color: var(--text-dim);
    font-size: .875rem;
    font-weight: 500;
    padding: .4rem .85rem;
    border-radius: var(--radius);
    transition: color .15s, background .15s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text);
    background: var(--bg-input);
}

.nav-logout {
    color: var(--text-muted);
}

.nav-logout:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, .08);
}

/* ── Main content ────────────────────────────────────────────────────────────── */
.main-content {
    flex: 1;
    padding: 2.5rem 1.5rem;
    max-width: 960px;
    width: 100%;
    margin: 0 auto;
}

.main-content.wide {
    max-width: 1200px;
}

/* ── Auth pages (centered card) ──────────────────────────────────────────────── */
.auth-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2.25rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow);
}

.auth-card .logo {
    text-align: center;
    margin-bottom: 1.75rem;
}

.auth-card .logo img {
    height: 40px;
}

.auth-card h2 {
    font-family: var(--font-head);
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: .35rem;
}

.auth-card .subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: .875rem;
    margin-bottom: 1.75rem;
}

/* ── Cards ───────────────────────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow);
}

.card+.card {
    margin-top: 1.25rem;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-family: var(--font-head);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: .6rem;
}

.card-title i {
    color: var(--accent);
    font-size: 1rem;
}

/* ── Page title ──────────────────────────────────────────────────────────────── */
.page-title {
    font-family: var(--font-head);
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 1.75rem;
}

.page-title span {
    color: var(--accent);
}

/* ── Profile grid ────────────────────────────────────────────────────────────── */
.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 600px) {
    .profile-grid {
        grid-template-columns: 1fr;
    }
}

.info-row {
    display: flex;
    flex-direction: column;
    gap: .25rem;
}

.info-label {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
}

.info-value {
    font-size: 1rem;
    color: var(--text);
    font-weight: 500;
}

/* ── Quick actions ───────────────────────────────────────────────────────────── */
.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
}

.action-card {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1rem;
    text-align: center;
    color: var(--text-dim);
    font-size: .875rem;
    font-weight: 500;
    transition: border-color .15s, color .15s, background .15s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .6rem;
}

.action-card i {
    font-size: 1.4rem;
    color: var(--accent);
}

.action-card:hover {
    border-color: var(--accent);
    color: var(--text);
    background: rgba(79, 142, 247, .06);
}

.action-card.danger i {
    color: var(--danger);
}

.action-card.danger:hover {
    border-color: var(--danger);
    background: rgba(239, 68, 68, .06);
}

/* ── Forms ───────────────────────────────────────────────────────────────────── */
.form-group {
    margin-bottom: 1.1rem;
}

.form-label {
    display: block;
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
    margin-bottom: .45rem;
}

.form-control {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: .65rem .9rem;
    color: var(--text);
    font-family: var(--font-body);
    font-size: .95rem;
    transition: border-color .15s, box-shadow .15s;
    outline: none;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79, 142, 247, .12);
}

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

.form-hint {
    font-size: .78rem;
    color: var(--text-muted);
    margin-top: .35rem;
}

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .6rem 1.35rem;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: opacity .15s, background .15s;
    text-decoration: none;
}

.btn:hover {
    opacity: .88;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-ghost {
    background: var(--bg-input);
    color: var(--text-dim);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    color: var(--text);
}

.btn-sm {
    padding: .4rem 1rem;
    font-size: .8rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-full {
    margin-top: .5rem;
}

/* ── Alerts ──────────────────────────────────────────────────────────────────── */
.alert {
    padding: .85rem 1.1rem;
    border-radius: var(--radius);
    font-size: .9rem;
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(34, 197, 94, .1);
    border-color: rgba(34, 197, 94, .3);
    color: #86efac;
}

.alert-danger {
    background: rgba(239, 68, 68, .1);
    border-color: rgba(239, 68, 68, .3);
    color: #fca5a5;
}

.alert-warning {
    background: rgba(245, 158, 11, .1);
    border-color: rgba(245, 158, 11, .3);
    color: #fcd34d;
}

.alert-info {
    background: rgba(79, 142, 247, .1);
    border-color: rgba(79, 142, 247, .3);
    color: #93c5fd;
}

/* ── Badge ───────────────────────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: .2rem .6rem;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.badge-success {
    background: rgba(34, 197, 94, .15);
    color: #86efac;
}

.badge-muted {
    background: var(--bg-input);
    color: var(--text-muted);
}

.badge-accent {
    background: rgba(79, 142, 247, .15);
    color: #93c5fd;
}

/* ── Admin table ─────────────────────────────────────────────────────────────── */
.table-wrap {
    overflow-x: auto;
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}

table.data-table th {
    text-align: left;
    padding: .65rem 1rem;
    background: var(--bg-input);
    color: var(--text-muted);
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

table.data-table td {
    padding: .7rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
    vertical-align: middle;
}

table.data-table tr:last-child td {
    border-bottom: none;
}

table.data-table tr:hover td {
    background: rgba(255, 255, 255, .02);
}

table.data-table td.highlight {
    color: var(--text);
    font-weight: 500;
}

/* ── Pagination ──────────────────────────────────────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    gap: .5rem;
    justify-content: center;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.page-btn {
    padding: .4rem .85rem;
    border-radius: var(--radius);
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: .875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: border-color .15s, color .15s;
}

.page-btn:hover {
    border-color: var(--accent);
    color: var(--text);
}

.page-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.page-btn.disabled {
    opacity: .35;
    pointer-events: none;
}

/* ── Search bar ──────────────────────────────────────────────────────────────── */
.search-bar {
    display: flex;
    gap: .75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.search-bar .form-control {
    flex: 1;
    min-width: 220px;
}

/* ── Admin stats strip ───────────────────────────────────────────────────────── */
.stat-strip {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    text-align: center;
}

.stat-box .stat-value {
    font-family: var(--font-head);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.stat-box .stat-label {
    font-size: .75rem;
    color: var(--text-muted);
    margin-top: .35rem;
    text-transform: uppercase;
    letter-spacing: .05em;
}

/* ── Auth links ──────────────────────────────────────────────────────────────── */
.auth-links {
    text-align: center;
    margin-top: 1.25rem;
    font-size: .875rem;
    color: var(--text-muted);
}

.auth-links a {
    color: var(--accent);
    font-weight: 500;
}

/* ── Divider ─────────────────────────────────────────────────────────────────── */
.divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 1.5rem 0;
}

/* ── Footer ──────────────────────────────────────────────────────────────────── */
.footer {
    border-top: 1px solid var(--border);
    padding: 1.25rem 2rem;
    text-align: center;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .75rem;
    font-size: .8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.footer-inner a {
    color: var(--text-muted);
}

.footer-inner a:hover {
    color: var(--text);
}

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

/* ── Responsive ──────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .navbar {
        padding: 0 1rem;
        gap: .5rem;
    }

    .navbar-brand span {
        display: none;
    }

    .nav-link {
        padding: .4rem .6rem;
        font-size: .8rem;
    }

    .main-content {
        padding: 1.25rem 1rem;
    }

    .auth-card {
        padding: 1.75rem 1.25rem;
    }

    .page-title {
        font-size: 1.35rem;
        margin-bottom: 1.25rem;
    }

    .card {
        padding: 1.25rem;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: .5rem;
    }

    .profile-grid {
        grid-template-columns: 1fr;
    }

    .action-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stat-strip {
        grid-template-columns: 1fr 1fr;
    }

    /* Stack inline button rows on mobile */
    [style*="display:flex"][style*="gap:.75rem"] {
        flex-direction: column;
    }

    /* Make tables scrollable rather than breaking layout */
    .table-wrap {
        -webkit-overflow-scrolling: touch;
    }

    table.data-table th,
    table.data-table td {
        padding: .55rem .75rem;
    }

    /* Search bar stacks vertically */
    .search-bar {
        flex-direction: column;
    }

    .search-bar .form-control {
        min-width: unset;
    }

    /* Pagination wraps neatly */
    .pagination {
        gap: .3rem;
    }

    .page-btn {
        padding: .35rem .65rem;
        font-size: .8rem;
    }

    .footer-inner {
        gap: .5rem;
        font-size: .75rem;
    }
}

@media (max-width: 380px) {
    .action-grid {
        grid-template-columns: 1fr;
    }

    .stat-strip {
        grid-template-columns: 1fr;
    }
}