/* Fonts loaded via <link> tags in HTML templates for non-blocking load */

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

:root {
    --bg: #FFF8F0;
    --bg-surface: #FFFCF8;
    --bg-raised: #FFF1E6;
    --text: #1A1A2E;
    --text-muted: #6B6B80;
    --text-faint: #9D9DAF;
    --coral: #FF6B4A;
    --coral-hover: #FF5232;
    --coral-light: #FFF0ED;
    --yellow: #FFD23F;
    --yellow-dark: #C9A100;
    --yellow-light: #FFF8E1;
    --teal: #06D6A0;
    --teal-dark: #05B587;
    --teal-light: #E6FFF7;
    --navy: #1A1A2E;
    --purple: #7C5CFC;
    --purple-light: #F0ECFF;
    --red: #E63946;
    --red-hover: #C62D38;
    --red-light: #FFF0F1;
    --border: #E8E4DF;
    --border-strong: #D1CCC6;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(26,26,46,0.06);
    --shadow-md: 0 4px 16px rgba(26,26,46,0.08);
    --shadow-lg: 0 8px 32px rgba(26,26,46,0.1);
    --font-display: 'Outfit', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    /* Type scale — perfect fourth (1.333) */
    --text-xs: 0.7rem;        /* 11.2px — badges, overlines */
    --text-sm: 0.8125rem;     /* 13px — captions, table headers */
    --text-base: 1rem;        /* 16px — body */
    --text-md: 1.125rem;      /* 18px — card titles, large body */
    --text-lg: 1.333rem;      /* 21px — h3, subheadings */
    --text-xl: 1.778rem;      /* 28px — h2 */
    --text-2xl: 2.369rem;     /* 38px — h1 */
    --text-3xl: 3.157rem;     /* 50px — display/hero */

    /* Weight roles */
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;
    --weight-extrabold: 800;
    --weight-black: 900;

    /* Spacing scale */
    --space-xs: 0.25rem;   /* 4px — tight inline gaps */
    --space-sm: 0.5rem;    /* 8px — related siblings */
    --space-md: 1rem;      /* 16px — within components */
    --space-lg: 1.5rem;    /* 24px — between components */
    --space-xl: 2.5rem;    /* 40px — between sections */
    --space-2xl: 4rem;     /* 64px — major section breaks */
    --space-3xl: 6rem;     /* 96px — page-level breathing room */
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

/* Login page: warm radial glow at center for game-show energy */
body:has(.login-hero):not(:has(.admin-login)) {
    background: radial-gradient(ellipse 80% 60% at 50% 30%, color-mix(in srgb, var(--coral) 8%, var(--bg)) 0%, var(--bg) 70%);
}

a { color: var(--coral); text-decoration: none; font-weight: 500; }
a:hover { color: var(--coral-hover); }
a:focus-visible {
    outline: 2px solid var(--coral);
    outline-offset: 2px;
    border-radius: 3px;
}

.container {
    max-width: 940px;
    margin: 0 auto;
    padding: clamp(var(--space-lg), 4vw, var(--space-2xl)) clamp(var(--space-md), 3vw, var(--space-xl));
}

/* ---- Navigation ---- */
nav {
    background: var(--navy);
    padding: 0 var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}
nav .brand {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--weight-extrabold);
    color: var(--coral);
    letter-spacing: -0.02em;
}
nav .links { display: flex; align-items: center; gap: var(--space-xs); }
nav .links a {
    color: rgba(255,255,255,0.7);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: background 0.15s, color 0.15s;
}
nav .links a:hover { background: rgba(255,255,255,0.1); color: #fff; }
nav .links a:focus-visible {
    outline: 2px solid var(--coral);
    outline-offset: 2px;
    color: #fff;
}
nav .links .team-name {
    color: #fff;
    background: var(--coral);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    padding: 0.25rem var(--space-sm);
    border-radius: var(--radius-sm);
    letter-spacing: -0.01em;
    margin-left: var(--space-xs);
}

/* ---- Headings ---- */
h1, h2, h3 {
    font-family: var(--font-display);
    color: var(--navy);
}
h1 {
    font-size: clamp(var(--text-xl), 5vw, var(--text-2xl));
    font-weight: var(--weight-black);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-xl);
}
h2 {
    font-size: var(--text-xl);
    font-weight: var(--weight-extrabold);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}
h3 {
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    line-height: 1.25;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-md);
}
p {
    max-width: 65ch;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-lg) clamp(var(--space-lg), 2vw, var(--space-xl));
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
    box-shadow: var(--shadow-md);
}
a.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    margin-bottom: var(--space-sm);
}
a.card-link:last-child { margin-bottom: 0; }
a.card-link:hover .card {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
a.card-link:focus-visible .card {
    outline: 2px solid var(--coral);
    outline-offset: 2px;
    box-shadow: var(--shadow-md);
}
a.card-link:focus-visible {
    outline: none; /* ring is on the card, not the anchor */
}

/* ---- Forms ---- */
input[type="text"], input[type="password"], textarea, select {
    background: var(--bg-surface);
    border: 2px solid var(--border);
    color: var(--text);
    padding: 0.7rem var(--space-md);
    border-radius: var(--radius-sm);
    width: 100%;
    font-family: var(--font-body);
    font-size: var(--text-base);
    transition: border-color 0.15s, box-shadow 0.15s;
}
textarea { font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Monaco, Consolas, monospace; min-height: 150px; resize: vertical; }
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--coral);
    box-shadow: 0 0 0 3px var(--coral-light);
}
input:focus-visible, textarea:focus-visible, select:focus-visible {
    outline: 2px solid var(--coral);
    outline-offset: 1px;
}

.form-group { margin-bottom: var(--space-lg); }
.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--text-muted);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.01em;
}

/* ---- Buttons ---- */
button, .btn {
    font-family: var(--font-display);
    background: var(--coral);
    color: #fff;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: var(--weight-bold);
    font-size: var(--text-base);
    letter-spacing: -0.01em;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: background 0.15s, transform 0.1s;
    text-decoration: none;
}
button:hover, .btn:hover { background: var(--coral-hover); transform: translateY(-1px); }
button:focus-visible, .btn:focus-visible {
    outline: 2px solid var(--coral);
    outline-offset: 2px;
}

.btn-secondary {
    background: var(--teal);
    color: #fff;
}
.btn-secondary:hover { background: var(--teal-dark); }

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 2px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-raised); color: var(--text); border-color: var(--border-strong); }

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

.btn-small { padding: 0.3rem 0.75rem; font-size: var(--text-sm); border-radius: 6px; }

/* ---- Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.badge-golf { background: var(--purple-light); color: var(--purple); }
.badge-puzzle { background: var(--coral-light); color: var(--coral); }
.badge-geoleet { background: var(--teal-light); color: var(--teal-dark); }
.badge-active { background: var(--teal-light); color: var(--teal-dark); }
.badge-inactive { background: var(--bg-raised); color: var(--text-faint); }

/* ---- Status ---- */
.status {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
}
.status-pending { color: var(--text-faint); }
.status-submitted { color: var(--purple); }
.status-correct { color: var(--teal); }
.status-incorrect { color: var(--red); }
.status-inline { margin-left: var(--space-md); }

/* ---- Alerts ---- */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-family: var(--font-display);
    font-weight: var(--weight-semibold);
    font-size: var(--text-base);
    border: 1.5px solid transparent;
}
.alert-error {
    background: var(--red-light);
    border-color: #F5C4C6;
    color: var(--red);
}
.alert-success {
    background: var(--teal-light);
    border-color: #9EEBD4;
    color: var(--teal-dark);
}

/* ---- Login / Onboarding ---- */
.login-hero {
    max-width: 440px;
    margin: 0 auto;
    padding-top: clamp(var(--space-2xl), 10vh, var(--space-3xl));
    text-align: center;
}
.login-title {
    font-family: var(--font-display);
    color: var(--coral);
    font-size: clamp(var(--text-2xl), 8vw, var(--text-3xl));
    font-weight: var(--weight-black);
    letter-spacing: -0.04em;
    line-height: 1.0;
    margin-bottom: var(--space-md);
}
.login-tagline {
    font-family: var(--font-display);
    font-size: var(--text-md);
    font-weight: var(--weight-semibold);
    color: var(--text-muted);
    max-width: none;
    margin-bottom: var(--space-xl);
}
.login-features {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}
.login-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-weight: var(--weight-medium);
}
.login-feature .badge {
    font-size: var(--text-sm);
    padding: var(--space-xs) var(--space-md);
}
.login-form-section {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-xl);
}
.login-label {
    display: block;
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--text-faint);
    margin-bottom: var(--space-md);
}
.login-form-section input {
    text-align: center;
    font-size: var(--text-xl);
    font-family: var(--font-display);
    font-weight: var(--weight-bold);
    letter-spacing: 0.1em;
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-md);
}
.login-form-section button {
    width: 100%;
    padding: var(--space-md);
    font-size: var(--text-md);
}
.login-spectate {
    font-size: var(--text-sm);
    color: var(--text-faint);
    max-width: none;
}
.login-spectate a {
    color: var(--text-muted);
    text-decoration: underline;
    text-decoration-color: var(--border);
    text-underline-offset: 2px;
}
.login-spectate a:hover {
    color: var(--coral);
    text-decoration-color: var(--coral);
}

/* Admin login reuses login-hero with smaller scale */
.login-hero.admin-login .login-title {
    font-size: var(--text-2xl);
    color: var(--navy);
    margin-bottom: var(--space-sm);
}
.login-hero.admin-login .login-tagline {
    margin-bottom: var(--space-xl);
}

/* ---- Game HUD (challenges page header) ---- */
.game-hud {
    display: flex;
    align-items: stretch;
    background: var(--navy);
    border-radius: var(--radius);
    padding: var(--space-xs) 0;
    flex-shrink: 0;
    animation: scaleIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}
.hud-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    min-width: 3.5rem;
}
.hud-value {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-black);
    line-height: 1;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
}
.hud-solved { color: var(--teal); }
.hud-pts    { color: var(--yellow); }
.hud-rank   { color: var(--coral); }

.hud-label {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 3px;
}
.hud-divider {
    width: 1px;
    background: rgba(255,255,255,0.12);
    margin: var(--space-sm) 0;
    align-self: stretch;
}

/* ---- Challenge List ---- */
.leet-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-lg);
}
.leet-item .leet-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}
.leet-item .leet-title {
    font-family: var(--font-display);
    font-weight: var(--weight-bold);
    font-size: var(--text-md);
    color: var(--navy);
    letter-spacing: -0.01em;
}

/* Right side of challenge card row */
.leet-right {
    text-align: right;
    flex-shrink: 0;
}
.pending-group {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}
.pts-hint {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    color: var(--text-faint);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

/* Subtle type-color background tints — badge carries the main type signal,
   tints add warmth and help scan at a glance. Gracefully degrades to --bg-surface. */
.card-type-puzzle   { background: color-mix(in srgb, var(--coral)  6%, var(--bg-surface)); }
.card-type-golf     { background: color-mix(in srgb, var(--purple)  6%, var(--bg-surface)); }
.card-type-geoleet { background: color-mix(in srgb, var(--teal)    5%, var(--bg-surface)); }

/* Completed card — teal tint signals "done". Clearly stronger than the 5% geoleet tint. */
.card-completed {
    background: var(--teal-light);
}

/* ---- Scoreboard Live Header ---- */
.live-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--teal-light);
    color: var(--teal-dark);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    border: 1.5px solid var(--teal);
    transition: background 0.25s, color 0.25s, border-color 0.25s;
    user-select: none;
}
.live-badge.flash {
    background: var(--teal);
    color: #fff;
    border-color: var(--teal-dark);
}
.live-dot {
    width: 7px;
    height: 7px;
    background: var(--teal-dark);
    border-radius: 50%;
    animation: livePulse 2s ease-in-out infinite;
    flex-shrink: 0;
    transition: background 0.25s;
}
.live-badge.flash .live-dot { background: rgba(255,255,255,0.85); }

@keyframes livePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.35; transform: scale(0.7); }
}

.live-timer {
    font-size: inherit;
    color: var(--text-faint);
}

/* ---- Scoreboard ---- */
.scoring-hint {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    max-width: none;
}
.scoreboard { width: 100%; border-collapse: separate; border-spacing: 0 var(--space-sm); }
.scoreboard th {
    padding: var(--space-sm) var(--space-lg);
    text-align: left;
    font-family: var(--font-display);
    font-weight: var(--weight-bold);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-faint);
}
.scoreboard td {
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-surface);
    font-family: var(--font-display);
    font-weight: var(--weight-semibold);
    font-size: var(--text-md);
}
.scoreboard tr td:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.scoreboard tr td:last-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

.scoreboard .rank {
    font-family: var(--font-display);
    font-weight: var(--weight-black);
    font-size: var(--text-lg);
    font-variant-numeric: tabular-nums;
    width: 2.5rem;
    text-align: center;
}
.scoreboard .rank-1 { color: var(--coral); }
.scoreboard .rank-2 { color: var(--purple); }
.scoreboard .rank-3 { color: var(--teal); }

.scoreboard .score-value {
    font-family: var(--font-display);
    font-weight: var(--weight-black);
    font-size: var(--text-xl);
    font-variant-numeric: tabular-nums;
    color: var(--navy);
}

/* Podium rows — rank-tinted backgrounds */
.scoreboard .top-row td {
    background: var(--yellow-light);
    box-shadow: var(--shadow-sm);
}
.scoreboard .rank-2-row td {
    background: var(--purple-light);
}
.scoreboard .rank-3-row td {
    background: var(--teal-light);
}

/* Podium text treatment */
.scoreboard .podium td {
    font-weight: var(--weight-bold);
}
.scoreboard .podium .rank {
    font-size: var(--text-xl);
}

/* Podium score values match their rank color */
.scoreboard .top-row .score-value { color: var(--coral); }
.scoreboard .rank-2-row .score-value { color: var(--purple); }
.scoreboard .rank-3-row .score-value { color: var(--teal-dark); }

/* Zebra striping for rows beyond podium */
.scoreboard tbody tr:nth-child(even):not(.podium) td {
    background: var(--bg-raised);
}

/* Current team highlight */
.scoreboard .my-team td {
    background: var(--coral-light) !important;
}
.scoreboard .my-team td:first-child {
    border-left: 3px solid var(--coral) !important;
}

/* Score value jump on live update */
.scoreboard .score-value.score-updated {
    animation: scoreJump 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes scoreJump {
    0%   { transform: scale(1.5); color: var(--yellow-dark); }
    100% { transform: scale(1); }
}

/* Row highlight when rank changes — inset box-shadow overlay avoids background conflicts */
.scoreboard tbody tr.rank-changed td {
    animation: rankHighlight 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes rankHighlight {
    0%   { box-shadow: inset 0 0 0 200px rgba(255, 210, 63, 0.45); }
    100% { box-shadow: inset 0 0 0 200px rgba(255, 210, 63, 0); }
}

/* ---- Golf Standings ---- */
.golf-standings {
    margin-top: var(--space-2xl);
}
.golf-section-header {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}
.golf-standings-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-black);
    color: var(--navy);
    letter-spacing: -0.03em;
    text-transform: uppercase;
}
.golf-section-sub {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.golf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: var(--space-md);
}
.golf-card {
    background: var(--navy);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    animation: golfCardIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.golf-card:nth-child(2) { animation-delay: 0.07s; }
.golf-card:nth-child(3) { animation-delay: 0.14s; }
.golf-card:nth-child(4) { animation-delay: 0.21s; }
.golf-card:nth-child(5) { animation-delay: 0.28s; }
.golf-card-title {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-xs);
}
.golf-card-score {
    display: flex;
    align-items: baseline;
    gap: 0.35em;
    margin: var(--space-sm) 0 var(--space-md);
}
.golf-chars {
    font-family: var(--font-display);
    font-weight: var(--weight-black);
    font-variant-numeric: tabular-nums;
    font-size: clamp(2.8rem, 7vw, 4rem);
    color: var(--coral);
    line-height: 1;
    letter-spacing: -0.04em;
}
.golf-chars-pending {
    color: rgba(255,255,255,0.15);
}
.golf-unit {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    color: rgba(255,255,255,0.3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    align-self: flex-end;
    padding-bottom: 0.4em;
}
.golf-card-leader {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--teal);
    margin-top: auto;
}
.golf-card-leader .golf-me {
    color: var(--yellow);
    font-weight: var(--weight-black);
}
.golf-tie {
    color: rgba(255,255,255,0.25);
    margin: 0 0.2em;
}
.golf-card-leader-pending {
    color: rgba(255,255,255,0.2);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    font-style: italic;
}
@keyframes golfCardIn {
    from { opacity: 0; transform: translateY(14px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
@media (prefers-reduced-motion: reduce) {
    .golf-card { animation: none; }
}

/* ---- Phase Indicator ---- */
.phase-indicator {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-md);
    border-radius: 6px;
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    letter-spacing: 0.02em;
    margin-bottom: var(--space-md);
}
.phase-1 { background: var(--coral-light); color: var(--coral); }
.phase-2 { background: var(--teal-light); color: var(--teal-dark); }

/* Type hint — explains what to do */
.type-hint {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    max-width: 55ch;
}

/* ---- Leet Detail ---- */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-muted);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    margin-bottom: var(--space-md);  /* tight: back-link → header */
}
.back-link:hover { color: var(--coral); }

.leet-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);  /* generous: header → description */
}
.leet-header h1 { margin-bottom: 0; }

.description-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-xl) clamp(var(--space-lg), 3vw, var(--space-xl));
    margin-bottom: var(--space-xl);  /* generous: description → form */
    box-shadow: var(--shadow-sm);
    font-size: var(--text-md);
    line-height: 1.75;
}

.location-card {
    background: var(--teal-light);
    border: 2px solid var(--teal);
    border-radius: var(--radius);
    padding: var(--space-lg) var(--space-xl);
    margin-bottom: var(--space-xl);
}
.location-card .location-clue {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--weight-extrabold);
    color: var(--teal-dark);
    letter-spacing: -0.01em;
    margin-top: var(--space-sm);
}

/* ---- Admin Tables ---- */
table.admin-table { width: 100%; border-collapse: collapse; }
table.admin-table th {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    font-family: var(--font-display);
    font-weight: var(--weight-bold);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-faint);
    border-bottom: 2px solid var(--border);
}
table.admin-table td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border);
    font-size: var(--text-base);
    vertical-align: middle;
}
table.admin-table code {
    background: var(--bg-raised);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--purple);
}

/* ---- Admin Dashboard Stats ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}
.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-lg) var(--space-xl);
    box-shadow: var(--shadow-sm);
}
.stat-card .stat-value {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-black);
    font-variant-numeric: tabular-nums;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-sm);
}
.stat-card .stat-label {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.stat-card.coral .stat-value { color: var(--coral); }
.stat-card.teal .stat-value { color: var(--teal); }
.stat-card.purple .stat-value { color: var(--purple); }
.stat-card.yellow .stat-value { color: var(--yellow-dark); }

/* ---- Page Header with Action ---- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}
.page-header h1 { margin-bottom: 0; }

/* ---- Filter Bar ---- */
.filter-bar {
    display: flex;
    gap: var(--space-md);
    align-items: end;
    margin-bottom: var(--space-xl);
}
.filter-bar .form-group {
    flex: 1;
    margin-bottom: 0;
}

/* ---- Truncated Cell ---- */
.cell-truncate {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ---- Admin Actions Row ---- */
.actions-row {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: var(--space-2xl) var(--space-md);
    color: var(--text-faint);
}
.empty-state p {
    font-family: var(--font-display);
    font-size: var(--text-md);
    font-weight: var(--weight-medium);
    margin-top: var(--space-sm);
    max-width: none;
}

/* Rich empty state with card */
.empty-state-card {
    text-align: center;
    background: var(--bg-surface);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl) var(--space-xl);
}
.empty-state-heading {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--weight-extrabold);
    color: var(--text);
    margin-bottom: var(--space-sm);
    max-width: none;
}
.empty-state-body {
    font-size: var(--text-base);
    color: var(--text-muted);
    margin-bottom: var(--space-xl);
    max-width: 45ch;
    margin-left: auto;
    margin-right: auto;
}

/* ---- Utility ---- */
.muted { color: var(--text-muted); }
.faint { color: var(--text-faint); }
.text-sm { font-size: var(--text-sm); }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.inline { display: inline; }
.text-right { text-align: right; }
.btn-cancel { margin-left: var(--space-md); }

/* ---- Animations ---- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: scale(1); }
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes celebratePop {
    0% { opacity: 0; transform: scale(0.8); }
    50% { transform: scale(1.03); }
    100% { opacity: 1; transform: scale(1); }
}
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
/* Staggered entrance for card lists */
.card-link {
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.card-link:nth-child(1) { animation-delay: 0.05s; }
.card-link:nth-child(2) { animation-delay: 0.1s; }
.card-link:nth-child(3) { animation-delay: 0.15s; }
.card-link:nth-child(4) { animation-delay: 0.2s; }
.card-link:nth-child(5) { animation-delay: 0.25s; }
.card-link:nth-child(6) { animation-delay: 0.3s; }
.card-link:nth-child(7) { animation-delay: 0.35s; }
.card-link:nth-child(8) { animation-delay: 0.4s; }

/* Completed card — checkmark icon */
.card-completed .status-correct::before {
    content: "\2713\00a0";
}

/* Scoreboard row entrances */
.scoreboard tbody tr {
    animation: fadeInUp 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.scoreboard tbody tr:nth-child(1) { animation-delay: 0.05s; }
.scoreboard tbody tr:nth-child(2) { animation-delay: 0.1s; }
.scoreboard tbody tr:nth-child(3) { animation-delay: 0.15s; }
.scoreboard tbody tr:nth-child(4) { animation-delay: 0.2s; }
.scoreboard tbody tr:nth-child(5) { animation-delay: 0.25s; }
.scoreboard tbody tr:nth-child(6) { animation-delay: 0.3s; }

/* Top row shimmer highlight */
.scoreboard .top-row td {
    background: linear-gradient(
        110deg,
        var(--yellow-light) 0%,
        #FFF3C4 45%,
        var(--yellow-light) 55%,
        var(--yellow-light) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

/* Success alert — subdued entrance for non-celebrate cases (golf submit, already solved) */
.alert-success {
    animation: fadeInUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* ---- Win Banner — Kahoot-energy correct answer celebration ---- */
.win-banner {
    background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl) var(--space-xl);
    text-align: center;
    margin-bottom: var(--space-xl);
    animation: winBannerPop 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
    position: relative;
    overflow: hidden;
}
.win-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,0.18) 0%, transparent 65%);
    pointer-events: none;
}
.win-check {
    font-size: 3.5rem;
    color: #fff;
    font-weight: var(--weight-black);
    line-height: 1;
    display: block;
    margin-bottom: var(--space-sm);
    animation: checkBounce 0.55s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both;
}
.win-pts {
    font-family: var(--font-display);
    font-size: clamp(var(--text-2xl), 10vw, var(--text-3xl));
    font-weight: var(--weight-black);
    color: var(--yellow);
    line-height: 1;
    letter-spacing: -0.04em;
    display: block;
    margin-bottom: var(--space-sm);
    animation: winPtsReveal 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
    text-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.win-msg {
    font-family: var(--font-display);
    font-size: var(--text-md);
    font-weight: var(--weight-bold);
    color: rgba(255,255,255,0.92);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.45s both;
    max-width: none;
}
.win-return {
    background: rgba(255,255,255,0.18);
    color: #fff;
    border: 2px solid rgba(255,255,255,0.5);
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
}
.win-return:hover {
    background: rgba(255,255,255,0.32);
    color: #fff;
    transform: translateY(-1px);
}
.win-return:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* Win banner type-specific color variants */
.win-banner[data-type="puzzle"] {
    background: linear-gradient(135deg, var(--coral) 0%, #d94f2e 100%);
}
.win-banner[data-type="golf"] {
    background: linear-gradient(135deg, var(--purple) 0%, #5438d4 100%);
}
/* geoleet keeps the default teal gradient */

/* For puzzle/golf banners, keep +pts readable against warm/cool BG */
.win-banner[data-type="puzzle"] .win-pts,
.win-banner[data-type="golf"] .win-pts {
    color: #fff;
    text-shadow: 0 2px 16px rgba(0,0,0,0.25);
}

@keyframes winBannerPop {
    0%   { opacity: 0; transform: scale(0.88) translateY(20px); }
    100% { opacity: 1; transform: scale(1)    translateY(0); }
}
@keyframes checkBounce {
    0%   { opacity: 0; transform: scale(0) rotate(-15deg); }
    55%  { transform: scale(1.25) rotate(6deg); }
    75%  { transform: scale(0.95) rotate(-2deg); }
    100% { opacity: 1; transform: scale(1) rotate(0deg); }
}
@keyframes winPtsReveal {
    0%   { opacity: 0; transform: translateY(24px) scale(0.75); }
    100% { opacity: 1; transform: translateY(0)    scale(1); }
}

/* Error alert — gentle slide in */
.alert-error {
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Login page entrances */
.login-hero .login-title {
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.login-hero .login-tagline {
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}
.login-hero .login-features {
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}
.login-hero .login-form-section {
    animation: scaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}
.login-hero .login-spectate {
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.45s both;
}

/* Button press feedback */
button:active, .btn:active {
    transform: translateY(1px) scale(0.98);
    transition: transform 0.05s;
}

/* Location card entrance (geoleet phase 2 reveal) */
.location-card {
    animation: celebratePop 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Description card entrance */
.description-card {
    animation: scaleIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-delay: 0s !important;
        transition-duration: 0.01ms !important;
    }
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
    nav { padding: 0 var(--space-md); height: 52px; }
    nav .links { gap: 0; }
    nav .links a { padding: var(--space-xs) var(--space-sm); font-size: var(--text-xs); }
    .leet-item { flex-direction: column; align-items: flex-start; gap: var(--space-sm); }
    .leet-right { text-align: left; }
    .pending-group { align-items: flex-start; }
    .game-hud { display: none; } /* HUD collapses on small screens — scoreboard shows rank */
    .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
    .stat-card { padding: var(--space-md) var(--space-lg); }
    .scoreboard td { padding: var(--space-sm) var(--space-md); }
    .login-hero { padding-top: var(--space-xl); }
    .login-features { gap: var(--space-md); }
    .login-form-section { padding: var(--space-lg); }
    .filter-bar { flex-direction: column; }
}