:root {
  --ink: #020617;
  --panel: #081329;
  --panel-2: #0c1d3e;
  --line: rgba(255, 255, 255, 0.14);
  --text: #f7f9ff;
  --muted: #a9b9d7;
  --blue: #2f7df4;
  --cyan: #3ddcff;
  --gold: #ffd36a;
  --danger: #ff6a7d;
  --radius: 22px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--ink); color-scheme: dark; }
body { margin: 0; background: radial-gradient(circle at 85% 5%, rgba(47, 125, 244, 0.22), transparent 31%), var(--ink); color: var(--text); font-family: var(--font); line-height: 1.65; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }

.skip-link { position: fixed; z-index: 99; top: 8px; left: 8px; padding: 8px 12px; background: var(--gold); color: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.topbar { position: sticky; z-index: 20; top: 0; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 22px; padding: 12px max(20px, calc((100vw - 1320px) / 2)); border-bottom: 1px solid var(--line); background: rgba(2, 6, 23, 0.9); backdrop-filter: blur(16px); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 46px; height: 46px; border-radius: 13px; }
.brand span, .identity { display: grid; line-height: 1.2; }
.brand small, .identity small { margin-top: 5px; color: var(--muted); font-size: 0.62rem; letter-spacing: 0.13em; }
.topbar nav { display: flex; justify-content: center; gap: 5px; }
.topbar nav a, .nav-button { padding: 8px 12px; border: 0; border-radius: 999px; background: transparent; color: #d8e3f6; font-size: 0.8rem; font-weight: 800; }
.topbar nav a:hover, .nav-button:hover { background: rgba(255, 255, 255, 0.08); }
.topbar > .identity { justify-self: end; }
.topbar > form { position: absolute; right: max(20px, calc((100vw - 1500px) / 2)); bottom: -35px; }
.lab-banner { display: flex; justify-content: center; gap: 18px; padding: 8px 20px; background: var(--gold); color: var(--ink); font-size: 0.76rem; }
.lab-banner strong { letter-spacing: 0.1em; }
main { min-height: calc(100vh - 190px); }
footer { display: flex; justify-content: space-between; gap: 30px; padding: 34px max(20px, calc((100vw - 1320px) / 2)); border-top: 1px solid var(--line); color: #7385a5; font-size: 0.69rem; }

.eyebrow { color: var(--cyan); font-size: 0.7rem; font-weight: 900; letter-spacing: 0.17em; }
.primary { display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 13px 18px; border: 0; border-radius: 999px; background: var(--gold); color: var(--ink); font-weight: 900; }
.login-shell { display: grid; grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: 9vw; width: min(1160px, calc(100% - 40px)); min-height: calc(100vh - 160px); margin: auto; padding: 70px 0; }
.login-story h1, .community-hero h1, .moderation-hero h1 { margin: 18px 0 22px; font-size: clamp(3.4rem, 7vw, 7rem); line-height: 0.91; letter-spacing: -0.07em; }
.login-story h1 em, .community-hero h1 em, .moderation-hero h1 em { color: transparent; font-style: normal; -webkit-text-stroke: 1.5px var(--gold); }
.login-story > p, .community-hero p, .moderation-hero p { max-width: 680px; color: var(--muted); font-size: 1.02rem; }
.boundary-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 32px; }
.boundary-list span { padding: 14px 16px; border: 1px solid var(--line); border-radius: 13px; color: #dce7f7; font-size: 0.78rem; }

.login-card, .compose-card, .rule-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025)); box-shadow: 0 28px 80px rgba(0, 0, 0, 0.32); }
.login-card > span, .compose-card > span, .rule-card > span { color: var(--gold); font-size: 0.65rem; font-weight: 900; letter-spacing: 0.18em; }
.login-card h2, .compose-card h2 { margin: 7px 0 24px; font-size: 2rem; }
.login-card label, .compose-card label, .reply-form label, .decision-form label, .report-card label { display: grid; gap: 7px; margin: 14px 0; color: #cbd8ed; font-size: 0.77rem; font-weight: 800; }
input, textarea { width: 100%; padding: 12px 13px; border: 1px solid var(--line); border-radius: 11px; background: #030a19; color: white; outline: none; }
input:focus, textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(61, 220, 255, 0.12); }
textarea { min-height: 115px; resize: vertical; }
.login-card .primary, .compose-card .primary { width: 100%; margin-top: 10px; }
.login-card > p, .compose-card > p, .rule-card li, .public-observer small { color: var(--muted); font-size: 0.76rem; }
.public-observer .primary { margin: 22px 0 12px; }
.public-observer small { display: block; }

.community-hero, .moderation-hero { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 50px; width: min(1320px, calc(100% - 40px)); margin: auto; padding: 76px 0 54px; }
.stat-stack, .moderation-stats { display: grid; gap: 8px; min-width: 190px; }
.stat-stack div, .moderation-stats div { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 14px; background: rgba(8, 19, 41, 0.8); }
.stat-stack strong, .moderation-stats strong { color: var(--gold); font-size: 1.65rem; }
.stat-stack span, .moderation-stats span { color: var(--muted); font-size: 0.7rem; }
.community-grid { display: grid; grid-template-columns: minmax(250px, 350px) 1fr; gap: 28px; width: min(1320px, calc(100% - 40px)); margin: 0 auto 80px; }
.community-grid aside { display: grid; align-content: start; gap: 18px; }
.rule-card h3 { margin: 8px 0 18px; font-size: 1.35rem; }
.rule-card ul { margin: 0; padding-left: 18px; }
.feed { display: grid; align-content: start; gap: 18px; }
.feed-heading, .section-title { display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 0.78rem; }
.feed-heading strong, .section-title strong { color: var(--text); }
.post-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(8, 19, 41, 0.76); box-shadow: 0 22px 70px rgba(0, 0, 0, 0.22); }
.post-card > header { display: flex; align-items: center; gap: 12px; }
.post-card > header > div:nth-child(2) { display: grid; }
.avatar { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: linear-gradient(145deg, var(--blue), var(--cyan)); color: var(--ink); font-weight: 950; }
time { color: var(--muted); font-size: 0.67rem; }
.post-card h2 { margin: 20px 0 10px; font-size: 1.55rem; }
.post-card > p, .comment p { white-space: pre-wrap; color: #dbe6f7; }
.status { margin-left: auto; padding: 4px 8px; border-radius: 999px; background: rgba(255, 211, 106, 0.15); color: var(--gold); font-size: 0.66rem; }
.status-rejected, .status-banned { color: var(--danger); background: rgba(255, 106, 125, 0.12); }
.post-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 18px 0; padding: 11px 14px; border: 1px solid var(--line); border-radius: 13px; }
.post-actions button, .post-actions summary, .post-actions a, .post-actions span { border: 0; background: transparent; color: var(--gold); font-size: 0.78rem; font-weight: 900; }
.post-actions details form { min-width: 250px; padding-top: 10px; }
.comments { display: grid; gap: 10px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.comment { padding: 12px 14px; border-radius: 13px; background: rgba(255, 255, 255, 0.045); }
.comment > div { display: flex; justify-content: space-between; gap: 15px; }
.comment p { margin: 5px 0 0; }
.reply-form { margin-top: 8px; }
.reply-form button, .decision-form button, .report-card button, table button { padding: 8px 12px; border: 0; border-radius: 999px; background: var(--gold); color: var(--ink); font-weight: 900; }
.empty, .empty-state { color: var(--muted); }
.empty-state { padding: 30px; border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; }
.flash { margin: 12px 0; padding: 10px 12px; border-radius: 10px; background: rgba(61, 220, 255, 0.1); color: var(--cyan); }
.flash-error { background: rgba(255, 106, 125, 0.12); color: var(--danger); }

.moderation-layout, .admin-tables { display: grid; grid-template-columns: 1.4fr 0.6fr; gap: 28px; width: min(1320px, calc(100% - 40px)); margin: 0 auto 60px; }
.queue-list, .report-list { display: grid; gap: 14px; margin-top: 14px; }
.queue-item, .report-card { padding: 20px; border: 1px solid var(--line); border-radius: 17px; background: var(--panel); }
.queue-item header, .report-card > div { display: flex; justify-content: space-between; gap: 20px; }
.queue-item header > div { display: grid; }
.flags { display: flex; flex-wrap: wrap; gap: 7px; }
.flags b, .flags span { padding: 4px 8px; border-radius: 999px; background: rgba(61, 220, 255, 0.1); color: var(--cyan); font-size: 0.65rem; }
.decision-form { display: grid; grid-template-columns: 1fr auto auto; align-items: end; gap: 8px; margin-top: 14px; }
.decision-form label { margin: 0; }
.danger { background: var(--danger) !important; color: white !important; }
.table-wrap { overflow-x: auto; margin-top: 14px; border: 1px solid var(--line); border-radius: 16px; }
table { width: 100%; border-collapse: collapse; background: var(--panel); font-size: 0.75rem; }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; }
td small { display: block; color: var(--muted); }
.error-page { display: grid; place-items: center; width: min(800px, calc(100% - 40px)); min-height: 70vh; margin: auto; text-align: center; }
.error-page > span { color: var(--gold); font-size: 5rem; font-weight: 950; }

@media (max-width: 900px) {
  .topbar { grid-template-columns: 1fr auto; }
  .topbar nav { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; overflow-x: auto; }
  .topbar > .identity { align-self: center; }
  .topbar > form { position: static; }
  .login-shell, .community-hero, .moderation-hero, .community-grid, .moderation-layout, .admin-tables { grid-template-columns: 1fr; }
  .community-hero, .moderation-hero { align-items: start; }
  .stat-stack, .moderation-stats { grid-template-columns: repeat(3, 1fr); min-width: 0; }
  .stat-stack div, .moderation-stats div { display: grid; gap: 2px; }
}

@media (max-width: 600px) {
  .topbar { gap: 10px; padding: 10px 14px; }
  .brand img { width: 40px; height: 40px; }
  .brand small { display: none; }
  .lab-banner { display: grid; gap: 0; text-align: center; }
  .login-shell, .community-grid, .moderation-layout, .admin-tables { width: min(100% - 24px, 1320px); }
  .community-hero, .moderation-hero { width: min(100% - 24px, 1320px); padding: 44px 0 34px; }
  .login-shell { padding: 44px 0; }
  .login-story h1, .community-hero h1, .moderation-hero h1 { font-size: clamp(2.8rem, 17vw, 4.8rem); }
  .boundary-list, .stat-stack, .moderation-stats { grid-template-columns: 1fr; }
  .login-card, .compose-card, .rule-card, .post-card { padding: 20px; }
  .decision-form { grid-template-columns: 1fr 1fr; }
  .decision-form label { grid-column: 1 / -1; }
  footer { display: grid; padding: 26px 14px; }
}

.nav-badge { display: inline-grid; place-items: center; min-width: 19px; height: 19px; margin-left: 5px; padding: 0 5px; border-radius: 999px; background: var(--danger); color: white; font-size: 0.64rem; }
.review-detail { display: grid; gap: 4px; margin: 14px 0; padding: 12px 14px; border: 1px solid rgba(255, 211, 106, 0.25); border-radius: 13px; background: rgba(255, 211, 106, 0.08); }
.review-detail strong { color: var(--gold); font-size: 0.78rem; }
.review-detail span { color: var(--muted); font-size: 0.72rem; }
.review-rejected { border-color: rgba(255, 106, 125, 0.3); background: rgba(255, 106, 125, 0.08); }
.review-rejected strong { color: var(--danger); }
.inbox-layout { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 28px; width: min(1320px, calc(100% - 40px)); margin: 0 auto 80px; }
.activity-list, .notice-list { display: grid; gap: 14px; margin-top: 14px; }
.activity-card, .notice-card { padding: 20px; border: 1px solid var(--line); border-radius: 17px; background: var(--panel); }
.activity-card header, .notice-card header { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.activity-card h3 { margin: 12px 0 5px; }
.activity-card p, .notice-card p { color: #dbe6f7; white-space: pre-wrap; }
.activity-card time { display: block; }
.notice-unread { border-color: rgba(61, 220, 255, 0.42); box-shadow: 0 0 0 1px rgba(61, 220, 255, 0.12); }
.inbox-layout aside > form { margin: 14px 0; }
@media (max-width: 900px) { .inbox-layout { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .inbox-layout { width: min(100% - 24px, 1320px); } }

/* V1.3 play lab candidate */
.arena-hero { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 50px; width: min(1320px, calc(100% - 40px)); margin: auto; padding: 76px 0 54px; }
.arena-hero h1 { margin: 18px 0 22px; font-size: clamp(3.4rem, 7vw, 7rem); line-height: .91; letter-spacing: -.07em; }
.arena-hero h1 em { color: transparent; font-style: normal; -webkit-text-stroke: 1.5px var(--gold); }
.arena-hero p { max-width: 680px; color: var(--muted); font-size: 1.02rem; }
.arena-stats { display: grid; gap: 8px; min-width: 190px; }
.arena-stats div { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 14px; background: rgba(8,19,41,.8); }
.arena-stats strong { color: var(--gold); font-size: 1.65rem; }
.arena-stats span { color: var(--muted); font-size: .7rem; }
.arena-shell, .leaderboard-shell, .arena-next { width: min(1320px, calc(100% - 40px)); margin-inline: auto; }
.arena-intro { display: grid; grid-template-columns: .7fr 1.3fr; gap: 16px; margin-bottom: 18px; }
.arena-intro > div { min-height: 170px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(8,19,41,.7); }
.arena-intro span { color: var(--cyan); font-size: .66rem; font-weight: 900; letter-spacing: .15em; }
.arena-intro strong { display: block; margin: 9px 0; font-size: 1.7rem; }
.arena-intro p, .arena-intro small { display: block; max-width: 680px; color: var(--muted); }
.arena-access .primary { margin-top: 16px; }
.arena-access.is-ready { background: linear-gradient(145deg, rgba(47,125,244,.28), rgba(61,220,255,.08)); }
.arena-game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.arena-game-card { position: relative; min-height: 390px; padding: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, #0b2350, var(--panel)); }
.arena-game-02 { background: linear-gradient(145deg, #382047, var(--panel)); }
.arena-game-03 { background: linear-gradient(145deg, #0b3f4b, var(--panel)); }
.arena-game-04 { background: linear-gradient(145deg, #493315, var(--panel)); }
.arena-game-05 { background: linear-gradient(145deg, #173b60, var(--panel)); }
.arena-game-06 { background: linear-gradient(145deg, #352557, var(--panel)); }
.arena-game-card::after { content: ""; position: absolute; right: -70px; top: -70px; width: 220px; height: 220px; border: 34px solid currentColor; border-radius: 50%; opacity: .08; }
.arena-game-number { color: rgba(255,255,255,.13); font-size: 6rem; font-weight: 950; line-height: 1; }
.arena-game-card > span { color: var(--cyan); font-size: .68rem; font-weight: 900; letter-spacing: .14em; }
.arena-game-card h2 { margin: 15px 0 12px; font-size: clamp(2.4rem, 4vw, 4.5rem); line-height: .95; letter-spacing: -.055em; }
.arena-game-card p { max-width: 520px; color: var(--muted); }
.arena-game-card footer { position: absolute; inset: auto 30px 26px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 0; border: 0; }
.arena-game-card footer small { color: var(--muted); }
.arena-game-card button, #arena-close { padding: 11px 15px; border: 0; border-radius: 999px; background: var(--gold); color: var(--ink); font-weight: 900; }
.arena-game-card button:disabled { opacity: .45; cursor: wait; }
.arena-stage { margin-top: 18px; padding: 26px; border: 1px solid rgba(255,211,106,.45); border-radius: var(--radius); background: radial-gradient(circle at 80% 15%, rgba(255,211,106,.12), transparent 35%), #050d20; }
.arena-stage[hidden] { display: none; }
.arena-stage > header { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 22px; }
.arena-stage > header span { color: var(--cyan); font-size: .65rem; font-weight: 900; letter-spacing: .15em; }
.arena-stage h2 { margin: 3px 0 0; font-size: 2.2rem; }
.arena-stage > p { min-height: 28px; color: var(--muted); }
.arena-score { display: grid; text-align: right; }
.arena-score small { color: var(--muted); font-size: .62rem; }
.arena-score strong { color: var(--gold); font-size: 2.5rem; line-height: 1; }
#arena-close { width: 42px; height: 42px; padding: 0; background: rgba(255,255,255,.09); color: white; font-size: 1.5rem; }
.arena-playfield { display: grid; place-items: center; min-height: 410px; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: repeating-linear-gradient(-45deg, rgba(255,255,255,.025) 0 10px, transparent 10px 20px); }
.strike-board { position: relative; width: 100%; height: 410px; touch-action: manipulation; }
.strike-target { position: absolute; display: grid; place-items: center; width: 72px; height: 72px; border: 0; border-radius: 50%; background: radial-gradient(circle at 35% 30%, white 0 7%, var(--gold) 12%, #ff8f3d 55%, #452c77 100%); color: var(--ink); box-shadow: 0 0 38px rgba(255,211,106,.65); font-size: 2rem; transform: translate(-50%,-50%); transition: width .12s ease, height .12s ease, left .12s ease, top .12s ease; }
.reaction-pad { width: min(520px, 80%); min-height: 230px; border: 1px solid var(--line); border-radius: 42px; background: #10192d; color: var(--muted); font-size: clamp(1.6rem, 5vw, 3.8rem); font-weight: 950; transition: .12s ease; }
.reaction-pad.is-live { background: var(--gold); color: var(--ink); box-shadow: 0 0 80px rgba(255,211,106,.45); transform: scale(1.02); }
.badge-memory-grid { display: grid; grid-template-columns: repeat(3, minmax(90px, 150px)); gap: 12px; }
.badge-memory-grid button { display: grid; place-items: center; gap: 6px; min-height: 145px; padding: 12px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); color: white; }
.badge-memory-grid button:disabled { opacity: .8; }
.badge-memory-grid button.is-active { border-color: var(--gold); background: rgba(255,211,106,.2); box-shadow: 0 0 32px rgba(255,211,106,.35); transform: translateY(-3px); }
.badge-memory-grid img { width: 72px; height: 72px; object-fit: contain; border-radius: 16px; }
.badge-memory-grid span { font-size: .72rem; font-weight: 900; }
.rhythm-shell { display: grid; grid-template-columns: minmax(250px,420px) auto; place-items: center; gap: 38px; width: min(860px,94%); }
.rhythm-guide { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: rgba(8,19,41,.92); }
.rhythm-guide strong { color: var(--gold); font-size: 1.25rem; }
.rhythm-guide ol { display: grid; gap: 10px; margin: 16px 0 20px; padding-left: 22px; color: var(--muted); }
.rhythm-guide button { padding: 11px 16px; border: 0; border-radius: 999px; background: var(--gold); color: var(--ink); font-weight: 900; }
.rhythm-pad { position: relative; display: grid; place-items: center; width: min(280px, 62vw); aspect-ratio: 1; border: 2px solid var(--cyan); border-radius: 50%; background: radial-gradient(circle, rgba(61,220,255,.22), rgba(47,125,244,.08)); color: white; }
.rhythm-pad::after { content: ""; position: absolute; inset: -1px; border: 3px solid var(--gold); border-radius: inherit; opacity: 0; }
.rhythm-pad.is-beat::after { animation: arena-beat var(--beat-duration,.32s) linear forwards; }
.rhythm-pad span { font-size: 2.7rem; font-weight: 950; }
.rhythm-pad small { color: var(--muted); }
@keyframes arena-beat { 0% { opacity: .28; transform: scale(1.35); } 72% { opacity: 1; } 100% { opacity: 1; transform: scale(.48); } }
.forecast-shell, .route-shell { display: grid; gap: 20px; width: min(920px, 94%); padding: 24px; }
.forecast-guide, .route-guide { width: 100%; }
.forecast-track { display: grid; gap: 16px; min-height: 230px; padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: radial-gradient(circle at 50% 50%, rgba(61,220,255,.12), transparent 60%), rgba(8,19,41,.82); }
.forecast-prompt { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; }
.forecast-prompt span, .route-rule span { color: var(--cyan); font-size: .68rem; font-weight: 900; letter-spacing: .12em; }
.forecast-prompt strong { color: var(--gold); font-size: 1.15rem; }
.forecast-sequence { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; min-height: 150px; }
.forecast-sequence > span { display: flex; flex-direction: column; align-items: center; height: 150px; color: var(--gold); font-size: 1.8rem; text-shadow: 0 0 22px rgba(255,211,106,.5); }
.forecast-sequence > span i { color: var(--muted); font-size: .62rem; font-style: normal; }
.forecast-sequence .lane-0 { justify-content: flex-start; }
.forecast-sequence .lane-1, .forecast-sequence .forecast-question { justify-content: center; }
.forecast-sequence .lane-2 { justify-content: flex-end; }
.forecast-sequence .forecast-question { color: white; font-size: 2.4rem; text-shadow: none; }
.forecast-choices, .route-portals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.forecast-choices button, .route-portals button { min-height: 78px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.055); color: white; font-weight: 900; }
.forecast-choices button:hover, .forecast-choices button:focus-visible { border-color: var(--gold); background: rgba(255,211,106,.14); }
.route-shell { justify-items: center; }
.route-rule { display: grid; justify-items: center; gap: 5px; width: 100%; padding: 14px 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(8,19,41,.82); text-align: center; }
.route-rule strong { color: var(--gold); font-size: 1.6rem; }
.route-rule small { color: var(--muted); }
.route-token { display: grid; place-items: center; width: 138px; aspect-ratio: 1; border: 6px solid var(--token-color); border-radius: 50%; background: var(--token-color); color: #071126; box-shadow: 0 0 54px rgba(61,220,255,.32); font-size: 3.5rem; font-weight: 950; }
@supports (color: color-mix(in srgb, white, black)) {
  .route-token { border-color: color-mix(in srgb, var(--token-color), white 24%); background: radial-gradient(circle at 34% 28%, white 0 5%, var(--token-color) 18%, color-mix(in srgb, var(--token-color), #09152d 62%) 75%); box-shadow: 0 0 54px color-mix(in srgb, var(--token-color), transparent 52%); }
}
.route-portals { width: 100%; }
.route-portals button { display: grid; place-items: center; gap: 4px; border-color: color-mix(in srgb, var(--portal-color), transparent 50%); box-shadow: inset 0 -4px 0 color-mix(in srgb, var(--portal-color), transparent 35%); }
.route-portals button span { color: var(--portal-color); font-size: 1.7rem; }
.route-portals button small { color: var(--muted); }
.route-portals button:hover, .route-portals button:focus-visible { background: color-mix(in srgb, var(--portal-color), transparent 86%); transform: translateY(-2px); }
.leaderboard-shell { padding: 70px 0; }
.leaderboard-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 18px; }
.leaderboard-card { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(8,19,41,.75); }
.leaderboard-card > header { display: flex; justify-content: space-between; gap: 20px; }
.leaderboard-card > header div { display: grid; }
.leaderboard-card > header span { color: var(--cyan); font-size: .7rem; font-weight: 900; letter-spacing: .1em; }
.leaderboard-card > header small { color: var(--muted); }
.leaderboard-card > header > strong { color: var(--gold); font-size: .76rem; }
.leaderboard-card ol { display: grid; gap: 5px; margin: 20px 0 0; padding: 0; list-style: none; }
.leaderboard-card li { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 10px; padding: 9px 11px; border-radius: 11px; background: rgba(255,255,255,.035); }
.leaderboard-card li b { color: var(--gold); }
.leaderboard-card li strong { font-variant-numeric: tabular-nums; }
.leaderboard-empty { grid-template-columns: 1fr !important; color: var(--muted); text-align: center; }
.arena-next { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 80px; padding: 50px; border-radius: var(--radius); background: linear-gradient(120deg, var(--blue), #6e48cf); }
.arena-next span { font-size: .7rem; font-weight: 900; letter-spacing: .12em; }
.arena-next h2 { margin: 10px 0 0; font-size: clamp(2rem, 4vw, 4rem); line-height: 1; letter-spacing: -.05em; }

@media (max-width: 900px) {
  .arena-hero, .arena-intro { grid-template-columns: 1fr; }
  .arena-stats { grid-template-columns: repeat(3,1fr); min-width: 0; }
  .arena-stats div { display: grid; gap: 2px; }
  .arena-game-grid, .leaderboard-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .arena-hero, .arena-shell, .leaderboard-shell, .arena-next { width: min(100% - 24px, 1320px); }
  .arena-hero { padding: 44px 0 34px; }
  .arena-hero h1 { font-size: clamp(2.8rem,17vw,4.8rem); }
  .arena-stats { grid-template-columns: 1fr; }
  .arena-intro > div, .arena-game-card, .arena-stage, .leaderboard-card { padding: 20px; }
  .arena-game-card { min-height: 360px; }
  .arena-game-card footer { inset: auto 20px 20px; }
  .arena-stage > header { grid-template-columns: 1fr auto; }
  .arena-score { grid-row: 2; text-align: left; }
  #arena-close { grid-column: 2; grid-row: 1; }
  .arena-playfield { min-height: 330px; height: auto; overflow: visible; }
  .strike-board { min-height: 330px; height: 330px; }
  .badge-memory-grid { grid-template-columns: repeat(2, minmax(90px, 1fr)); padding: 12px; }
  .badge-memory-grid button { min-height: 120px; }
  .rhythm-shell { grid-template-columns: 1fr; gap: 20px; padding: 18px 0; }
  .forecast-shell, .route-shell { width: 100%; padding: 12px 0; }
  .forecast-track { min-height: 210px; padding: 14px 10px; }
  .forecast-sequence { gap: 2px; }
  .forecast-sequence > span { font-size: 1.3rem; }
  .forecast-choices button, .route-portals button { min-height: 68px; padding: 8px 4px; }
  .route-token { width: 112px; font-size: 2.8rem; }
  .arena-next { display: grid; padding: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  .rhythm-pad.is-beat::after { animation: none; opacity: 1; transform: scale(.48); }
}

/* V1.3 public accounts and permission gate */
.text-link { display: inline-block; margin-top: 22px; color: var(--gold); font-weight: 850; }
.login-card label small { color: var(--muted); font-weight: 500; }
.check-row { grid-template-columns: auto 1fr !important; align-items: start; gap: 10px !important; }
.check-row input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--gold); }
.honeypot { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.register-card { position: relative; }
.policy-hero, .account-hero { width: min(1320px, calc(100% - 40px)); margin: auto; padding: 76px 0 48px; }
.policy-hero h1, .account-hero h1 { margin: 18px 0 22px; font-size: clamp(3.4rem, 7vw, 7rem); line-height: .91; letter-spacing: -.07em; }
.policy-hero h1 em, .account-hero h1 em { color: transparent; font-style: normal; -webkit-text-stroke: 1.5px var(--gold); }
.policy-hero p, .account-hero p { max-width: 700px; color: var(--muted); }
.policy-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; width: min(1320px, calc(100% - 40px)); margin: 0 auto 80px; }
.policy-cards article { min-height: 260px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(47,125,244,.12), rgba(8,19,41,.86)); }
.policy-cards article > span { color: var(--gold); font-weight: 950; letter-spacing: .12em; }
.policy-cards h2 { margin: 18px 0 10px; font-size: 1.5rem; }
.policy-cards p { color: var(--muted); }
.account-hero { display: grid; grid-template-columns: 1fr minmax(300px,430px); align-items: end; gap: 50px; }
.permission-card { padding: 28px; border: 1px solid rgba(255,211,106,.4); border-radius: var(--radius); background: linear-gradient(145deg, rgba(255,211,106,.14), rgba(8,19,41,.9)); }
.permission-card > span { color: var(--cyan); font-size: .68rem; font-weight: 900; letter-spacing: .14em; }
.permission-card > strong { display: block; margin: 9px 0; color: var(--gold); font-size: 2rem; }
.permission-card p { font-size: .82rem; }
.permission-card form { margin-top: 18px; }
.account-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; width: min(1320px, calc(100% - 40px)); margin: 0 auto 80px; }
.account-grid > div, .account-grid > aside { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(8,19,41,.72); }
.score-summary { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; margin: 18px 0; }
.score-summary article { display: grid; padding: 18px; border-radius: 16px; background: rgba(255,255,255,.045); }
.score-summary span, .score-summary small { color: var(--muted); font-size: .7rem; }
.score-summary strong { color: var(--gold); font-size: 2rem; }
.password-form { display: grid; gap: 12px; margin-top: 18px; }
.password-form label { display: grid; gap: 6px; color: #cbd8ed; font-size: .77rem; font-weight: 800; }
.password-form button { padding: 11px 15px; border: 0; border-radius: 999px; background: var(--gold); color: var(--ink); font-weight: 900; }
.access-decision { grid-template-columns: 1.4fr 1fr auto auto; }
.status-granted, .status-active { color: var(--cyan); background: rgba(61,220,255,.1); }
.status-revoked, .status-rejected { color: var(--danger); background: rgba(255,106,125,.12); }

@media (max-width: 900px) {
  .policy-cards { grid-template-columns: repeat(2,1fr); }
  .account-hero, .account-grid { grid-template-columns: 1fr; }
  .access-decision { grid-template-columns: 1fr 1fr; }
  .access-decision label { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .policy-hero, .account-hero, .policy-cards, .account-grid { width: min(100% - 24px,1320px); }
  .policy-hero, .account-hero { padding: 44px 0 34px; }
  .policy-hero h1, .account-hero h1 { font-size: clamp(2.8rem,17vw,4.8rem); }
  .policy-cards, .score-summary { grid-template-columns: 1fr; }
  .policy-cards article, .account-grid > div, .account-grid > aside, .permission-card { padding: 20px; }
}

/* V1.5 knowledge challenge candidate */
.quiz-hero { display:grid; grid-template-columns:1fr auto; align-items:end; gap:50px; width:min(1320px,calc(100% - 40px)); margin:auto; padding:76px 0 48px; }
.quiz-hero h1 { margin:18px 0 22px; font-size:clamp(3.4rem,7vw,7rem); line-height:.91; letter-spacing:-.07em; }
.quiz-hero h1 em { color:transparent; font-style:normal; -webkit-text-stroke:1.5px var(--gold); }
.quiz-hero p { max-width:720px; color:var(--muted); }
.quiz-stats { display:grid; gap:8px; min-width:210px; }
.quiz-stats div { display:flex; justify-content:space-between; align-items:baseline; gap:22px; padding:13px 16px; border:1px solid var(--line); border-radius:14px; background:rgba(8,19,41,.8); }
.quiz-stats strong { color:var(--gold); font-size:1.65rem; }
.quiz-stats span { color:var(--muted); font-size:.7rem; }
.quiz-layout { display:grid; grid-template-columns:minmax(0,1.45fr) minmax(300px,.55fr); gap:24px; width:min(1320px,calc(100% - 40px)); margin:0 auto 70px; }
.quiz-question-list { display:grid; gap:16px; margin-top:18px; }
.quiz-question { padding:28px; border:1px solid var(--line); border-radius:var(--radius); background:linear-gradient(145deg,rgba(47,125,244,.15),rgba(8,19,41,.88)); }
.quiz-question header { display:flex; justify-content:space-between; gap:18px; }
.quiz-question header span { color:var(--cyan); font-size:.7rem; font-weight:900; letter-spacing:.12em; }
.quiz-question header small { color:var(--gold); font-weight:850; }
.quiz-question h2 { margin:20px 0; font-size:clamp(1.6rem,3vw,2.7rem); line-height:1.12; }
.quiz-question form,.quiz-preview { display:grid; gap:10px; }
.quiz-choice { display:grid; grid-template-columns:38px 1fr; align-items:center; gap:12px; min-height:58px; padding:10px 14px; border:1px solid var(--line); border-radius:14px; background:rgba(255,255,255,.035); color:#edf4ff; cursor:pointer; }
.quiz-choice:has(input:checked) { border-color:var(--gold); background:rgba(255,211,106,.12); }
.quiz-choice input { position:absolute; opacity:0; pointer-events:none; }
.quiz-choice b { display:grid; place-items:center; width:30px; height:30px; border-radius:50%; background:var(--blue); color:white; }
.quiz-question button { justify-self:start; margin-top:10px; }
.quiz-pass { margin-bottom:28px; padding:28px; border:1px solid rgba(255,211,106,.4); border-radius:var(--radius); background:linear-gradient(145deg,rgba(255,211,106,.14),rgba(8,19,41,.9)); }
.quiz-pass span { color:var(--cyan); font-size:.66rem; font-weight:900; letter-spacing:.13em; }
.quiz-pass strong { display:block; margin:8px 0; color:var(--gold); font-size:4rem; line-height:1; }
.quiz-pass p { color:var(--muted); }
.quiz-leaderboard { display:grid; gap:6px; margin:18px 0 0; padding:0; list-style:none; }
.quiz-leaderboard li { display:grid; grid-template-columns:32px 1fr auto auto; align-items:center; gap:10px; padding:11px; border-radius:12px; background:rgba(255,255,255,.04); }
.quiz-leaderboard li b,.quiz-leaderboard li strong { color:var(--gold); }
.quiz-leaderboard li small { color:var(--muted); }
.quiz-result { width:min(1320px,calc(100% - 40px)); margin:0 auto 24px; padding:26px; border:1px solid rgba(61,220,255,.45); border-radius:var(--radius); background:rgba(61,220,255,.08); }
.quiz-result.is-wrong { border-color:rgba(255,211,106,.42); background:rgba(255,211,106,.08); }
.quiz-result > span { color:var(--cyan); font-size:.68rem; font-weight:900; letter-spacing:.14em; }
.quiz-result h2 { margin:12px 0; }
.quiz-result p { color:var(--muted); }
.quiz-result a { color:var(--gold); font-weight:850; }
.quiz-policy { width:min(1320px,calc(100% - 40px)); margin:0 auto 80px; padding:42px; border-radius:var(--radius); background:linear-gradient(120deg,var(--blue),#6e48cf); }
.quiz-policy > span { font-size:.7rem; font-weight:900; letter-spacing:.13em; }
.quiz-policy h2 { margin:10px 0; font-size:clamp(2rem,4vw,4rem); line-height:1; letter-spacing:-.05em; }
.quiz-policy p { max-width:800px; }
@media (max-width:900px) { .quiz-hero,.quiz-layout { grid-template-columns:1fr; } .quiz-stats { grid-template-columns:repeat(3,1fr); min-width:0; } .quiz-stats div { display:grid; gap:2px; } }
@media (max-width:600px) { .quiz-hero,.quiz-layout,.quiz-result,.quiz-policy { width:min(100% - 24px,1320px); } .quiz-hero { padding:44px 0 34px; } .quiz-hero h1 { font-size:clamp(2.8rem,17vw,4.8rem); } .quiz-stats { grid-template-columns:1fr; } .quiz-question,.quiz-pass,.quiz-result,.quiz-policy { padding:20px; } .quiz-leaderboard li { grid-template-columns:28px 1fr auto; } .quiz-leaderboard li small { display:none; } }