/* T4X shared foundation — reset, components and layout utilities */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg:        #0a0a0d;
    --panel:     #131317;
    --panel-2:   #1a1a1f;
    --border:    #262629;
    --border-2:  #333338;
    --text:      #f2f2f4;
    --text-dim:  #9a9aa2;
    --text-dim2: #6b6b72;
    --white:     #ffffff;
    --on-accent: #0a0a0d;
    --danger:    #ef4444;
    --radius:    12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
    --shadow-md: 0 8px 24px -8px rgba(0,0,0,.55);
    --ease: cubic-bezier(.2,.7,.3,1);
}

html {
    background: var(--bg);
    /* Subtle top-down vignette — depth without introducing color */
    background-image: radial-gradient(ellipse 1200px 600px at 50% -10%, rgba(255,255,255,.04), transparent 60%);
    background-attachment: fixed;
}
body {
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

button, .btn, .chip, .card, input, select, textarea, tr, .status-pill {
    transition: background-color .15s var(--ease), border-color .15s var(--ease),
                color .15s var(--ease), transform .12s var(--ease), box-shadow .15s var(--ease);
}

/* ── Top navbar ─────────────────────────────────────────────────────── */
.topbar {
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 0 20px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.topbar-brand {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .2px;
    color: var(--white);
}
.topbar-right {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 12px;
    color: var(--text-dim);
}
.topbar-right a:hover { color: var(--white); }
.topbar-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 10px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 12px;
}

/* ── Tab bar (sub-navigation) ───────────────────────────────────────── */
.tabbar {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 10px 20px;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.tabbar a {
    padding: 7px 14px;
    border-radius: 6px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-dim);
    border: 1px solid transparent;
}
.tabbar a:hover {
    color: var(--text);
    background: var(--panel-2);
}
.tabbar a.active {
    background: var(--white);
    color: var(--on-accent);
}

/* ── Layout ──────────────────────────────────────────────────────────── */
.page {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 20px 60px;
}
.page-header {
    margin-bottom: 20px;
}
.page-header h1 {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -.2px;
    color: var(--text);
}
.page-header p {
    font-size: 12.5px;
    color: var(--text-dim);
    margin-top: 4px;
}

/* ── Stat cards ──────────────────────────────────────────────────────── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 18px;
    box-shadow: var(--shadow-sm);
}
.stat-card .label {
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: .6px;
    color: var(--text-dim2);
    text-transform: uppercase;
    margin-bottom: 8px;
}
.stat-card .value {
    font-size: 27px;
    font-weight: 800;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

/* ── Cards / panels ──────────────────────────────────────────────────── */
.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}
.card + .card { margin-top: 16px; }
.card-title {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}
.card-sub {
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 18px;
}
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

/* ── Forms ───────────────────────────────────────────────────────────── */
.field { margin-bottom: 16px; }
.field label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}
.field .hint {
    font-size: 11px;
    color: var(--text-dim2);
    font-weight: 400;
    margin-left: 6px;
}
.field input[type=text],
.field input[type=password],
.field input[type=email],
.field input[type=number],
.field input[type=date],
.field select,
.field textarea {
    width: 100%;
    padding: 9px 11px;
    background: var(--panel-2);
    border: 1px solid var(--border-2);
    border-radius: 6px;
    color: var(--text);
    font-size: 12.5px;
    font-family: inherit;
}
/* Password dots render tiny/cramped in the default UA font on most browsers —
   bump the letter-spacing so masked input reads as deliberate, not broken. */
.field input[type=password] { letter-spacing: 2px; }
.field input[type=password]::placeholder { letter-spacing: normal; }
.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--white);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--white) 18%, transparent);
}
.field textarea { font-family: 'SFMono-Regular', Consolas, monospace; min-height: 70px; resize: vertical; }
.field-row { display: flex; gap: 10px; }

/* Quick-pick chip buttons (quantity presets, format presets) */
.chip-row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.chip {
    padding: 6px 12px;
    background: var(--panel-2);
    border: 1px solid var(--border-2);
    border-radius: 6px;
    font-size: 11.5px;
    color: var(--text-dim);
    cursor: pointer;
}
.chip:hover { color: var(--white); border-color: var(--white); }
.chip.active { background: var(--white); color: var(--on-accent); border-color: var(--white); }

.checkbox-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    background: var(--panel-2);
    border: 1px solid var(--border-2);
    border-radius: 6px;
    padding: 12px 14px;
    margin-bottom: 16px;
}
.checkbox-row .cb-text { font-size: 12.5px; font-weight: 600; }
.checkbox-row .cb-sub { font-size: 11px; color: var(--text-dim2); font-weight: 400; margin-top: 2px; }
.checkbox-row input[type=checkbox] { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--white); }
.tag {
    font-size: 10.5px;
    padding: 3px 8px;
    border: 1px solid var(--border-2);
    border-radius: 4px;
    color: var(--text-dim);
    white-space: nowrap;
}

/* ── Buttons ─────────────────────────────────────────────────────────── */
button, .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 16px;
    background: var(--white);
    color: var(--on-accent);
    border: 1px solid var(--white);
    border-radius: 8px;
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
}
button:hover, .btn:hover { background: #dcdce0; transform: translateY(-1px); box-shadow: var(--shadow-sm); }
button:active, .btn:active { transform: translateY(0); }
.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border-2);
}
.btn-outline:hover { border-color: var(--white); background: var(--panel-2); color: var(--white); }
.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--border-2);
}
.btn-danger:hover { border-color: var(--danger); background: var(--panel-2); }
.btn-sm { padding: 5px 10px; font-size: 11px; }

/* ── Table ───────────────────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; }
th {
    text-align: left;
    padding: 10px 12px;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: .4px;
    text-transform: uppercase;
    color: var(--text-dim2);
    border-bottom: 1px solid var(--border);
}
td {
    padding: 10px 12px;
    font-size: 12.5px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}
tr:hover td { background: var(--panel-2); }
.mono { font-family: 'SFMono-Regular', Consolas, monospace; font-size: 11.5px; color: var(--text-dim); }

.status-pill {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 10.5px;
    font-weight: 700;
    border: 1px solid var(--border-2);
    color: var(--text-dim);
}
.status-pill.on  { color: var(--white); border-color: var(--white); }
.status-pill.off { color: var(--text-dim2); }

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-dim2);
    font-size: 12.5px;
}

.alert {
    padding: 11px 14px;
    border-radius: 6px;
    font-size: 12.5px;
    margin-bottom: 16px;
    border: 1px solid var(--border-2);
    background: var(--panel-2);
    color: var(--text);
}

.list-scroll { max-height: 420px; overflow-y: auto; }
.list-scroll::-webkit-scrollbar { width: 8px; }
.list-scroll::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 4px; }

/* Wide content (tables) must scroll inside its own box, never the page */
.card > div > table, .card > table { min-width: 100%; }

/* Shared layout utilities used by both the public and admin shells. */
.full-width { width: 100%; }
.is-hidden { display: none; }
.flex-grow { flex: 1; }
.table-scroll { overflow-x: auto; }
.action-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.form-inline { display: inline; }
.push-right { margin-left: auto; }
.clickable-label { cursor: pointer; }
.field.field-flush { margin-bottom: 0; }
.field.field-spaced { margin-top: 16px; }
.page.page-narrow { max-width: 460px; }
.page.page-reading { max-width: 640px; }
.page.page-account { max-width: 1120px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-14 { margin-top: 14px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mb-0 { margin-bottom: 0; }
.mb-12 { margin-bottom: 12px; }
.mb-14 { margin-bottom: 14px; }
.mb-16 { margin-bottom: 16px; }
.mb-18 { margin-bottom: 18px; }
.visually-hidden-control { position: absolute; left: -9999px; }
.compact-number { width: 70px; }
.accent-checkbox { accent-color: var(--white); }
.checkbox-inline { display: flex; align-items: center; gap: 6px; font-size: 12px; cursor: pointer; }
.empty-state.compact { padding: 10px 0; }

/* ── Mobile ──────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .page { padding: 16px 14px 40px; }
    .grid-2 { grid-template-columns: 1fr; gap: 16px; }
    .field-row { flex-direction: column; gap: 0; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .tabbar { padding: 8px 14px; gap: 4px; overflow-x: auto; flex-wrap: nowrap; }
    .tabbar a { white-space: nowrap; }
    .topbar { padding: 0 14px; }
    table { font-size: 11.5px; }
    th, td { padding: 8px 8px; }
}