:root{color-scheme:light dark;--bg: var(--tg-theme-bg-color, #0f1115);--card: var(--tg-theme-secondary-bg-color, #1a1d24);--text: var(--tg-theme-text-color, #f2f3f5);--hint: var(--tg-theme-hint-color, #8b919c);--accent: var(--tg-theme-button-color, #4c7dff);--accent-text: var(--tg-theme-button-text-color, #ffffff)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.app{display:flex;flex-direction:column;min-height:100vh}.content{flex:1;padding:16px 16px 76px;max-width:480px;margin:0 auto;width:100%}h1{font-size:22px;margin:8px 0 16px}.center-message{display:flex;align-items:center;justify-content:center;min-height:60vh;color:var(--hint);padding:24px;text-align:center}.hint{color:var(--hint);font-size:14px;line-height:1.4}.card{background:var(--card);border-radius:14px;padding:14px;margin-bottom:12px}.card-done{opacity:.55}.card-head{display:flex;justify-content:space-between;align-items:center}.time{font-weight:700;font-size:15px}.badge{background:var(--accent);color:var(--accent-text);font-size:10px;font-weight:700;padding:2px 8px;border-radius:999px}.title{font-size:16px;font-weight:600;margin:6px 0 2px}.status{color:var(--hint);font-size:13px;margin-bottom:10px}.actions{display:flex;gap:8px}button{background:var(--accent);color:var(--accent-text);border:none;border-radius:10px;padding:9px 14px;font-size:14px;font-weight:600;cursor:pointer}button.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}.tabbar{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--card);border-top:1px solid rgba(255,255,255,.06)}.tabbar button{flex:1;background:transparent;color:var(--hint);border-radius:0;padding:14px 0}.tabbar button.active{color:var(--accent)}.rank-row{display:flex;align-items:center;gap:10px;background:var(--card);border-radius:12px;padding:12px 14px;margin-bottom:8px}.rank-pos{width:24px;font-weight:700;color:var(--hint)}.rank-name{flex:1;font-weight:600}.rank-streak{color:var(--hint);font-size:13px}.rank-points{font-weight:700}.stat-row{display:flex;justify-content:space-between;padding:6px 0;font-size:14px}