:root{--bg: #0f172a;--bg-soft: #1e293b;--card: #1e293b;--card-2: #273449;--line: #334155;--text: #e2e8f0;--text-dim: #94a3b8;--primary: #2563eb;--primary-2: #7c3aed;--good: #10b981;--warn: #f59e0b;--bad: #ef4444;--radius: 16px;--nav-h: 64px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);overscroll-behavior:none}.app{max-width:520px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;background:linear-gradient(180deg,#0f172a,#111c33);padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom,0px))}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;padding-top:calc(14px + env(safe-area-inset-top,0px));background:#0f172ad9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.topbar h1{font-size:18px;margin:0;font-weight:700;letter-spacing:.5px}.topbar .sub{font-size:12px;color:var(--text-dim)}.content{flex:1;padding:14px 14px 24px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px}.card h2{font-size:15px;margin:0 0 12px;display:flex;align-items:center;gap:8px}.card .hint{font-size:12px;color:var(--text-dim);margin-top:6px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}.stat{background:var(--card-2);border-radius:12px;padding:12px}.stat .v{font-size:22px;font-weight:800}.stat .l{font-size:11px;color:var(--text-dim);margin-top:2px}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:12px;padding:12px 16px;font-size:14px;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));cursor:pointer;transition:transform .08s ease,opacity .2s}.btn:active{transform:scale(.97)}.btn.ghost{background:var(--card-2);color:var(--text);border:1px solid var(--line)}.btn.block{width:100%}.btn.sm{padding:8px 12px;font-size:13px;border-radius:10px}.btn.danger{background:var(--bad)}.btn:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{width:100%;background:var(--card-2);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:11px 12px;font-size:14px;font-family:inherit;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--primary)}label{font-size:12px;color:var(--text-dim);display:block;margin:10px 0 5px}.chip{display:inline-flex;align-items:center;gap:5px;padding:5px 10px;border-radius:999px;font-size:12px;background:var(--card-2);border:1px solid var(--line)}.chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.row{display:flex;gap:10px;align-items:center}.row.wrap{flex-wrap:wrap}.between{justify-content:space-between}.spacer{flex:1}.nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:520px;height:calc(var(--nav-h) + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);display:flex;background:#0f172aeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--line);z-index:30}.nav button{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;color:var(--text-dim);font-size:11px;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px}.nav button .ic{font-size:20px}.nav button.active{color:var(--primary)}.nav button .badge{position:absolute;top:6px;background:var(--bad);color:#fff;font-size:10px;border-radius:999px;padding:0 5px;margin-left:14px}.toast{position:fixed;left:50%;top:70px;transform:translate(-50%);background:var(--good);color:#03251a;font-weight:700;padding:10px 18px;border-radius:999px;z-index:50;font-size:13px;box-shadow:0 6px 20px #0006}.bar-track{background:var(--card-2);border-radius:999px;height:10px;overflow:hidden}.bar-fill{height:100%;border-radius:999px;transition:width .4s ease}.subject-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 11px;border-radius:999px;font-size:13px;font-weight:600;border:1px solid var(--line)}.list-item{display:flex;flex-direction:column;gap:4px;background:var(--card-2);border-radius:12px;padding:12px;margin-bottom:10px}.list-item .t{font-weight:600;font-size:14px}.list-item .m{font-size:12px;color:var(--text-dim)}.tag{font-size:11px;padding:2px 8px;border-radius:999px}.tag.plan{background:#2563eb33;color:#93c5fd}.tag.unplan{background:#94a3b82e;color:#cbd5e1}.tag.due{background:#ef44442e;color:#fca5a5}.tag.ok{background:#10b9812e;color:#6ee7b7}.progress-ring{display:flex;align-items:center;gap:12px}.empty{text-align:center;color:var(--text-dim);padding:30px 10px;font-size:13px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:flex-end;justify-content:center;z-index:40}.modal{width:100%;max-width:520px;background:var(--bg-soft);border-radius:20px 20px 0 0;padding:18px 18px calc(18px + env(safe-area-inset-bottom,0px));max-height:88vh;overflow-y:auto}.modal h3{margin:4px 0 14px;font-size:16px}.review-card-q{font-size:18px;font-weight:700;line-height:1.5;background:var(--card-2);border-radius:14px;padding:18px;margin:10px 0}.review-card-a{font-size:15px;line-height:1.6;color:var(--text);background:#10b9811a;border:1px solid rgba(16,185,129,.3);border-radius:14px;padding:16px}.seg{display:flex;background:var(--card-2);border-radius:10px;padding:3px}.seg button{flex:1;border:none;background:none;color:var(--text-dim);padding:8px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer}.seg button.active{background:var(--primary);color:#fff}.kpi-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px}.kpi{min-width:110px;flex:0 0 auto}.legend{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:12px;color:var(--text-dim)}.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:middle}