:root{--bg:#0c1324;--bg2:#111b31;--panel:#18243a;--ink:#f4f6fd;--muted:#afbcd4;--aqua:#74f4d4;--gold:#f7c971;--danger:#ff797b;--outline:#bdd4ff29;--font:system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", Arial, sans-serif;--head:"Trebuchet MS", system-ui, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", Arial, sans-serif;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*,:before,:after{box-sizing:border-box}body{background:var(--bg);min-height:100vh;color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;margin:0;font-size:15px;line-height:1.5}a{color:var(--aqua)}:focus-visible{outline:3px solid var(--aqua);outline-offset:2px}.app-header{border-bottom:1px solid var(--outline);background:var(--bg2);align-items:center;gap:10px;min-height:64px;padding:12px 24px;display:flex}.app-header h1,.app-title{font-family:var(--head);letter-spacing:.02em;margin:0;font-size:18px;font-weight:800}.logo{background:var(--aqua);width:32px;height:32px;color:var(--bg);border-radius:9px;place-items:center;font-weight:900;display:grid}.app-main{max-width:1100px;margin:0 auto;padding:32px 24px}.placeholder{border:1px solid var(--outline);background:var(--panel);color:var(--muted);border-radius:14px;padding:24px}.app-header{flex-wrap:wrap}.main-nav{gap:4px;margin-left:24px;display:flex}.main-nav a{color:var(--muted);border-radius:8px;padding:8px 12px;font-weight:700;text-decoration:none}.main-nav a:hover{color:var(--ink)}.main-nav a.active{color:var(--aqua);background:#1d2c47}.account{color:var(--muted);align-items:center;gap:12px;margin-left:auto;display:flex}.role-badge{border:1px solid var(--outline);text-transform:capitalize;border-radius:99px;padding:2px 8px;font-size:12px}.skip-link{z-index:10;background:var(--aqua);color:var(--bg);border-radius:8px;padding:10px 14px;font-weight:800;position:absolute;top:-60px;left:12px}.skip-link:focus{top:12px}.app-main:focus{outline:none}.page-heading{margin-bottom:20px}.page-heading h1{font-family:var(--head);margin:0 0 6px;font-size:28px}.muted{color:var(--muted)}.page-loading{text-align:center;color:var(--muted);padding:48px}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.card{border:1px solid var(--outline);background:var(--panel);border-radius:14px;padding:24px}.card h2{font-family:var(--head);margin:0 0 4px;font-size:18px}.form-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));align-items:start;gap:16px;margin-bottom:24px;display:grid}.form-grid h2,.form-actions{grid-column:1/-1}.field{gap:6px;display:grid}.field label{font-size:14px;font-weight:700}input,select,textarea{background:var(--bg2);width:100%;min-height:42px;color:var(--ink);font:inherit;border:1px solid #ffffff30;border-radius:9px;padding:9px 12px}input[aria-invalid=true]{border-color:var(--danger)}.field-error,.form-error{color:var(--danger);font-size:14px}.form-error:empty{display:none}.button{min-height:42px;font:inherit;cursor:pointer;border:1px solid #0000;border-radius:9px;justify-content:center;align-items:center;padding:9px 16px;font-weight:800;display:inline-flex}.button:disabled{opacity:.55;cursor:not-allowed}.button.primary{background:var(--aqua);color:#102534}a.button{text-decoration:none}.button.ghost{border-color:var(--outline);color:var(--ink);background:0 0}.button.danger{color:var(--danger);background:0 0;border-color:#ff797b66}.notice:empty{display:none}.notice{border-radius:10px;margin-bottom:16px;padding:12px 16px}.notice.success{background:#74f4d414;border:1px solid #74f4d455}.notice.error{background:#ff797b14;border:1px solid #ff797b66}.data-table{border-collapse:collapse;border:1px solid var(--outline);background:var(--panel);border-radius:14px;width:100%;overflow:hidden}.data-table th,.data-table td{border-bottom:1px solid var(--outline);text-align:left;vertical-align:middle;padding:12px 14px}.data-table th{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:13px}.data-table td.actions{text-align:right}.data-table select{width:auto}.login-page{place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{gap:16px;width:min(400px,100%);display:grid}.login-brand{align-items:center;gap:10px;display:flex}.login-brand h1{font-family:var(--head);margin:0;font-size:20px}.page-heading.with-action{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.button-row{flex-wrap:wrap;gap:8px;display:flex}.section-actions{margin:20px 0}.section-title{font-family:var(--head);margin:28px 0 12px;font-size:20px}.button.small{min-height:34px;padding:5px 10px;font-size:14px}.badge{color:var(--gold);background:#f7c97126;border-radius:99px;margin-left:8px;padding:2px 8px;font-size:12px;font-weight:800}.toolbar{flex-wrap:wrap;gap:12px;margin:8px 0 16px;display:flex}.toolbar .field{min-width:180px}.checkbox{align-items:center;gap:8px;font-weight:700;display:flex}.checkbox input,.inline-choices input,.option-row input[type=radio]{width:auto;min-height:0}.field.wide{grid-column:1/-1}.set-list,.question-list{gap:12px;padding:0;list-style:none;display:grid}.set-card{justify-content:space-between;gap:16px;display:flex}.set-card h2{margin:0 0 4px;font-size:18px}.set-card h2 a{color:var(--ink)}.tier-counts ul{flex-wrap:wrap;gap:6px;margin:8px 0 0;padding:0;list-style:none;display:flex}.tier{border:1px solid var(--outline);border-radius:99px;padding:3px 10px;font-size:13px}.tier-easy{color:#8ee3a5}.tier-medium{color:var(--gold)}.tier-hard{color:#ffa58b}.tier.thin{border-style:dashed}.tier-warning{color:var(--gold);margin:8px 0 0;font-size:14px}.question-form{gap:14px;margin:12px 0;display:grid}.question-form fieldset{border:0;gap:8px;margin:0;padding:0;display:grid}.question-form legend{margin-bottom:6px;font-size:14px;font-weight:700}.inline-choices label{align-items:center;gap:6px;margin-right:18px;display:inline-flex}.option-row{grid-template-columns:auto 1fr auto;align-items:center;gap:8px;display:grid}.option-row .field-error{grid-column:2/-1}.form-actions{gap:8px;display:flex}.question-meta{align-items:center;gap:10px;display:flex}.question-prompt{margin:10px 0 6px;font-weight:700}.answer-list{margin:0 0 8px;padding-left:20px}.answer-list .correct{color:var(--aqua)}.correct-mark{font-size:13px}.import-dialog{gap:8px;margin:12px 0;display:grid}.import-dialog h2{margin:0}.data-table.compact th,.data-table.compact td{padding:8px 10px}.data-table caption{color:var(--danger);text-align:left;padding:8px 10px;font-weight:700}.pager{justify-content:center;align-items:center;gap:12px;margin-top:16px;display:flex}.host-form{gap:18px;display:grid}.host-form fieldset{border:0;margin:0;padding:0}.host-form legend{margin-bottom:8px;font-weight:800}.set-choices{gap:6px;margin:0;padding:0;list-style:none;display:grid}.form-grid.compact{margin:0}.problem-list{color:var(--gold);margin:0;padding-left:18px}.join-panel{text-align:center;justify-items:center;gap:6px;margin-bottom:20px;display:grid}.join-label{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin:0;font-weight:800}.join-pin{font-family:var(--head);letter-spacing:.08em;color:var(--aqua);font-variant-numeric:tabular-nums;margin:0;font-size:clamp(56px,12vw,96px);font-weight:900}.join-url{word-break:break-all;margin:0;font-size:18px}.teams-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.team-panel{background:var(--panel);border:2px solid;border-radius:14px;padding:16px}.team-panel.team-blue{border-color:#67caff}.team-panel.team-red{border-style:dashed;border-color:#ff797b}.team-panel h2{margin:0 0 10px;font-size:18px}.player-list{gap:6px;margin:0;padding:0;list-style:none;display:grid}.player-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.player-name{align-items:center;gap:8px;font-weight:700;display:inline-flex}.dot{border-radius:50%;width:10px;height:10px}.dot.online{background:var(--aqua)}.dot.offline{border:2px solid var(--muted)}.rename-form{gap:6px;width:100%;display:flex}.alert-row{justify-content:space-between;align-items:center;gap:12px;display:flex}@media (max-width:700px){.teams-grid{grid-template-columns:1fr}.set-card{flex-direction:column}.main-nav{order:3;width:100%;margin-left:0}.data-table th:nth-child(4),.data-table td:nth-child(4){display:none}}.match-status,.match-result{margin-bottom:16px}.match-clock{font-variant-numeric:tabular-nums;margin:0 0 12px;font-size:40px;font-weight:700}.hq-line meter{vertical-align:middle;width:160px;height:14px}.team-total{margin:8px 0}.tag{color:var(--gold)}.data-table tbody th[scope=row]{color:var(--ink);font-size:inherit;letter-spacing:normal;text-transform:none;font-weight:700}.data-table .num{text-align:right;font-variant-numeric:tabular-nums}.data-table caption.visually-hidden{caption-side:top}.balance-form{gap:16px;display:grid}.balance-section legend{padding:0 8px;font-weight:800}.sticky-actions{background:var(--bg);padding:12px 0;position:sticky;bottom:0}.language-switcher{align-items:center;gap:8px;font-size:14px;display:flex}.language-switcher label{color:var(--muted);white-space:nowrap;font-weight:700}.language-switcher select{width:auto;min-height:40px;padding:6px 10px}.account{flex-wrap:wrap}.login-card .language-switcher{justify-content:flex-end;margin-bottom:12px}