/* ==========================================================================
   Leaderboard platform - design tokens & public site styles
   ========================================================================== */

:root {
    --lb-ink: #060c22;
    --lb-navy: #0e1b4d;
    --lb-accent: #f82249;
    --lb-accent-dark: #c4123a;
    --lb-accent-soft: #f5b3c1;
    --lb-bg: #f6f7fd;
    --lb-surface: #fff;
    --lb-surface-alt: #f7f8fc;
    --lb-text: #1c2333;
    --lb-body: #4a5273;
    --lb-muted: #5b6482;
    --lb-muted-2: #6d7590;
    --lb-muted-3: #8b93ad;
    --lb-on-dark: #b9c0d6;
    --lb-on-dark-dim: #8d97b4;
    --lb-border: #e3e7f3;
    --lb-border-strong: #d5dbeb;
    --lb-border-soft: #eef0f7;
    --lb-notice-bg: #fff2f5;
    --lb-notice-border: #f6d3dc;
    --lb-notice-text: #5d2230;
    --lb-gold: #c9a227;
    --lb-silver: #8a94a6;
    --lb-bronze: #b06a3b;
    --lb-radius: 6px;
    --lb-radius-sm: 3px;
    --lb-shell: 1140px;
    --lb-header-h: 64px;
    --lb-font: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --lb-serif: "Instrument Serif", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--lb-font);
    color: var(--lb-text);
    background: var(--lb-bg);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.15; font-weight: 700; }
p { margin: 0 0 1em; color: var(--lb-body); line-height: 1.65; }

.lb-shell {
    max-width: var(--lb-shell);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------------------------- Header / Nav ---------------------------- */
.lb-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--lb-header-h);
    display: flex;
    align-items: center;
    background: var(--lb-ink);
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.lb-header .lb-shell { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.lb-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; color: #fff; font-size: 18px; letter-spacing: .2px; }
.lb-logo .lb-logo-img { height: 48px; width: auto; flex-shrink: 0; }
.lb-nav { display: flex; align-items: center; gap: 28px; }
.lb-nav a { color: var(--lb-on-dark); font-size: 14px; font-weight: 600; padding: 8px 0; position: relative; }
.lb-nav a:hover, .lb-nav a.is-active { color: #fff; }
.lb-nav a.is-active::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--lb-accent);
}
.lb-nav-actions { display: flex; align-items: center; gap: 10px; }
.lb-burger { display: none; background: none; border: 0; color: #fff; font-size: 22px; cursor: pointer; }

/* ------------------------------- Buttons ------------------------------- */
.lb-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 11px 22px; border-radius: 999px; font-weight: 700; font-size: 14px;
    border: 1px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.lb-btn:active { transform: translateY(1px); }
.lb-btn-primary { background: var(--lb-accent); color: #fff; }
.lb-btn-primary:hover { background: var(--lb-accent-dark); }
.lb-btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.lb-btn-ghost:hover { border-color: #fff; }
.lb-btn-outline { background: transparent; color: var(--lb-accent); border-color: var(--lb-accent); }
.lb-btn-outline:hover { background: var(--lb-accent); color: #fff; }
.lb-btn-dark { background: var(--lb-navy); color: #fff; }
.lb-btn-dark:hover { background: var(--lb-ink); }
.lb-btn-sm { padding: 7px 16px; font-size: 13px; }
.lb-btn-block { width: 100%; }
.lb-btn[disabled] { opacity: .5; cursor: not-allowed; }

/* --------------------------------- Hero --------------------------------- */
.lb-hero {
    position: relative;
    background: radial-gradient(120% 140% at 15% 0%, #16215a 0%, var(--lb-ink) 55%, #04081a 100%);
    color: #fff;
    padding: 84px 0 96px;
    overflow: hidden;
}
.lb-hero::before {
    content: "";
    position: absolute; inset: 0;
    background-image: radial-gradient(rgba(248,34,73,.25) 0, transparent 60%);
    background-position: 90% -10%;
    background-size: 60% 60%;
    background-repeat: no-repeat;
}
.lb-hero-inner { position: relative; z-index: 1; max-width: 720px; }
.lb-hero-edition {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18);
    padding: 6px 14px; border-radius: 999px; font-size: 12px; font-weight: 700;
    letter-spacing: .08em; text-transform: uppercase; color: var(--lb-on-dark); margin-bottom: 22px;
}
.lb-hero-title {
    font-family: var(--lb-serif); font-weight: 400; font-size: clamp(38px, 6vw, 64px);
    line-height: 1.05; margin-bottom: 18px;
}
.lb-hero-title em { color: var(--lb-accent); font-style: normal; }
.lb-hero-sub { color: var(--lb-on-dark); font-size: 17px; max-width: 540px; margin-bottom: 30px; }
.lb-hero-venue { display: flex; flex-wrap: wrap; gap: 22px; margin-bottom: 34px; color: var(--lb-on-dark); font-size: 14px; }
.lb-hero-venue span { display: flex; align-items: center; gap: 8px; }
.lb-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ------------------------------ Live ticker ------------------------------ */
.lb-ticker {
    background: var(--lb-accent); color: #fff; overflow: hidden; white-space: nowrap;
    position: relative; height: 42px; display: flex; align-items: center;
}
.lb-ticker-label {
    background: var(--lb-accent-dark); padding: 0 16px; height: 100%; display: flex; align-items: center;
    font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; flex-shrink: 0; z-index: 2;
}
.lb-ticker-track { display: flex; gap: 60px; padding-left: 24px; animation: lb-scroll 22s linear infinite; }
.lb-ticker-track span { font-size: 14px; font-weight: 600; }
.lb-ticker:hover .lb-ticker-track { animation-play-state: paused; }
@keyframes lb-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* -------------------------------- Sections -------------------------------- */
.lb-section { padding: 64px 0; }
.lb-section-alt { background: var(--lb-surface-alt); }
.lb-section-head { max-width: 620px; margin: 0 auto 40px; text-align: center; }
.lb-eyebrow {
    display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
    color: var(--lb-accent); margin-bottom: 10px;
}
.lb-section-title { font-family: var(--lb-serif); font-weight: 400; font-size: clamp(28px, 4vw, 38px); }
.lb-section-heading { font-size: 20px; font-weight: 800; margin-bottom: 16px; color: var(--lb-text); }

.lb-page-header { background: var(--lb-ink); color: #fff; padding: 52px 0 60px; }
.lb-page-title { font-family: var(--lb-serif); font-weight: 400; font-size: clamp(32px, 5vw, 46px); margin-bottom: 8px; }
.lb-page-lede { color: var(--lb-on-dark); max-width: 620px; margin: 0; }

/* --------------------------------- Cards --------------------------------- */
.lb-grid { display: grid; gap: 22px; }
.lb-grid-3 { grid-template-columns: repeat(3, 1fr); }
.lb-grid-4 { grid-template-columns: repeat(4, 1fr); }
.lb-card {
    background: var(--lb-surface); border: 1px solid var(--lb-border); border-radius: var(--lb-radius);
    padding: 26px; box-shadow: 0 1px 2px rgba(6,12,34,.03);
}
.lb-card h3 { font-size: 17px; margin-bottom: 8px; }
.lb-card .lb-card-icon {
    width: 42px; height: 42px; border-radius: 10px; background: var(--lb-notice-bg); color: var(--lb-accent);
    display: flex; align-items: center; justify-content: center; font-weight: 800; margin-bottom: 14px; font-size: 18px;
}
.lb-stat-card { text-align: center; }
.lb-stat-card .lb-stat-value { font-family: var(--lb-serif); font-size: 40px; color: var(--lb-accent); }
.lb-stat-card .lb-stat-label { font-size: 13px; color: var(--lb-muted); text-transform: uppercase; letter-spacing: .06em; font-weight: 700; }

/* -------------------------------- Leaderboard board -------------------------------- */
.lb-tabs { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.lb-tab {
    padding: 8px 18px; border-radius: 999px; border: 1px solid var(--lb-border-strong); background: #fff;
    font-weight: 700; font-size: 13px; cursor: pointer; color: var(--lb-muted);
}
.lb-tab.is-active { background: var(--lb-ink); color: #fff; border-color: var(--lb-ink); }

.lb-toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 20px; flex-wrap: wrap; justify-content: space-between; }
.lb-search { position: relative; flex: 1; min-width: 220px; max-width: 320px; }
.lb-search input {
    width: 100%; padding: 10px 14px 10px 36px; border-radius: 999px; border: 1px solid var(--lb-border-strong);
    font-size: 14px; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%238b93ad' stroke-width='2' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E") no-repeat 12px center;
}

.lb-board { display: flex; flex-direction: column; gap: 10px; }
.lb-board-row { background: #fff; border: 1px solid var(--lb-border); border-radius: var(--lb-radius); overflow: hidden; }
.lb-board-row.is-top1 { border-color: var(--lb-gold); box-shadow: 0 0 0 1px var(--lb-gold) inset; }
.lb-board-row.is-top2 { border-color: var(--lb-silver); }
.lb-board-row.is-top3 { border-color: var(--lb-bronze); }
.lb-board-header {
    width: 100%; display: grid; grid-template-columns: 48px 1fr auto auto; align-items: center; gap: 16px;
    padding: 16px 20px; background: none; border: 0; cursor: pointer; text-align: left; font: inherit; color: inherit;
}
.lb-board-rank {
    width: 36px; height: 36px; border-radius: 50%; background: var(--lb-surface-alt); color: var(--lb-muted);
    display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 15px;
}
.is-top1 .lb-board-rank { background: var(--lb-gold); color: #fff; }
.is-top2 .lb-board-rank { background: var(--lb-silver); color: #fff; }
.is-top3 .lb-board-rank { background: var(--lb-bronze); color: #fff; }
.lb-board-name { font-weight: 800; font-size: 16px; }
.lb-board-name small { display: block; font-weight: 500; color: var(--lb-muted-2); font-size: 12px; margin-top: 2px; }
.lb-board-points { font-family: var(--lb-serif); font-size: 26px; color: var(--lb-accent); white-space: nowrap; }
.lb-board-points span { font-family: var(--lb-font); font-size: 11px; color: var(--lb-muted); font-weight: 700; text-transform: uppercase; margin-left: 4px; }
.lb-board-chevron { transition: transform .2s ease; color: var(--lb-muted-3); }
.lb-board-row.is-open .lb-board-chevron { transform: rotate(180deg); }
.lb-board-body { display: none; border-top: 1px solid var(--lb-border-soft); background: var(--lb-surface-alt); }
.lb-board-row.is-open .lb-board-body { display: block; }
.lb-board-empty { padding: 16px 20px; color: var(--lb-muted); font-size: 14px; }

.lb-subgroup-block { padding: 14px 20px; border-bottom: 1px solid var(--lb-border-soft); }
.lb-subgroup-block:last-child { border-bottom: 0; }
.lb-subgroup-title { display: flex; justify-content: space-between; align-items: center; font-weight: 700; font-size: 14px; margin-bottom: 8px; }
.lb-subgroup-title .lb-pts { color: var(--lb-accent); font-weight: 800; }

table.lb-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.lb-table th, table.lb-table td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--lb-border-soft); }
table.lb-table th { color: var(--lb-muted); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; font-weight: 800; }
table.lb-table th.is-numeric, table.lb-table td.is-numeric { text-align: right; }
table.lb-table tr:last-child td { border-bottom: 0; }

.lb-medal { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; }
.lb-medal-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.lb-medal-1 .lb-medal-dot { background: var(--lb-gold); }
.lb-medal-2 .lb-medal-dot { background: var(--lb-silver); }
.lb-medal-3 .lb-medal-dot { background: var(--lb-bronze); }

/* --------------------------------- Notice --------------------------------- */
.lb-notice { background: var(--lb-notice-bg); border: 1px solid var(--lb-notice-border); color: var(--lb-notice-text); padding: 14px 18px; border-radius: var(--lb-radius); font-size: 14px; margin-bottom: 24px; }
.lb-notice-success { background: #f0fbf4; border-color: #c9ecd4; color: #1d5c34; }
.lb-notice-error { background: #fff2f5; border-color: #f6d3dc; color: #5d2230; }

/* --------------------------------- Points table (About) --------------------------------- */
.lb-points-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 10px; }
.lb-points-card { border: 1px solid var(--lb-border); border-radius: var(--lb-radius); padding: 18px; background: #fff; }
.lb-points-card h4 { font-size: 14px; margin-bottom: 10px; }
.lb-points-card ul li { display: flex; justify-content: space-between; font-size: 13px; color: var(--lb-body); padding: 4px 0; border-bottom: 1px dashed var(--lb-border-soft); }
.lb-points-card ul li:last-child { border-bottom: 0; }

/* --------------------------------- Schedule --------------------------------- */
.lb-schedule-day { margin-bottom: 34px; }
.lb-schedule-day h3 { font-family: var(--lb-serif); font-size: 24px; font-weight: 400; margin-bottom: 14px; color: var(--lb-navy); }
.lb-schedule-row { display: grid; grid-template-columns: 140px 1fr 200px; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--lb-border); align-items: center; }
.lb-schedule-time { font-weight: 800; color: var(--lb-accent); font-size: 13px; }
.lb-schedule-title { font-weight: 700; }
.lb-schedule-venue { color: var(--lb-muted); font-size: 13px; text-align: right; }

/* --------------------------------- Events grid --------------------------------- */
.lb-event-card { border: 1px solid var(--lb-border); border-radius: var(--lb-radius); background: #fff; padding: 20px; }
.lb-event-card .lb-tag { display: inline-block; background: var(--lb-notice-bg); color: var(--lb-accent-dark); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; padding: 4px 10px; border-radius: 999px; margin-bottom: 10px; }
.lb-event-card h3 { font-size: 16px; margin-bottom: 6px; }
.lb-event-meta { font-size: 12px; color: var(--lb-muted); display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; }
.lb-status { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 800; text-transform: uppercase; }
.lb-status-upcoming { background: #eef2ff; color: #3949ab; }
.lb-status-ongoing { background: #fff2f5; color: var(--lb-accent-dark); }
.lb-status-completed { background: #eef7ef; color: #2e7d4f; }

/* --------------------------------- Forms --------------------------------- */
.lb-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.lb-field { margin-bottom: 18px; }
.lb-field label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; color: var(--lb-text); }
.lb-field .lb-hint { font-size: 12px; color: var(--lb-muted); margin-top: 4px; }
.lb-field input, .lb-field select, .lb-field textarea {
    width: 100%; padding: 11px 14px; border: 1px solid var(--lb-border-strong); border-radius: var(--lb-radius-sm);
    font-size: 14px; font-family: inherit; background: #fff; color: var(--lb-text);
}
.lb-field input:focus, .lb-field select:focus, .lb-field textarea:focus { outline: none; border-color: var(--lb-accent); box-shadow: 0 0 0 3px rgba(248,34,73,.12); }
.lb-form-card { background: #fff; border: 1px solid var(--lb-border); border-radius: var(--lb-radius); padding: 32px; max-width: 720px; margin: 0 auto; }

/* --------------------------------- Footer --------------------------------- */
.lb-footer { background: var(--lb-ink); color: var(--lb-on-dark); padding: 56px 0 24px; margin-top: 60px; }
.lb-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.lb-footer h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 14px; }
.lb-footer ul li { margin-bottom: 8px; font-size: 14px; }
.lb-footer ul li a:hover { color: #fff; }
.lb-footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; font-size: 13px; color: var(--lb-on-dark-dim); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* --------------------------------- Utilities --------------------------------- */
.lb-text-center { text-align: center; }
.lb-mt-0 { margin-top: 0; }
.lb-mb-0 { margin-bottom: 0; }
.lb-flex { display: flex; align-items: center; gap: 10px; }
.lb-spin { display: inline-block; width: 16px; height: 16px; border: 2px solid rgba(0,0,0,.15); border-top-color: var(--lb-accent); border-radius: 50%; animation: lb-spin-anim .6s linear infinite; }
@keyframes lb-spin-anim { to { transform: rotate(360deg); } }

/* --------------------------------- Responsive --------------------------------- */
@media (max-width: 900px) {
    .lb-grid-3, .lb-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .lb-footer-grid { grid-template-columns: 1fr 1fr; }
    .lb-form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    .lb-nav, .lb-nav-actions .lb-btn-ghost { display: none; }
    .lb-burger { display: block; }
    .lb-header.is-open .lb-nav {
        display: flex; position: absolute; top: var(--lb-header-h); left: 0; right: 0; background: var(--lb-ink);
        flex-direction: column; padding: 16px 24px; gap: 4px; border-top: 1px solid rgba(255,255,255,.08);
    }
    .lb-header.is-open .lb-nav a { padding: 10px 0; }
    .lb-grid-3, .lb-grid-4 { grid-template-columns: 1fr; }
    .lb-schedule-row { grid-template-columns: 1fr; gap: 4px; }
    .lb-schedule-venue { text-align: left; }
    .lb-board-header { grid-template-columns: 36px 1fr auto auto; padding: 14px; }
    .lb-board-points { font-size: 20px; }
}