:root,
[data-theme="dark"] {
    --bg: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #0f172a;
    --border: #334155;
    --border-soft: rgba(255,255,255,.04);
    --surface-hover: rgba(255,255,255,.06);
    --surface-subtle: rgba(255,255,255,.02);
    --btn-bg: rgba(255,255,255,.06);
    --btn-hover-bg: rgba(255,255,255,.14);
    --btn-hover-border: #475569;
    --btn-danger-hover-bg: rgba(239,68,68,.22);
    --text: #e2e8f0;
    --text-dim: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-2: #6366f1;
    --success: #22c55e;
    --success-bg: rgba(34,197,94,.12);
    --success-fg: #86efac;
    --danger: #ef4444;
    --danger-bg: rgba(239,68,68,.12);
    --danger-fg: #fca5a5;
    --danger-border: rgba(239,68,68,.3);
    --info-bg: rgba(59,130,246,.12);
    --info-fg: #93c5fd;
    --warning: #f59e0b;
    --shadow: 0 20px 50px rgba(0,0,0,.3);
    --code-bg: rgba(255,255,255,.06);
    --chart-grid: rgba(255,255,255,.06);
    --chart-axis: #475569;
    --radius: 10px;
    --sidebar-w: 240px;
}

[data-theme="light"] {
    --bg: #f6f7fb;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --border: #e2e8f0;
    --border-soft: rgba(15,23,42,.04);
    --surface-hover: rgba(15,23,42,.04);
    --surface-subtle: rgba(15,23,42,.02);
    --btn-bg: #f1f5f9;
    --btn-hover-bg: #e2e8f0;
    --btn-hover-border: #cbd5e1;
    --btn-danger-hover-bg: rgba(220,38,38,.16);
    --text: #0f172a;
    --text-dim: #475569;
    --text-muted: #64748b;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-2: #4f46e5;
    --success: #16a34a;
    --success-bg: rgba(22,163,74,.12);
    --success-fg: #15803d;
    --danger: #dc2626;
    --danger-bg: rgba(220,38,38,.08);
    --danger-fg: #b91c1c;
    --danger-border: rgba(220,38,38,.2);
    --info-bg: rgba(37,99,235,.1);
    --info-fg: #1d4ed8;
    --warning: #d97706;
    --shadow: 0 8px 24px rgba(15,23,42,.08);
    --code-bg: rgba(15,23,42,.06);
    --chart-grid: rgba(15,23,42,.06);
    --chart-axis: #94a3b8;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }
body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
code { background: var(--code-bg); padding: 2px 6px; border-radius: 4px; font-family: ui-monospace, Menlo, monospace; font-size: 12.5px; }
h1 { font-size: 22px; font-weight: 600; margin: 0; }
h2 { font-size: 15px; font-weight: 600; margin: 0 0 14px; color: var(--text); text-transform: uppercase; letter-spacing: .4px; }
hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* Layout */
.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-w);
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    padding: 18px 0;
    overflow-y: auto;
}
.sidebar .brand { padding: 0 18px 18px; border-bottom: 1px solid var(--border); margin-bottom: 10px; }
.sidebar .brand a { font-size: 18px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 8px; }
.sidebar .brand span { color: var(--accent); }
.sidebar nav { display: flex; flex-direction: column; padding: 0 10px; flex: 1; }
.sidebar nav a {
    display: block; padding: 9px 14px; border-radius: 8px;
    color: var(--text-dim); font-weight: 500; margin-bottom: 2px;
    transition: background .15s, color .15s;
}
.sidebar nav a:hover { background: var(--surface-hover); color: var(--text); }
.sidebar nav a.active { background: var(--surface-hover); color: var(--text); }
.nav-sep {
    font-size: 11px; color: var(--text-muted); text-transform: uppercase;
    letter-spacing: .7px; padding: 16px 14px 6px; font-weight: 600;
}
.sidebar-footer {
    margin-top: auto; padding: 14px 16px; border-top: 1px solid var(--border); font-size: 13px;
    display: flex; flex-direction: column; gap: 4px;
}
.sidebar-footer a { color: var(--text); font-weight: 500; }
.sidebar-footer .role { color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: .4px; }
.sidebar-footer .logout button {
    background: transparent; border: 1px solid var(--border); color: var(--text-dim);
    padding: 6px 12px; border-radius: 6px; font-size: 12px; cursor: pointer; margin-top: 6px;
}
.sidebar-footer .logout button:hover { background: var(--surface-hover); color: var(--text); }

/* Theme switcher */
.theme-switch { display: flex; gap: 0; margin: 8px 0; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.theme-switch button {
    flex: 1; background: transparent; border: none; color: var(--text-dim);
    padding: 6px 8px; font-size: 11px; font-weight: 500; cursor: pointer;
    font-family: inherit; transition: background .15s, color .15s;
}
.theme-switch button + button { border-left: 1px solid var(--border); }
.theme-switch button:hover { background: var(--surface-hover); color: var(--text); }
.theme-switch button.active { background: var(--accent); color: #fff; }

main {
    margin-left: var(--sidebar-w);
    padding: 28px 32px;
    max-width: 1240px;
}

body.centered { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
body.centered main { margin: 0; padding: 0; }

/* Page header */
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.page-header .actions { display: flex; gap: 8px; align-items: center; }

/* Cards */
.card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
    padding: 20px 22px; margin-bottom: 18px;
}
.card h2 { margin-top: 0; border-bottom: 1px solid var(--border); padding-bottom: 10px; }

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 960px) { .grid-2 { grid-template-columns: 1fr; } }

/* Forms */
label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 5px; font-weight: 500; }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=url], input[type=search], input[type=date], select, textarea {
    width: 100%; padding: 9px 12px; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: 8px; color: var(--text);
    font-size: 14px; font-family: inherit; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
input[disabled] { opacity: .5; }
textarea { resize: vertical; min-height: 70px; }
.field { margin-bottom: 14px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 720px) { .row { grid-template-columns: 1fr; } }
.muted { color: var(--text-muted); font-size: 13px; }
.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline-form input, .inline-form select { flex: 1; min-width: 140px; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--btn-bg); color: var(--text); border: 1px solid var(--border);
    padding: 8px 14px; border-radius: 8px; font-size: 13.5px; font-weight: 500;
    cursor: pointer; transition: background .15s, border-color .15s, color .15s, transform .1s;
    font-family: inherit; text-decoration: none; line-height: 1;
}
.btn:hover { background: var(--btn-hover-bg); border-color: var(--btn-hover-border); color: var(--text); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: none; color: #fff; padding: 9px 16px; box-shadow: 0 1px 0 rgba(0,0,0,.04); }
.btn-primary:hover { background: linear-gradient(135deg, var(--accent-hover), var(--accent-2)); color: #fff; filter: brightness(1.03); }
.btn-danger { background: var(--danger-bg); border-color: var(--danger-border); color: var(--danger-fg); }
.btn-danger:hover { background: var(--btn-danger-hover-bg); border-color: var(--danger-fg); color: var(--danger-fg); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--btn-hover-bg); border-color: transparent; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; padding: 11px; }

/* Tables */
.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.table thead th {
    text-align: left; padding: 10px 12px; color: var(--text-muted); font-weight: 500;
    font-size: 12px; text-transform: uppercase; letter-spacing: .4px; border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.table tbody td { padding: 11px 12px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
.table tbody tr:hover { background: var(--surface-subtle); }
.table tbody tr:last-child td { border-bottom: none; }

/* Tables inside cards that should scroll horizontally on narrow screens */
.card.table-card { padding: 0; overflow: hidden; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* Short-links specific column sizing */
.table-links .col-url { white-space: nowrap; }
.table-links .col-url code { font-size: 12.5px; }
.table-links .col-target { max-width: 320px; }
.table-links .col-target .target-text {
    display: inline-block; max-width: 280px; overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap; vertical-align: middle;
}
.table-links .col-creator { white-space: nowrap; }
.table-links .col-clicks { text-align: right; white-space: nowrap; min-width: 90px; }
.table-links .col-clicks .clicks-num { font-variant-numeric: tabular-nums; font-weight: 500; }
.table-links .col-clicks .clicks-last { font-size: 11.5px; margin-top: 2px; }

.filter-check {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 0 10px; font-size: 13px; color: var(--text-dim);
    border: 1px solid var(--border); border-radius: 8px; height: 38px;
    background: var(--bg-input); cursor: pointer;
}
.filter-check input { margin: 0; }

/* Flash */
.flash {
    padding: 11px 16px; border-radius: 8px; margin-bottom: 14px; font-size: 13.5px;
    display: flex; align-items: center; gap: 8px;
}
.flash-success { background: var(--success-bg); border: 1px solid var(--success-fg); color: var(--success-fg); }
.flash-error { background: var(--danger-bg); border: 1px solid var(--danger-border); color: var(--danger-fg); }
.flash-info { background: var(--info-bg); border: 1px solid var(--info-fg); color: var(--info-fg); }

/* Auth */
.auth-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px;
    padding: 36px 32px; width: 100%; max-width: 400px; box-shadow: var(--shadow);
}
.auth-card h1 { font-size: 24px; text-align: center; margin-bottom: 4px;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.auth-card .muted { text-align: center; margin-bottom: 24px; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; }
.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; font-weight: 500; }
.stat-value { font-size: 26px; font-weight: 600; color: var(--text); }

/* Pills / tags */
.pill {
    display: inline-block; padding: 2px 8px; border-radius: 999px;
    background: var(--surface-hover); color: var(--text-dim);
    font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .4px;
}
.pill-ok { background: var(--success-bg); color: var(--success-fg); }
.pill-off { background: var(--surface-hover); color: var(--text-muted); }
.tag {
    display: inline-block; padding: 1px 7px; border-radius: 4px; margin-left: 6px;
    background: var(--info-bg); color: var(--info-fg); font-size: 11px;
}

/* Mime badges */
.mime-badge {
    display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; vertical-align: middle;
}
.mime-image { background: #22c55e; }
.mime-video { background: #ef4444; }
.mime-audio { background: #f59e0b; }
.mime-pdf { background: #dc2626; }
.mime-doc, .mime-sheet, .mime-slides { background: #3b82f6; }
.mime-archive { background: #a855f7; }
.mime-text { background: #64748b; }
.mime-file { background: #94a3b8; }

/* File preview */
.file-preview { max-width: 100%; max-height: 480px; border-radius: 10px; background: #000; display: block; margin: 0 auto; }
.file-preview-frame { width: 100%; height: 480px; border: 1px solid var(--border); border-radius: 10px; background: #fff; }
.file-icon-big {
    width: 140px; height: 180px; background: var(--surface-subtle); border: 2px dashed var(--border);
    border-radius: 12px; display: flex; align-items: center; justify-content: center;
    color: var(--text-dim); font-size: 16px; font-weight: 600; letter-spacing: 1px; margin: 0 auto;
}

/* Meta list */
.meta { margin: 0; display: grid; grid-template-columns: 120px 1fr; gap: 6px 14px; font-size: 13.5px; }
.meta dt { color: var(--text-muted); font-weight: 500; }
.meta dd { margin: 0; word-break: break-word; overflow-wrap: anywhere; }

/* Break very long URL headings (e.g. stats page short URL as h1) */
.page-header h1 { overflow-wrap: anywhere; min-width: 0; }

/* Copy rows */
.copy-row { display: flex; gap: 6px; }
.copy-row input { flex: 1; font-size: 12.5px; font-family: ui-monospace, Menlo, monospace; }
.copy-variants { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }

/* Dropzone */
.dropzone {
    position: relative; border: 2px dashed var(--border); border-radius: 12px; padding: 40px 20px;
    text-align: center; transition: border-color .15s, background .15s; cursor: pointer;
    background: var(--surface-subtle);
}
.dropzone:hover, .dropzone.dragover { border-color: var(--accent); background: var(--info-bg); }
.dropzone input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.dz-icon { font-size: 40px; color: var(--text-muted); line-height: 1; margin-bottom: 10px; }
.dz-text { font-size: 15px; color: var(--text); margin-bottom: 6px; font-weight: 500; }
.dz-hint { font-size: 12px; color: var(--text-muted); }
.selected-file {
    margin-top: 14px; padding: 10px 14px; background: var(--info-bg);
    border: 1px solid var(--border); border-radius: 8px; font-size: 13px;
}
.progress { margin-top: 14px; height: 6px; background: var(--border); border-radius: 999px; overflow: hidden; }
.progress .bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .2s; }

/* Filters */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.filters input, .filters select { flex: 0 1 auto; min-width: 120px; width: auto; }
.filters input[type=search] { flex: 1 1 220px; }

/* Pagination */
.pagination { display: flex; gap: 4px; justify-content: center; margin: 18px 0; }
.pagination a {
    padding: 6px 12px; border-radius: 6px; background: var(--surface-subtle);
    color: var(--text-dim); font-size: 13px;
}
.pagination a:hover { background: var(--surface-hover); color: var(--text); }
.pagination a.active { background: var(--accent); color: #fff; }
.pagination .pg-gap { padding: 6px 4px; color: var(--text-muted); }
.pagination .pg-disabled { padding: 6px 10px; color: var(--text-muted); opacity: .5; }

/* Stats (analytics) */
.stats-chart { width: 100%; height: auto; display: block; }
.stats-chart .grid { stroke: var(--chart-grid); stroke-width: 1; }
.stats-chart .axis { fill: var(--text-muted); font-size: 10px; font-family: inherit; }
.stats-chart .area { fill: var(--accent); fill-opacity: .12; }
.stats-chart .line { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.stats-chart .pt { fill: var(--accent); }
.stats-chart .tip { fill: var(--bg-card); stroke: var(--border); }
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-bottom: 18px; }
.mini-bar { display: flex; align-items: center; gap: 8px; padding: 4px 0; }
.mini-bar .lbl { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 13px; }
.mini-bar .bar-track { flex: 1 1 120px; height: 6px; background: var(--surface-subtle); border-radius: 999px; overflow: hidden; }
.mini-bar .bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.mini-bar .val { font-size: 12px; color: var(--text-muted); width: 40px; text-align: right; }

/* Domain access grid in user form */
.domain-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 6px; }
.domain-check {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
    background: var(--bg-input); cursor: pointer; font-size: 13px;
}
.domain-check input { margin: 0; }
.domain-check code { background: transparent; padding: 0; font-size: 12.5px; }
.domain-check:has(input:checked) { border-color: var(--accent); background: var(--info-bg); }

/* Collapsible section */
details.collapsible summary { cursor: pointer; padding: 10px 0; font-size: 13px; color: var(--text-dim); user-select: none; font-weight: 500; }
details.collapsible summary:hover { color: var(--text); }
details.collapsible[open] summary { margin-bottom: 10px; }

/* Radio group as segmented pills */
.radio-group { display: flex; gap: 0; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; width: fit-content; }
.radio-group label { padding: 8px 16px; margin: 0; cursor: pointer; background: var(--bg-input); color: var(--text-dim); font-size: 13px; display: flex; align-items: center; gap: 6px; transition: background .15s, color .15s; }
.radio-group label + label { border-left: 1px solid var(--border); }
.radio-group label:hover { background: var(--surface-hover); color: var(--text); }
.radio-group input { display: none; }
.radio-group input:checked + span { color: var(--text); font-weight: 500; }
.radio-group label:has(input:checked) { background: var(--accent); color: #fff; }
.radio-group label:has(input:checked) span { color: #fff; }

/* Mobile */
@media (max-width: 960px) {
    .sidebar {
        position: static; width: 100%; height: auto;
        border-right: none; border-bottom: 1px solid var(--border);
        padding: 12px 14px;
    }
    .sidebar .brand { padding: 0 0 10px; }
    .sidebar nav { display: flex; flex-wrap: wrap; flex-direction: row; padding: 0; gap: 4px; }
    .sidebar nav a { padding: 7px 12px; font-size: 13px; }
    .sidebar .nav-sep { width: 100%; padding: 10px 0 4px; font-size: 10.5px; }
    .sidebar-footer { padding: 12px 0 4px; }
    .theme-switch { max-width: 260px; }

    main { margin-left: 0; padding: 18px 14px; max-width: 100%; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 10px; }
    .page-header .actions { flex-wrap: wrap; }

    .grid-2 { grid-template-columns: 1fr; }
    .row { grid-template-columns: 1fr; }
    .stats { grid-template-columns: repeat(2, 1fr); }
    .stats-row { grid-template-columns: 1fr; }

    .filters { flex-direction: column; align-items: stretch; }
    .filters input, .filters select, .filters .filter-check, .filters .btn { width: 100%; min-width: 0; }

    .table-links .col-target { max-width: 240px; }
    .table-links .col-target .target-text { max-width: 200px; }
}

@media (max-width: 560px) {
    main { padding: 14px 10px; }
    .card { padding: 14px; border-radius: 10px; }
    .card.table-card { padding: 0; }
    .page-header h1 { font-size: 18px; }
    .stat { padding: 14px; }
    .stat-value { font-size: 20px; }
    .table thead th, .table tbody td { padding: 9px 10px; font-size: 12.5px; }
    .dropzone { padding: 26px 14px; }
    .dz-icon { font-size: 32px; }
    .meta { grid-template-columns: 100px 1fr; font-size: 13px; }
}