:root { --ink: #f4f7fb; --muted-ink: #9eacbf; --line: rgba(179, 198, 222, 0.16); --glass: rgba(22, 36, 57, 0.82); --glass-deep: rgba(13, 25, 43, 0.9); --lime: #c8f169; --coral: #ff866f; --cyan: #72d4e6; }
* { box-sizing: border-box; }
html { min-width: 320px; }
body { min-height: 100vh; margin: 0; padding: 34px 22px 56px; background: #0c1728; background-image: radial-gradient(circle at 85% 6%, rgba(114, 212, 230, 0.13), transparent 28rem), linear-gradient(135deg, #101e32 0%, #0b1424 54%, #14243a 100%); color: var(--ink); font-family: "Trebuchet MS", "Segoe UI", sans-serif; }
button, input { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }
.app-shell { width: min(1120px, 100%); margin: 0 auto; display: grid; gap: 22px; }
.eyebrow, .section-kicker { margin: 0 0 9px; color: var(--lime); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.2em; text-transform: uppercase; }
.masthead { display: flex; align-items: end; justify-content: space-between; gap: 20px; padding: 8px 4px 10px; }
.masthead h1 { margin: 0; font-family: Georgia, serif; font-size: clamp(2.45rem, 6vw, 4.7rem); font-weight: 400; letter-spacing: -0.05em; line-height: 0.92; }
.masthead h1 span { color: var(--coral); }
.tagline { max-width: 220px; margin: 0 0 4px; color: var(--muted-ink); font-size: 0.9rem; line-height: 1.45; text-align: right; }
.panel { padding: 25px; border: 1px solid var(--line); border-radius: 8px; background: var(--glass); box-shadow: 0 20px 50px rgba(3, 10, 20, 0.2); }
.panel h2, .panel h3 { margin: 0; }
.section-kicker { margin-bottom: 6px; color: var(--muted-ink); letter-spacing: 0.13em; }
.setup-panel { display: grid; gap: 20px; grid-template-columns: 1fr 1fr; align-items: end; }
.room-setup-panel { display: grid; gap: 20px; }
.setup-intro { grid-column: 1 / -1; display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.setup-intro h2 { font-family: Georgia, serif; font-size: 1.65rem; font-weight: 400; }
.setup-intro p { max-width: 360px; margin: 0; color: var(--muted-ink); font-size: 0.88rem; line-height: 1.45; text-align: right; }
.field-group { display: grid; gap: 8px; }
.field-group label { color: var(--muted-ink); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
input { width: 100%; padding: 13px 14px; border: 1px solid var(--line); border-radius: 5px; background: var(--glass-deep); color: var(--ink); font-size: 0.98rem; }
input::placeholder { color: #687990; }
.action-row { display: flex; gap: 10px; align-items: stretch; }
.auth-identity { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 5px; color: var(--muted-ink); }
.auth-identity strong { color: var(--ink); }
.action-row button { flex: 1; }
button { min-height: 46px; padding: 11px 17px; border: 1px solid transparent; border-radius: 5px; background: var(--lime); color: #17210f; font-weight: 800; transition: transform 140ms ease, filter 140ms ease, border-color 140ms ease; }
button:hover:not(:disabled) { transform: translateY(-2px); filter: brightness(1.06); }
button.secondary { border-color: var(--line); background: transparent; color: var(--ink); }
.board-panel { display: grid; gap: 22px; grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr); }
.board-header, .room-meta { grid-column: 1 / -1; }
.board-header { display: flex; align-items: start; justify-content: space-between; gap: 18px; padding-bottom: 2px; }
.board-header h2 { font-family: Georgia, serif; font-size: 2rem; font-weight: 400; }
.room-meta { display: flex; justify-content: space-between; gap: 16px; padding: 13px 15px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.status-text { margin: 0; color: var(--muted-ink); font-size: 0.9rem; line-height: 1.4; }
.status-text.error { color: var(--coral); }
.badge { display: inline-flex; align-items: center; min-height: 27px; padding: 5px 10px; border-radius: 99px; font-size: 0.7rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap; }
.badge.neutral { background: rgba(158, 172, 191, 0.12); color: var(--muted-ink); }
.badge.waiting { background: rgba(255, 196, 77, 0.13); color: #ffd477; }
.badge.ready { background: rgba(200, 241, 105, 0.13); color: var(--lime); }
.badge.finished { background: rgba(255, 134, 111, 0.14); color: var(--coral); }
.arena { display: grid; gap: 18px; align-content: start; }
.players-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.player-card { display: grid; gap: 10px; min-height: 92px; padding: 15px; border: 1px solid var(--line); border-radius: 5px; background: var(--glass-deep); }
.player-card.current-player { border-color: rgba(200, 241, 105, 0.7); box-shadow: inset 3px 0 var(--lime); }
.player-name { font-weight: 800; }
.player-move { color: var(--muted-ink); font-size: 0.8rem; }
.score-box { display: grid; gap: 5px; padding: 19px; border-radius: 5px; background: linear-gradient(135deg, rgba(114, 212, 230, 0.15), rgba(200, 241, 105, 0.1)); }
.score-label { color: var(--muted-ink); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
.score-text { margin: 0; font-family: Georgia, serif; font-size: 1.65rem; }
.result-box { padding: 14px 16px; border-left: 3px solid var(--coral); background: rgba(255, 134, 111, 0.1); color: #ffd0c6; line-height: 1.4; }
.hidden { display: none; }
.move-panel { display: grid; gap: 13px; padding: 20px; border: 1px solid var(--line); border-radius: 5px; background: rgba(8, 18, 32, 0.44); }
.move-panel h3 { font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; }
.move-panel .row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.move-panel .row button { min-height: 58px; background: transparent; border-color: rgba(200, 241, 105, 0.42); color: var(--ink); }
.move-panel .row button:nth-child(2) { border-color: rgba(114, 212, 230, 0.5); }
.move-panel .row button:nth-child(3) { border-color: rgba(255, 134, 111, 0.5); }
.move-panel .row button:hover:not(:disabled) { background: rgba(200, 241, 105, 0.13); }
.move-panel .secondary { min-height: 38px; padding: 8px 12px; color: var(--muted-ink); font-size: 0.8rem; }
.leaderboard-panel { display: grid; gap: 15px; }
.leaderboard-heading { display: flex; align-items: end; justify-content: space-between; gap: 16px; }
.leaderboard-heading h2 { font-family: Georgia, serif; font-size: 1.65rem; font-weight: 400; }
.leaderboard-heading span { color: var(--muted-ink); font-size: 0.78rem; }
.leaderboard-list { display: grid; gap: 7px; list-style: none; padding: 0; margin: 0; }
.leaderboard-list li { display: flex; justify-content: space-between; gap: 12px; padding: 12px 14px; border-bottom: 1px solid var(--line); color: var(--muted-ink); font-size: 0.9rem; }
.leaderboard-list li:first-child { border-top: 1px solid var(--line); color: var(--ink); }
@media (max-width: 720px) { body { padding: 22px 14px 40px; } .masthead, .setup-intro { align-items: start; flex-direction: column; } .tagline, .setup-intro p { max-width: none; text-align: left; } .setup-panel, .board-panel { grid-template-columns: 1fr; } .setup-intro, .board-header, .room-meta { grid-column: auto; } }
@media (max-width: 430px) { .panel { padding: 18px; } .action-row { flex-direction: column; } .players-list { grid-template-columns: 1fr; } .move-panel .row { grid-template-columns: 1fr; } }