/* Shared design system for every page. Playful storybook: paper, ink outlines, sticker shadows. */

:root {
    --paper: #fbf5e9;
    --paper-2: #f3ead7;
    --card: #fffdf7;
    --ink: #1f2240;
    --ink-2: #555a7a;
    --line: #1f2240;
    --muted-line: #e4d9c2;
    --red: #d7263d;
    --red-ink: #a3182b;
    --navy: #2b4c9b;
    --sun: #f5b700;
    --green: #2a9d6f;
    --danger-bg: #fde8ea;
    --success-bg: #e3f6ec;
    --shadow: 4px 4px 0 var(--line);
    --shadow-sm: 2px 2px 0 var(--line);
    --radius: 18px;
    --radius-sm: 12px;
    --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
    --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
    --font-display: "Fredoka", "Nunito", system-ui, sans-serif;
    --font-body: "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --paper: #161933;
        --paper-2: #1d2142;
        --card: #232852;
        --ink: #f5efe2;
        --ink-2: #b4b8d6;
        --line: #0b0d1f;
        --muted-line: #343a6b;
        --red: #ff5a6e;
        --red-ink: #ff8594;
        --navy: #8fb0ff;
        --danger-bg: #43213a;
        --success-bg: #1d3b3c;
        color-scheme: dark;
    }
}

*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    min-height: 100vh;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Subtle paper grain via layered gradients (no image requests). */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: radial-gradient(rgba(0, 0, 0, 0.035) 1px, transparent 1px);
    background-size: 18px 18px;
    z-index: 0;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; margin: 0; font-weight: 600; }

a { color: var(--navy); }

.icon { width: 20px; height: 20px; flex: none; stroke: currentColor; fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.icon-fill { fill: currentColor; stroke: none; }

.hide-sm { display: inline; }
.nowrap { white-space: nowrap; }
.small { font-size: 14px; }
@media (max-width: 640px) { .hide-sm { display: none; } }
.hide-xs { display: inline; }
@media (max-width: 480px) { .hide-xs { display: none; } }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }

:focus-visible { outline: 3px solid var(--sun); outline-offset: 3px; border-radius: 8px; }

/* ---------- stripe band + top bar ---------- */

.stripes {
    height: 10px;
    background: repeating-linear-gradient(90deg, #ffd21f 0 22px, #1b1b1f 22px 44px);
    border-bottom: 2px solid var(--line);
}

.topbar {
    position: relative;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--ink);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 22px;
    letter-spacing: 0.2px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--red);
    color: #fff;
    border: 2px solid var(--line);
    box-shadow: var(--shadow-sm);
}

.brand em { font-style: normal; color: var(--red); }

.nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }

.chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 2px solid var(--line);
    background: var(--card);
    font-weight: 700;
    font-size: 14px;
    max-width: 240px;
}

.chip span.name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- buttons ---------- */

.btn {
    --btn-bg: var(--card);
    --btn-fg: var(--ink);
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--line);
    background: var(--btn-bg);
    color: var(--btn-fg);
    font: 700 16px/1 var(--font-body);
    text-decoration: none;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform 140ms var(--ease-out), box-shadow 140ms var(--ease-out), background-color 150ms ease;
    user-select: none;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

.btn:active { transform: translate(2px, 2px) scale(0.97); box-shadow: 0 0 0 var(--line); }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; transform: none; }

@media (hover: hover) and (pointer: fine) {
    .btn:hover:not([disabled]) { transform: translate(-1px, -1px); box-shadow: 3px 3px 0 var(--line); }
    .btn:active:not([disabled]) { transform: translate(2px, 2px) scale(0.97); box-shadow: 0 0 0 var(--line); }
}

.btn-primary { --btn-bg: var(--red); --btn-fg: #fff; }
.btn-dark { --btn-bg: var(--ink); --btn-fg: var(--paper); }
.btn-ghost { box-shadow: none; border-color: transparent; background: transparent; }
.btn-lg { min-height: 56px; padding: 14px 28px; font-size: 19px; border-radius: 16px; box-shadow: var(--shadow); }
.btn-lg:active { transform: translate(4px, 4px) scale(0.98); }
/* Small phones: long labels wrap instead of pushing their card off the screen. */
@media (max-width: 400px) {
    .btn-lg { padding: 12px 18px; font-size: 17px; white-space: normal; text-align: center; }
}
.btn-icon { width: 44px; padding: 0; }

/* ---------- cards ---------- */

.card {
    position: relative;
    background: var(--card);
    border: 2px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.page {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 8px 16px 48px;
}

.eyebrow {
    display: inline-block;
    font: 800 12px/1 var(--font-body);
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: var(--red);
}

.muted { color: var(--ink-2); }

/* ---------- leaderboard table (shared) ---------- */

.board { width: 100%; border-collapse: separate; border-spacing: 0; font-variant-numeric: tabular-nums; }
.board th {
    text-align: left;
    font: 800 12px/1 var(--font-body);
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--ink-2);
    padding: 10px 12px;
    border-bottom: 2px solid var(--line);
}
.board td { padding: 12px; border-bottom: 1px dashed var(--muted-line); vertical-align: middle; }
.board tr:last-child td { border-bottom: 0; }
.board .num { text-align: right; white-space: nowrap; }
.board .player { font-weight: 700; max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board tr.me td { background: color-mix(in srgb, var(--sun) 18%, transparent); }

.rank {
    display: inline-grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid var(--line);
    font: 700 14px/1 var(--font-display);
    background: var(--paper-2);
}
.rank-1 { background: #ffd43b; color: #1f2240; }
.rank-2 { background: #dfe3ee; color: #1f2240; }
.rank-3 { background: #f0b27a; color: #1f2240; }

.empty {
    display: grid;
    place-items: center;
    gap: 6px;
    text-align: center;
    padding: 36px 16px;
    color: var(--ink-2);
}

.skeleton-row { height: 44px; border-radius: 10px; margin: 8px 0; background: linear-gradient(90deg, var(--paper-2), var(--card), var(--paper-2)); background-size: 200% 100%; animation: shimmer 1.2s linear infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab {
    appearance: none;
    min-height: 40px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 2px solid var(--line);
    background: var(--card);
    color: var(--ink);
    font: 700 14px/1 var(--font-body);
    cursor: pointer;
    transition: background-color 150ms ease, color 150ms ease;
}
.tab[aria-selected="true"] { background: var(--ink); color: var(--paper); }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
    .btn, .tab { transition: background-color 150ms ease; }
}

@media (max-width: 640px) {
    .brand { font-size: 17px; white-space: nowrap; gap: 8px; }
    .brand-mark { width: 32px; height: 32px; }
    .topbar { padding: 12px; gap: 8px; }
    .nav { flex-wrap: nowrap; gap: 6px; }
    .nav .btn { padding: 8px 12px; }
    .nav .btn-icon { padding: 0; width: 44px; }
}

/* Small phones: header buttons go icon-only so the bar never runs off the screen. */
@media (max-width: 480px) {
    .nav .btn:not(.btn-primary) { padding: 0; width: 42px; justify-content: center; gap: 0; }
    .nav .chip { padding-inline: 8px; }
}
@media (max-width: 360px) {
    .brand > span:not(.brand-mark) { display: none; }
}

/* ---------- week / all-time toggle ---------- */

.board-sub { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 4px 0 6px; }
.period { display: inline-flex; border: 2px solid var(--line); border-radius: 999px; overflow: hidden; }
.period[hidden] { display: none; }
.seg {
    appearance: none;
    min-height: 36px;
    padding: 6px 14px;
    border: 0;
    background: var(--card);
    color: var(--ink);
    font: 700 13px/1 var(--font-body);
    cursor: pointer;
    transition: background-color 150ms ease, color 150ms ease;
}
.seg + .seg { border-left: 2px solid var(--line); }
.seg[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

/* ---------- site footer (shared) ---------- */

.site-footer { position: relative; z-index: 1; margin-top: 48px; border-top: 2px solid var(--line); background: var(--paper-2); }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 28px 16px 36px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; }
.footer-inner p { margin: 6px 0 0; max-width: 42ch; }
.footer-inner .support-line a { color: var(--navy); text-decoration: underline; word-break: break-all; }
.footer-inner ul { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 6px; }
.footer-inner a { color: var(--ink); font-weight: 600; text-decoration: none; }
.footer-inner a:hover { text-decoration: underline; }
@media (max-width: 640px) { .footer-inner { grid-template-columns: 1fr 1fr; } .footer-inner > div { grid-column: 1 / -1; } }

/* ---------- landing pages (shared) ---------- */

.landing { position: relative; z-index: 1; max-width: 960px; margin: 0 auto; padding: 8px 16px 24px; }
.landing-hero { padding: 24px 0 8px; }
.landing-hero h1 { font-size: clamp(30px, 5vw, 48px); margin: 8px 0 12px; letter-spacing: -0.3px; }
.landing-hero p { font-size: 18px; color: var(--ink-2); max-width: 62ch; margin: 0 0 20px; }
.fact-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin: 20px 0; }
.fact { padding: 12px; border: 2px solid var(--line); border-radius: 14px; background: var(--card); text-align: center; }
.fact dt { font: 800 11px/1 var(--font-body); letter-spacing: 1px; text-transform: uppercase; color: var(--ink-2); }
.fact dd { margin: 6px 0 0; font: 600 24px/1 var(--font-display); font-variant-numeric: tabular-nums; }
.landing-card { padding: 20px 22px; margin-top: 24px; }
.landing-card h2 { font-size: 22px; margin-bottom: 8px; }
.chip-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chip-links a { text-decoration: none; color: var(--ink); }
.board .player a { color: inherit; }