:root{color-scheme:light;--bg: #f5f6f8;--card: #ffffff;--text: #1a1a1a;--muted: #8a8f98;--primary: #1f6feb;--danger: #d93025;--warn: #f9ab00;--border: #e3e6ea;--safe-bottom: env(safe-area-inset-bottom, 0px);--tab-height: 56px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{margin:0;padding:0;min-height:100%}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif;font-size:16px;line-height:1.5}button{font:inherit;min-height:44px;border:none;border-radius:10px;background:var(--primary);color:#fff;padding:0 16px;cursor:pointer}button:active{opacity:.8}input,select,textarea{font:inherit;font-size:16px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--card);color:var(--text);width:100%}.card{background:var(--card);border-radius:14px;padding:14px;box-shadow:0 1px 2px #0000000a}@media (prefers-color-scheme: dark){:root{color-scheme:dark;--bg: #111315;--card: #1c1f23;--text: #eceff2;--muted: #9aa1aa;--border: #2a2f35}}.sheet-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:50;display:flex;align-items:flex-end}.sheet{background:var(--card);width:100%;max-width:480px;margin:0 auto;border-radius:16px 16px 0 0;padding:16px calc(16px + env(safe-area-inset-right)) calc(16px + var(--safe-bottom)) calc(16px + env(safe-area-inset-left));max-height:85vh;overflow-y:auto}.sheet-head{display:flex;justify-content:space-between;align-items:center}.sheet-head h2{margin:0 0 12px;font-size:18px}.btn-close{background:var(--muted);min-height:44px;padding:0 14px}.sheet-body .field{margin-bottom:14px}.sheet-body label{display:block;margin-bottom:6px;color:var(--muted);font-size:14px}.sheet-body .row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.error{color:var(--danger);font-size:14px}.page{max-width:480px;margin:0 auto;padding:12px 12px calc(var(--tab-height) + var(--safe-bottom) + 24px)}.page-head{display:flex;justify-content:space-between;align-items:center}.page-head h1{font-size:22px}.tag{display:inline-block;margin-left:6px;padding:2px 8px;border-radius:999px;background:var(--border);font-size:13px}.tag.ok{background:#e6f4ea;color:#137333}.tag.off{background:#fce8e6;color:#c5221f}.muted{color:var(--muted);font-size:14px}.row-actions{display:flex;gap:8px;margin-top:10px}.btn-danger{background:var(--danger)}.empty{color:var(--muted);text-align:center;margin-top:40px}.course-type{margin-bottom:10px}.tabbar{position:fixed;left:0;right:0;bottom:0;height:calc(var(--tab-height) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:var(--card);border-top:1px solid var(--border);display:flex;max-width:480px;margin:0 auto;z-index:40}.tabbar button{flex:1;background:none;color:var(--muted);min-height:44px;border-radius:0}.tabbar button.active{color:var(--primary);font-weight:600}.month-picker{display:flex;align-items:center;justify-content:center;gap:12px;margin:8px 0 16px}.month-picker input[type=month]{width:160px;text-align:center}.month-picker button{background:var(--card);color:var(--text);border:1px solid var(--border);min-width:44px}.record{margin-bottom:10px}.record.cancelled{opacity:.6}.rec-top{display:flex;align-items:center;gap:10px}.rec-time{color:var(--muted);font-size:14px}.rec-amount{margin-left:auto;font-weight:600}.rec-sub{color:var(--muted);font-size:14px;margin-top:4px}.rec-cancel{color:var(--danger);font-size:13px;margin-top:4px}.fab{position:fixed;right:20px;bottom:calc(var(--tab-height) + var(--safe-bottom) + 16px);display:flex;align-items:center;justify-content:center;gap:4px;min-width:96px;height:48px;padding:0 18px;border-radius:999px;font-size:16px;white-space:nowrap;box-shadow:0 4px 12px #0003}.preview-row{display:flex;gap:10px;align-items:flex-start;margin-bottom:8px}.preview-row input[type=checkbox]{width:22px;height:22px;margin-top:4px}.preview-body{flex:1}.tag.new{background:#e8f0fe;color:#1a73e8}.tag.sample{background:#fef7e0;color:#b06000}.tag.dup{background:#fce8e6;color:#c5221f}.issues{color:var(--danger);font-size:13px;margin-top:4px}.btn-ghost{background:var(--card);color:var(--primary);border:1px solid var(--primary);width:100%;margin-bottom:12px}.warn{color:#b06000;font-size:14px}.ok{color:#137333;font-size:14px}.summary-card{text-align:center;margin-bottom:12px}.sum-main{font-size:15px}.sum-main strong{display:block;font-size:30px;color:var(--primary);margin-top:4px}.sum-sub{display:flex;justify-content:center;gap:14px;color:var(--muted);font-size:13px;margin-top:8px}.group-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.g-left{display:flex;flex-direction:column}.g-right{font-weight:600}.group-tabs{display:flex;gap:8px;margin-bottom:10px}.group-tabs button{flex:1;background:var(--card);color:var(--text);border:1px solid var(--border)}.group-tabs button.active{border-color:var(--primary);color:var(--primary)}.settings h2{font-size:16px;margin:0 0 8px}.guide-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:60;display:flex;align-items:center;justify-content:center;padding:24px}.guide{background:var(--card);width:100%;max-width:360px;border-radius:18px;padding:24px 20px 20px;text-align:center;box-shadow:0 8px 30px #00000040}.guide-icon{font-size:42px;line-height:1}.guide h2{margin:10px 0 6px;font-size:20px}.guide .muted{margin:0 0 8px}.install-steps{text-align:left;margin:12px 0 4px;padding-left:22px}.install-steps li{margin-bottom:10px}.install-steps b{color:var(--primary)}.guide-actions{display:flex;gap:10px;margin-top:16px}.guide-actions button{flex:1}.btn-ghost-guide{background:var(--card);color:var(--primary);border:1px solid var(--primary)}.view-tabs{display:flex;gap:8px;margin:0 0 12px}.view-tabs 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.cal-day{background:var(--primary);color:#fff;border-radius:50%;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center}.cal-info{display:flex;flex-direction:column;align-items:center;line-height:1.15;margin-top:2px;max-width:100%}.cal-amount{font-size:9px;font-weight:600;color:var(--primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.cal-count{font-size:9px;color:var(--muted);white-space:nowrap}.cal-count.cancelled{color:var(--danger)}.duration-chips{display:flex;flex-wrap:wrap;gap:8px;margin:2px 0 12px}.duration-chips button{background:var(--card);color:var(--text);border:1px solid var(--border);min-height:40px;padding:0 14px;border-radius:999px}.duration-chips button:active{border-color:var(--primary);color:var(--primary)}.record .row-actions{gap:6px;margin-top:8px}.record .row-actions button{flex:1;min-height:32px;padding:0 8px;font-size:13px;border-radius:8px}.filters{display:flex;gap:6px;margin:0 0 10px}.filters select{flex:1 1 0;min-width:0;min-height:36px;height:36px;padding:4px 8px;font-size:13px}.filters .btn-clear{flex:0 0 auto;min-height:36px;padding:0 10px;font-size:13px;background:var(--card);color:var(--primary);border:1px solid var(--primary)}.group-head{display:flex;justify-content:space-between;align-items:center;margin:14px 0 8px}.record-group:first-child .group-head{margin-top:0}.group-head strong{font-size:15px}.group-head .muted{font-size:13px}.toolbar{display:flex;gap:6px;margin:0 0 10px;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:2px}.toolbar button{flex:0 0 auto;background:var(--card);color:var(--text);border:1px solid var(--border);min-height:32px;padding:0 12px;font-size:13px;border-radius:999px;white-space:nowrap}.toolbar button.active{border-color:var(--primary);color:var(--primary);font-weight:600}.dup-warn{background:#fef7e0;border:1px solid #f9ab00;border-radius:10px;padding:10px;margin:10px 0}.dup-warn .warn{margin:0 0 8px;color:#b06000;font-size:14px}.dup-warn .row-actions{margin-top:0}.dup-warn .row-actions button{min-height:36px;font-size:14px}