/* ==========================================================================
   Referee Platform — Design System v2
   Dark, professional theme with a top navbar (moved off the left sidebar).
   Same class names as before (.x-card, .btn, .badge-*, .table-clean, etc.)
   so most views didn't need to change — only this file + the layout shell.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
    /* Surfaces */
    --bg: #0e1116;
    --surface: #161a21;
    --surface-2: #1e232c;
    --surface-3: #262c37;
    --border: #2a3038;
    --border-strong: #3a424e;

    /* Text */
    --text-primary: #eef1f5;
    --text-secondary: #a7b0bd;
    --text-muted: #6d7684;

    /* Brand / primary action — orange/red, the app's main accent color */
    --pitch-100: rgba(234, 88, 12, 0.25);
    --pitch-400: #fb923c;
    --pitch-500: #ea580c;
    --pitch-600: #c2410c;
    --pitch-700: #9a3412;

    /* Reserved specifically for "start/success" actions like Start Test,
       Resume, Retake — kept green and separate from the orange brand color
       above, which is used for general primary actions (Save, Log In, etc). */
    --start-500: #34a06f;
    --start-600: #2b8459;

    /* Referee card colors — used honestly for status meaning, tuned for dark surfaces */
    --card-yellow: #f2c94c;
    --card-yellow-bg: rgba(242, 201, 76, 0.14);
    --card-yellow-ink: #f2c94c;
    --card-red: #ff6b6f;
    --card-red-bg: rgba(255, 107, 111, 0.14);
    --card-red-ink: #ff8a8d;
    --card-green-bg: rgba(52, 160, 111, 0.16);
    --card-green-ink: #4ade80;

    /* legacy aliases some views/inline styles reference */
    --ink-900: var(--text-primary);
    --ink-700: var(--text-secondary);
    --ink-500: var(--text-secondary);
    --ink-300: var(--text-muted);
    --ink-100: var(--surface-2);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.28);
    --shadow-pop: 0 20px 48px rgba(0, 0, 0, 0.5);

    --font-display: 'Rajdhani', 'Inter', sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; }

/* Hard safety net: nothing in the app should ever be able to force a
   horizontal scrollbar on mobile, even if some element is missed above. */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

body {
    background: var(--bg);
    font-family: var(--font-body);
    color: var(--text-primary);
}

/* Scoped text-wrap safety net for free-form/user-typed content (forum
   topic bodies, comments, category descriptions) that could contain a long
   unbroken string like a pasted URL — deliberately NOT applied globally to
   .x-card/.app-main, since that broke normal short text elsewhere
   (dashboard rows, buttons, badges) by breaking words mid-way unnecessarily. */
.text-wrap-safe {
    overflow-wrap: anywhere;
}

/* Forum category/topic list rows (a flex row with title+description on the
   left, a count on the right) need their text side to be allowed to shrink
   below its content width so a long name/description wraps instead of
   pushing the row wider than the card. Scoped to just these rows — not a
   blanket rule — since applying this globally broke unrelated flex rows
   elsewhere (dashboard cards, buttons) that never had an overflow problem. */
.forum-list-row > div:first-child {
    min-width: 0;
}

h1, h2, h3, .font-display {
    font-family: var(--font-display);
    letter-spacing: 0.01em;
}

a { color: inherit; }

/* ---------------- Top navbar (replaces the old left sidebar) ---------------- */

.app-navbar {
    position: sticky;
    top: 0;
    z-index: 30;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.navbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0.5rem 1.5rem;
    min-height: 64px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    color: #fff;
    white-space: nowrap;
}

.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--pitch-500), var(--pitch-700));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #fff;
    box-shadow: 0 4px 0 var(--card-red), inset 0 0 0 1px rgba(255,255,255,0.08);
}

.navbar-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem;
    flex: 1;
    overflow: visible;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    white-space: nowrap;
}

.user-chip {
    text-align: right;
    line-height: 1.15;
}
.user-chip .name { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.user-chip .meta { font-size: 0.72rem; color: var(--text-muted); }

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--surface-3);
    border: 1px solid var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text-secondary);
    overflow: hidden;
    flex-shrink: 0;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ---------------- User menu (avatar + name dropdown, replaces static logout button) ---------------- */

.user-menu { position: relative; }

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem 0.4rem;
    border-radius: var(--radius-sm);
}
.user-menu-trigger:hover { background: var(--surface-2); }

.user-menu-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 190px;
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-pop);
    padding: 0.4rem;
    z-index: 60;
}
.user-menu-panel a, .user-menu-panel button {
    display: flex;
    align-items: center;
    width: 100%;
    text-align: left;
    gap: 0.5rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}
.user-menu-panel a:hover, .user-menu-panel button:hover { background: var(--surface-3); color: var(--text-primary); }
.user-menu-panel .divider-line { border: none; border-top: 1px solid var(--border); margin: 0.3rem 0.2rem; }

/* Profile page avatar with upload overlay button */

.avatar-lg {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: var(--surface-3);
    border: 1px solid var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--text-secondary);
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}
.avatar-lg img { width: 100%; height: 100%; object-fit: cover; }

.avatar-upload {
    position: relative;
    display: inline-block;
}
.avatar-upload-btn {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--pitch-500);
    color: #fff;
    border: 2px solid var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.85rem;
}
.avatar-upload-btn:hover { background: var(--pitch-600); }
.avatar-upload input[type="file"] { display: none; }

/* ---------------- Nav links (used inside navbar-links, horizontal pills) ---------------- */

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: background 0.15s ease, color 0.15s ease;
    white-space: nowrap;
    background: none;
    border-width: 0 0 2px 0;
    border-style: solid;
    border-color: transparent;
    font-family: inherit;
    cursor: pointer;
}

.nav-link:hover {
    background: var(--surface-2);
    color: var(--text-primary);
}

.nav-link.active {
    color: #fff;
    border-bottom-color: var(--pitch-500);
    background: var(--surface-2);
}

/* ---------------- Nav dropdown (for grouping e.g. Tests + Import Questions) ---------------- */

.nav-dropdown { position: relative; }

.nav-dropdown-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
}

.nav-dropdown-caret {
    font-size: 0.6rem;
    transition: transform 0.15s ease;
    color: var(--text-muted);
}
.nav-dropdown[data-open="true"] .nav-dropdown-caret,
.nav-dropdown.open .nav-dropdown-caret { transform: rotate(180deg); }

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 200px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-pop);
    padding: 0.4rem;
    z-index: 50;
}

.nav-dropdown-menu a {
    display: block;
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    color: var(--text-secondary);
    white-space: nowrap;
}
.nav-dropdown-menu a:hover { background: var(--surface-3); color: var(--text-primary); }
.nav-dropdown-menu a.active { color: #fff; background: var(--surface-3); }

/* ---------------- Page shell ---------------- */

.app-main { padding: 2rem 1.5rem 4rem; }
.app-container { max-width: 1280px; margin: 0 auto; }

/* ---------------- Cards ---------------- */

.x-card, .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 1.5rem;
}

.card-flush { padding: 0; }

/* ---------------- Buttons ---------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.6rem 1.15rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: transform 0.05s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
    cursor: pointer;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
    background: var(--pitch-500);
    color: #fff;
    box-shadow: 0 1px 0 rgba(0,0,0,0.15), 0 4px 14px rgba(52, 160, 111, 0.25);
}
.btn-primary:hover { background: var(--pitch-600); }

/* Reserved for "start/go" actions — Start Test, Resume, Retake — kept green
   and distinct from the orange btn-primary used for general actions. */
.btn-success {
    background: var(--start-500);
    color: #fff;
    box-shadow: 0 1px 0 rgba(0,0,0,0.15), 0 4px 14px rgba(52, 160, 111, 0.25);
}
.btn-success:hover { background: var(--start-600); }

.btn-dark {
    background: var(--surface-3);
    color: var(--text-primary);
    border-color: var(--border-strong);
}
.btn-dark:hover { background: #303844; }

.btn-outline {
    background: transparent;
    border-color: var(--border-strong);
    color: var(--text-primary);
}
.btn-outline:hover { background: var(--surface-2); }

.btn-danger {
    background: var(--card-red);
    color: #1a0505;
}
.btn-danger:hover { filter: brightness(1.08); }

.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.78rem; }
.btn-block { width: 100%; }

/* ---------------- Badges (referee cards, honestly reused) ---------------- */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    border: 1px solid transparent;
}

.badge::before {
    content: '';
    width: 7px;
    height: 9px;
    border-radius: 1px;
    display: inline-block;
}

.badge-green { background: var(--card-green-bg); color: var(--card-green-ink); border-color: rgba(74,222,128,0.2); }
.badge-green::before { background: var(--start-500); }

.badge-yellow { background: var(--card-yellow-bg); color: var(--card-yellow-ink); border-color: rgba(242,201,76,0.25); }
.badge-yellow::before { background: var(--card-yellow); }

.badge-red { background: var(--card-red-bg); color: var(--card-red-ink); border-color: rgba(255,107,111,0.25); }
.badge-red::before { background: var(--card-red); }

.badge-gray { background: var(--surface-2); color: var(--text-muted); border-color: var(--border); }
.badge-gray::before { background: var(--text-muted); }

/* ---------------- Tables ---------------- */

.table-clean {
    width: 100%;
    font-size: 0.875rem;
    border-collapse: separate;
    border-spacing: 0;
}
.table-clean thead th {
    text-align: left;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    padding: 0.7rem 0.9rem;
    border-bottom: 1px solid var(--border-strong);
}
.table-clean tbody td {
    padding: 0.9rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}
.table-clean tbody tr td:first-child { color: var(--text-primary); }
.table-clean tbody tr:last-child td { border-bottom: none; }
.table-clean tbody tr:hover { background: var(--surface-2); }

/* ---------------- Forms ---------------- */

/* Applies to EVERY <label> in the app, not just ones with class="field-label" —
   so a label typed by hand elsewhere (e.g. class="text-sm font-medium") still
   renders identically instead of looking different from the rest of the app. */
label {
    display: block;
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    color: var(--text-secondary) !important;
    margin-bottom: 0.35rem;
}

.field-input,
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="date"], input[type="datetime-local"],
input[type="file"], select, textarea {
    border: 1px solid var(--border-strong) !important;
    border-radius: var(--radius-sm) !important;
    background: var(--surface-2) !important;
    color: var(--text-primary) !important;
    padding: 0.55rem 0.8rem !important;
    font-size: 0.875rem !important;
    font-family: var(--font-body) !important;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--pitch-500) !important;
    box-shadow: 0 0 0 3px var(--pitch-100);
}
input[type="file"] { background: transparent !important; border-style: dashed !important; padding: 0.8rem !important; }
input[type="checkbox"] { accent-color: var(--pitch-500); width: auto !important; }

/* ---------------- Alerts ---------------- */

.alert {
    border-radius: var(--radius-md);
    padding: 0.9rem 1.15rem;
    font-size: 0.875rem;
    border: 1px solid transparent;
}
.alert-success { background: var(--card-green-bg); color: var(--card-green-ink); border-color: rgba(74,222,128,0.2); }
.alert-info { background: rgba(96,165,250,0.12); color: #93c5fd; border-color: rgba(96,165,250,0.2); }
.alert-error { background: var(--card-red-bg); color: var(--card-red-ink); border-color: rgba(255,107,111,0.2); }
.alert-warning { background: var(--card-yellow-bg); color: var(--card-yellow-ink); border-color: rgba(242,201,76,0.2); }

.link-danger { color: var(--card-red-ink); font-weight: 600; }
.link-danger:hover { text-decoration: underline; }

/* ---------------- Auth screen ---------------- */

.auth-shell {
    background: radial-gradient(circle at top left, #2b1a10, var(--bg) 60%);
}
.auth-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-pop);
    border: 1px solid var(--border);
}
.auth-mark {
    width: 40px; height: 40px; border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--pitch-500), var(--pitch-700));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
}

/* ---------------- Misc ---------------- */

.stat-tile {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    padding: 1.1rem 1.2rem;
}
.stat-tile .value { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; color: var(--text-primary); }
.stat-tile .label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); }

.divider { border-color: var(--border); }

.forum-image {
    max-width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin-top: 0.75rem;
}

.pill-muted {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.15rem 0.55rem;
}

/* ---------------- Searchable select (e.g. Referee picker) ---------------- */

.search-select { position: relative; }

.search-select-trigger {
    width: 100%;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    color: var(--text-primary);
    padding: 0.55rem 0.8rem;
    font-size: 0.875rem;
    cursor: pointer;
}
.search-select-trigger:hover { border-color: var(--pitch-500); }
.search-select-trigger .placeholder { color: var(--text-muted); }
.search-select-trigger .caret { font-size: 0.65rem; color: var(--text-muted); }

.search-select-panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-pop);
    padding: 0.5rem;
    z-index: 60;
}

.search-select-panel input[type="text"] {
    margin-bottom: 0.4rem;
}

.search-select-list {
    max-height: 190px;
    overflow-y: auto;
}

.search-select-option {
    padding: 0.5rem 0.65rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
}
.search-select-option:hover,
.search-select-option.highlighted { background: var(--surface-3); color: var(--text-primary); }

.search-select-empty {
    padding: 0.5rem 0.65rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ---------------- Modal ---------------- */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(4, 6, 9, 0.72);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 70;
}

.modal-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-pop);
    width: 100%;
    max-width: 640px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 1.75rem;
}

.modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1.1rem;
    border-bottom: 1px solid var(--border);
}
.modal-title { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--text-primary); }
.modal-subtitle { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.2rem; }
.modal-close {
    color: var(--text-muted);
    font-size: 1.4rem;
    line-height: 1;
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
}
.modal-close:hover { background: var(--surface-2); color: var(--text-primary); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form-grid .col-span-2 { grid-column: span 2 / span 2; }
@media (max-width: 560px) {
    .form-grid { grid-template-columns: 1fr; }
    .form-grid .col-span-2 { grid-column: span 1 / span 1; }
}

/* ---------------- Mobile hamburger menu ---------------- */

.hamburger {
    display: none;
    background: none;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 0.45rem 0.6rem;
    cursor: pointer;
}

.mobile-menu {
    border-top: 1px solid var(--border);
    padding: 0.75rem 1.5rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.mobile-menu .nav-link {
    width: 100%;
    justify-content: flex-start;
    border-bottom: none;
    border-left: 3px solid transparent;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.mobile-menu .nav-link.active { border-left-color: var(--pitch-500); background: var(--surface-2); }
.mobile-menu .nav-dropdown-menu { position: static; box-shadow: none; margin: 0.25rem 0 0.25rem 1rem; border-color: var(--border); }
.mobile-menu-user {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

@media (max-width: 900px) {
    .navbar-links.desktop-only,
    .navbar-user .user-chip,
    .navbar-user.desktop-only { display: none; }
    .hamburger { display: inline-flex; align-items: center; justify-content: center; }
}

/* ==========================================================================
   Full responsiveness pass — desktop, laptop, tablet, mobile.
   Rather than editing every view's markup, these rules retarget the
   Tailwind utility classes already used throughout the app (grid-cols-N,
   tables, etc.) at narrower widths, so pages built with plain (non-prefixed)
   Tailwind grid classes still collapse sensibly instead of overflowing.
   ========================================================================== */

/* No table.table-clean should ever force horizontal scroll on mobile — every
   row stacks into a labeled card below 640px instead (same technique as the
   question-review table), using each <td>'s data-label attribute. */
@media (max-width: 900px) {
    .table-clean { width: 100%; }
}

/* Collapse any hard-coded (non-responsive) Tailwind grid to a single column
   below tablet width — covers stat tiles, form grids, dashboard cards, etc.
   wherever a view used e.g. class="grid grid-cols-3" without a breakpoint.
   NOTE: the test-taking question-number navigator intentionally uses its own
   .question-nav class (not grid-cols-N) precisely so it's excluded from this
   collapse — a 25-question navigator needs to stay multi-column everywhere. */
.question-nav {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(2.35rem, 1fr));
    gap: 0.5rem;
}
.question-nav button {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    font-weight: 600;
    border: 1px solid var(--border-strong);
    background: var(--surface-2);
    color: var(--text-secondary);
    cursor: pointer;
}
.question-nav button.q-current { background: var(--pitch-500); border-color: var(--pitch-500); color: #fff; }
.question-nav button.q-answered { background: var(--card-green-bg); border-color: rgba(74,222,128,0.3); color: var(--card-green-ink); }
.question-nav button.q-unanswered { background: var(--surface-2); color: var(--text-muted); }

@media (max-width: 720px) {
    .grid-cols-2, .grid-cols-3, .grid-cols-4, .grid-cols-5 {
        grid-template-columns: 1fr !important;
    }
}
/* Tablet/laptop: allow two columns rather than jumping straight to one,
   for anything explicitly declared as 3 or 4 columns. */
@media (min-width: 721px) and (max-width: 1024px) {
    .grid-cols-3, .grid-cols-4, .grid-cols-5 {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }
}

@media (max-width: 640px) {
    .navbar-inner { padding: 0.5rem 1rem; }
    .app-main { padding: 1.25rem 1rem 3rem; }
    .mobile-menu { padding: 0.75rem 1rem 1.1rem; }
    .x-card, .card { padding: 1.1rem; }
    .modal-panel { padding: 1.25rem; }
    .stat-tile { padding: 0.9rem 1rem; }
    .stat-tile .value { font-size: 1.35rem; }
}

/* Buttons and form actions that sit side-by-side on desktop stack on phones
   so tap targets stay full-width and readable. */
@media (max-width: 480px) {
    .flex.justify-between:not(.navbar-inner) { flex-wrap: wrap; gap: 0.75rem; }
}

/* ---------------- Responsive tables (stack into labeled cards on mobile) ----------------
   Every .table-clean table (users, tests, attempts, forum admin, game
   controls, etc.) stacks into one card per row below 640px, with each field
   labeled via its <td data-label="...">, instead of scrolling horizontally.
   Long free-text columns (like a review question) wrap across multiple
   lines rather than truncating or overflowing. */
@media (max-width: 640px) {
    .table-clean {
        display: block !important;
        overflow-x: visible !important;
        white-space: normal !important;
    }
    .table-clean thead { display: none; }
    .table-clean tbody, .table-clean tr { display: block; width: 100%; }
    .table-clean tr {
        margin-bottom: 0.75rem;
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 0.75rem 0.9rem;
        background: var(--surface-2);
    }
    .table-clean td {
        display: flex !important;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: flex-start;
        gap: 0.35rem 0.75rem;
        padding: 0.35rem 0 !important;
        border: none !important;
        white-space: normal !important;
        text-align: right;
    }
    .table-clean td::before {
        content: attr(data-label);
        font-size: 0.68rem;
        text-transform: uppercase;
        letter-spacing: 0.03em;
        color: var(--text-muted);
        flex-shrink: 0;
        padding-top: 0.1rem;
        text-align: left;
    }
    /* Cells with no data-label (rare) don't render an empty uppercase
       label — just right-align their content, usually action buttons. */
    .table-clean td:not([data-label])::before { content: none; }
    /* A cell holding long free text (a question, a topic title, a report
       description) reads better stacked under its label than squeezed
       against it on the same line. */
    .table-clean td[data-wrap] {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    .table-clean td[data-wrap]::before { margin-bottom: 0.3rem; }
}


/* ---------------- Login page (split screen) ---------------- */

.login-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
}
@media (max-width: 900px) {
    .login-shell { grid-template-columns: 1fr; }
    .login-visual { display: none; }
}

.login-visual {
    position: relative;
    background:
        radial-gradient(circle at 20% 20%, rgba(234, 88, 12, 0.16), transparent 45%),
        linear-gradient(160deg, #1a120a 0%, #120c07 60%, #0a0705 100%);
    overflow: hidden;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.login-visual::before {
    /* faint basketball court lines, purely decorative */
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 15% 60%, transparent 59%, rgba(255,255,255,0.05) 60%, rgba(255,255,255,0.05) 61%, transparent 62%),
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: auto, 100% 3rem;
    pointer-events: none;
}
.tagline {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
}

.login-visual .brand-block { position: relative; z-index: 1; }
.login-visual .brand-block img { height: 64px; width: auto; display: block; margin-bottom: 0.75rem; }
.login-visual .tagline {
    position: relative;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
    color: var(--text-muted);
}
.login-visual .features {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}
.login-visual .feature-title { font-weight: 700; color: #fff; font-size: 0.95rem; }
.login-visual .feature-desc { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.15rem; }

.login-form-side {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1.5rem;
    background: var(--bg);
}

/* ---------------- Mobile menu divider ---------------- */
.mobile-menu hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 0.6rem 0;
}
.mobile-menu .mobile-user-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.3rem 0.85rem;
}

/* ---------------- Dashboard: Forum topic rows ---------------- */

.topic-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 0.4rem;
    border-bottom: 1px solid var(--border);
}
.topic-row:last-child { border-bottom: none; }
.topic-row:hover { background: var(--surface-2); }

.topic-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--surface-2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--pitch-400);
    font-size: 0.95rem;
}

.topic-main { flex: 1; min-width: 0; }
.topic-title-line { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.topic-title { font-weight: 600; color: var(--text-primary); font-size: 0.9rem; }
.topic-category { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.15rem; }

.badge-new {
    background: var(--pitch-500);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.topic-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    flex-shrink: 0;
    width: 130px;
}

.topic-stats {
    display: flex;
    gap: 0.85rem;
    font-size: 0.78rem;
    color: var(--text-muted);
    flex-shrink: 0;
    width: 90px;
}
.stat-icon {
    width: 16px;
    height: 16px;
    vertical-align: -2px;
    opacity: 0.85;
}

.topic-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    flex-shrink: 0;
    width: 90px;
    text-align: right;
}

@media (max-width: 860px) {
    .topic-row { flex-wrap: wrap; }
    .topic-author, .topic-stats, .topic-time { width: auto; }
}

/* Compact variant for topic-row used in a narrower column (e.g. the admin
   dashboard's 1-of-3 card) — always wraps regardless of viewport width,
   since the constraint here is the column's width, not the screen's. */
.topic-row.compact {
    flex-wrap: wrap;
    row-gap: 0.35rem;
}
.topic-row.compact .topic-stats,
.topic-row.compact .topic-time {
    width: auto;
}

/* ---------------- Dashboard: compact game control rows ---------------- */

.control-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 0.2rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}
.control-row:last-child { border-bottom: none; }
.control-row .teams { font-weight: 600; color: var(--text-primary); }
.control-row .meta { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.1rem; }

/* ---------------- Dashboard: score ring (pure CSS conic-gradient) ---------------- */

.score-ring {
    --pct: 0;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: conic-gradient(var(--pitch-500) calc(var(--pct) * 1%), var(--surface-3) 0);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
}
.score-ring::before {
    content: '';
    position: absolute;
    inset: 9px;
    border-radius: 50%;
    background: var(--surface);
}
.score-ring .score-value {
    position: relative;
    z-index: 1;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--text-primary);
}