* { margin:0; padding:0; box-sizing:border-box; }
:root {
  --primary:#2e7d32; --primary-light:#e8f5e9; --danger:#d32f2f;
  --bg:#f5f5f5; --card-bg:#fff; --text:#212121; --text-secondary:#757575;
  --border:#e0e0e0; --income:#2e7d32; --expense:#d32f2f;
  --shadow:0 2px 8px rgba(0,0,0,0.08); --radius:12px;
  --tab-h:56px;
  --type-badminton:#2e7d32; --type-team:#ed6c02; --type-bonus:#1565c0;
  --type-bg-badminton:#e8f5e9; --type-bg-team:#fff3e0; --type-bg-bonus:#e3f2fd;
}
body { font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif; background:var(--bg); color:var(--text); min-height:100vh; max-width:480px; margin:0 auto; -webkit-tap-highlight-color:transparent; }
.screen { display:none; flex-direction:column; min-height:100vh; }
.screen.active { display:flex; }
.tab-screen { padding-bottom:var(--tab-h); }

/* Tab */
.tab-bar { position:fixed; bottom:0; left:50%; transform:translateX(-50%); width:100%; max-width:480px; height:var(--tab-h); background:var(--card-bg); border-top:1px solid var(--border); display:flex; z-index:30; }
.tab { flex:1; display:flex; align-items:center; justify-content:center; font-size:13px; color:var(--text-secondary); cursor:pointer; }
.tab.active { color:var(--primary); font-weight:700; }

/* Login */
.login-container { flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; padding:32px; }
.login-icon { font-size:56px; margin-bottom:8px; }
.login-container h2 { font-size:24px; margin-bottom:8px; color:var(--primary); }
.login-desc { font-size:14px; color:var(--text-secondary); margin-bottom:24px; }
.login-form { width:100%; }
.login-form input { width:100%; padding:12px 16px; border:1px solid var(--border); border-radius:10px; font-size:16px; margin-bottom:10px; outline:none; text-align:center; letter-spacing:2px; }
.login-form input:focus { border-color:var(--primary); }
.btn-login { width:100%; padding:12px; background:var(--primary); color:#fff; border:none; border-radius:10px; font-size:16px; font-weight:600; cursor:pointer; }
.btn-login:active { opacity:.9; }
.login-hint { margin-top:12px; font-size:13px; color:var(--danger); min-height:20px; }

/* Header */
.header { background:var(--primary); color:#fff; padding:12px 16px; display:flex; align-items:center; justify-content:space-between; position:sticky; top:0; z-index:10; min-height:52px; }
.header h1 { font-size:17px; font-weight:600; flex:1; text-align:center; }
.btn-back { background:none; border:none; color:#fff; font-size:22px; cursor:pointer; padding:0 6px; line-height:1; width:36px; text-align:left; }
.btn-save { background:rgba(255,255,255,.2); border:1px solid rgba(255,255,255,.5); color:#fff; padding:6px 16px; border-radius:6px; font-size:14px; cursor:pointer; }
.header-actions { display:flex; gap:6px; }
.btn-action { background:rgba(255,255,255,.2); border:1px solid rgba(255,255,255,.5); color:#fff; padding:5px 10px; border-radius:6px; font-size:13px; cursor:pointer; white-space:nowrap; }
.btn-action.btn-danger { background:rgba(255,255,255,.15); }

/* Type badge */
.type-badge { display:inline-block; font-size:11px; padding:2px 7px; border-radius:4px; font-weight:600; vertical-align:middle; margin-right:4px; }
.type-badminton { background:var(--type-bg-badminton); color:var(--type-badminton); }
.type-team_building { background:var(--type-bg-team); color:var(--type-team); }
.type-bonus { background:var(--type-bg-bonus); color:var(--type-bonus); }

/* Filter bar */
.filter-bar { display:flex; gap:6px; padding:10px; overflow-x:auto; }
.filter-btn { flex-shrink:0; padding:6px 14px; border:1px solid var(--border); border-radius:16px; font-size:13px; background:var(--card-bg); color:var(--text-secondary); cursor:pointer; }
.filter-btn.active { background:var(--primary); color:#fff; border-color:var(--primary); }

/* Home */
.home-container { flex:1; padding:12px; overflow-y:auto; }

.home-balance-card { background:var(--card-bg); border-radius:var(--radius); padding:20px; margin-bottom:10px; box-shadow:var(--shadow); text-align:center; }
.home-balance-label { font-size:12px; color:var(--text-secondary); }
.home-balance-value { font-size:36px; font-weight:800; margin:4px 0; }
.home-balance-row { display:flex; justify-content:space-around; margin-top:12px; padding-top:10px; border-top:1px solid var(--border); }
.home-balance-item { text-align:center; }
.home-balance-item .hl { font-size:11px; color:var(--text-secondary); }
.home-balance-item .hv { font-size:16px; font-weight:700; margin-top:2px; }
.hv-exp { color:var(--expense); } .hv-inc { color:var(--income); }

.home-type-cards { display:flex; gap:8px; margin-bottom:10px; }
.home-type-card { flex:1; border-radius:var(--radius); padding:12px; box-shadow:var(--shadow); text-align:center; }
.home-type-card.badminton { background:var(--type-bg-badminton); }
.home-type-card.team_building { background:var(--type-bg-team); }
.home-type-card.bonus { background:var(--type-bg-bonus); }
.home-type-icon { font-size:24px; }
.home-type-label { font-size:12px; font-weight:600; margin-top:2px; }
.home-type-count { font-size:22px; font-weight:800; margin:4px 0; }
.home-type-sub { font-size:10px; color:var(--text-secondary); }

.home-section-title { font-size:13px; font-weight:700; color:var(--primary); margin:14px 0 8px; }
.home-recent-card { background:var(--card-bg); border-radius:var(--radius); padding:12px; margin-bottom:6px; box-shadow:var(--shadow); cursor:pointer; display:flex; justify-content:space-between; align-items:center; }
.home-recent-card:active { transform:scale(.98); }
.home-recent-left { }
.home-recent-right { text-align:right; }
.home-recent-date { font-size:13px; font-weight:600; }
.home-recent-balance { font-size:15px; font-weight:700; }
.home-recent-balance.pos { color:var(--income); }
.home-recent-balance.neg { color:var(--expense); }

/* List */
.list-container { flex:1; padding:6px 10px 20px; }
.event-card { background:var(--card-bg); border-radius:var(--radius); padding:14px; margin-bottom:8px; box-shadow:var(--shadow); cursor:pointer; transition:transform .15s; }
.event-card:active { transform:scale(.98); }
.event-card-header { display:flex; align-items:center; margin-bottom:6px; gap:6px; }
.event-date { font-size:14px; font-weight:600; }
.event-note { font-size:12px; color:var(--text-secondary); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; flex:1; text-align:right; }
.event-card-body { display:flex; justify-content:space-between; align-items:flex-end; }
.event-expenses { display:flex; gap:5px; flex-wrap:wrap; flex:1; }
.expense-tag { font-size:11px; background:#f5f5f5; padding:2px 7px; border-radius:4px; color:var(--text-secondary); white-space:nowrap; }
.event-balance { text-align:right; }
.balance-amount { font-size:17px; font-weight:700; }
.balance-amount.positive { color:var(--income); }
.balance-amount.negative { color:var(--expense); }
.balance-label { font-size:10px; color:var(--text-secondary); }
.event-card-footer { display:flex; justify-content:space-between; align-items:center; margin-top:6px; padding-top:6px; border-top:1px dashed #eee; font-size:11px; color:var(--text-secondary); }
.event-card-footer .people-count { color:var(--text); font-weight:600; }

/* Empty */
.empty-state { display:none; flex-direction:column; align-items:center; justify-content:center; padding:60px 20px; color:var(--text-secondary); }
.empty-state.show { display:flex; }
.empty-icon { font-size:48px; margin-bottom:12px; opacity:.5; }

/* FAB */
.fab { position:fixed; bottom:80px; left:50%; transform:translateX(-50%); width:52px; height:52px; border-radius:50%; background:var(--primary); color:#fff; border:none; font-size:26px; cursor:pointer; box-shadow:0 4px 12px rgba(46,125,50,.4); z-index:20; display:flex; align-items:center; justify-content:center; }
.fab:active { transform:translateX(-50%) scale(.92); }

/* Form */
.form-container { padding:14px; padding-bottom:100px; }
.form-group { margin-bottom:12px; }
.form-group > label { display:block; font-size:13px; font-weight:600; margin-bottom:5px; }
.form-group > input[type="date"],
.form-group > select,
.form-group > input[type="number"],
.form-group > input[type="password"],
.form-group > textarea { width:100%; padding:9px 12px; border:1px solid var(--border); border-radius:8px; font-size:16px; background:var(--card-bg); color:var(--text); outline:none; font-family:inherit; }
.form-group select { appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%23757575'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 12px center; padding-right:30px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color:var(--primary); }
.form-group textarea { resize:vertical; min-height:44px; }

.section-title { font-size:13px; font-weight:700; color:var(--primary); margin:16px 0 8px; padding-bottom:5px; border-bottom:2px solid var(--primary-light); display:flex; justify-content:space-between; align-items:center; }
.btn-add-row { background:var(--primary-light); color:var(--primary); border:1px solid var(--primary); border-radius:6px; padding:3px 10px; font-size:12px; font-weight:600; cursor:pointer; }
.btn-add-row:active { background:#c8e6c9; }

/* Calc */
.calc-row { display:flex; align-items:flex-end; gap:5px; margin-bottom:8px; }
.calc-item { flex:1; min-width:0; }
.calc-item span { display:block; font-size:11px; color:var(--text-secondary); margin-bottom:3px; }
.calc-item input { width:100%; padding:8px 4px; border:1px solid var(--border); border-radius:8px; font-size:15px; background:var(--card-bg); color:var(--text); outline:none; text-align:center; font-family:inherit; }
.calc-item input:focus { border-color:var(--primary); }
.calc-mul,.calc-eq { font-size:15px; color:var(--text-secondary); padding-bottom:6px; flex-shrink:0; }
.calc-result { font-size:15px; font-weight:700; color:var(--expense); padding-bottom:8px; min-width:48px; text-align:right; flex-shrink:0; }
.calc-result.income-result { color:var(--income); }

/* Dynamic */
.dynamic-row { background:#fafafa; border:1px solid var(--border); border-radius:8px; padding:8px 10px; margin-bottom:6px; }
.shuttlecock-row,.special-row { display:flex; gap:5px; align-items:flex-end; }
.shuttlecock-row .field-name,.special-row .field-name { flex:2; }
.shuttlecock-row .field-price,.special-row .field-price { flex:1.5; }
.shuttlecock-row .field-qty,.special-row .field-qty { flex:1; }
.other-row { display:flex; gap:5px; align-items:flex-end; }
.other-row .field-name { flex:2; } .other-row .field-amount { flex:1.5; }
.dynamic-row input { width:100%; padding:7px 6px; border:1px solid var(--border); border-radius:6px; font-size:14px; background:#fff; color:var(--text); outline:none; font-family:inherit; text-align:center; }
.dynamic-row input:focus { border-color:var(--primary); }
.dynamic-row .field-name input { text-align:left; }
.dynamic-row-label { display:block; font-size:10px; color:var(--text-secondary); margin-bottom:2px; }
.btn-del-row { background:none; border:none; color:var(--danger); font-size:18px; cursor:pointer; padding:0 4px; flex-shrink:0; line-height:1; padding-bottom:6px; }

.form-summary { background:var(--primary-light); border-radius:8px; padding:12px 14px; display:flex; justify-content:space-between; font-size:13px; margin-top:6px; flex-wrap:wrap; gap:4px; }

/* Stats */
.stats-container { flex:1; padding:12px; }
.stats-mode { display:flex; margin-bottom:10px; background:var(--card-bg); border-radius:8px; padding:3px; }
.stats-mode-btn { flex:1; padding:7px; border:none; border-radius:6px; font-size:13px; font-weight:600; cursor:pointer; background:transparent; color:var(--text-secondary); }
.stats-mode-btn.active { background:var(--primary); color:#fff; }
.stats-picker { margin-bottom:10px; }
.stats-picker select { width:100%; padding:8px 12px; border:1px solid var(--border); border-radius:8px; font-size:15px; outline:none; background:var(--card-bg); }
.stats-picker select:focus { border-color:var(--primary); }

.stats-count-card { background:var(--card-bg); border-radius:var(--radius); padding:16px; margin-bottom:8px; box-shadow:var(--shadow); }
.stats-count-header { font-size:15px; font-weight:700; margin-bottom:10px; }
.stats-count-grid { display:flex; gap:8px; }
.stats-count-item { flex:1; text-align:center; padding:10px 4px; border-radius:8px; }
.stats-count-item.badminton { background:var(--type-bg-badminton); }
.stats-count-item.team_building { background:var(--type-bg-team); }
.stats-count-item.bonus { background:var(--type-bg-bonus); }
.stats-count-num { font-size:24px; font-weight:800; }
.stats-count-label { font-size:11px; margin-top:2px; }
.stats-count-amount { font-size:10px; color:var(--text-secondary); margin-top:2px; }

.stats-month-grid { display:flex; flex-wrap:wrap; gap:6px; }
.stats-month-cell { width:calc(25% - 5px); background:var(--card-bg); border-radius:8px; padding:10px 4px; text-align:center; box-shadow:var(--shadow); }
.stats-month-cell .sm-label { font-size:11px; color:var(--text-secondary); }
.stats-month-cell .sm-count { font-size:20px; font-weight:800; color:var(--primary); }
.stats-month-cell .sm-detail { font-size:9px; color:var(--text-secondary); margin-top:2px; }

/* Settings */
.settings-container { flex:1; padding:14px; }
.settings-card { background:var(--card-bg); border-radius:var(--radius); padding:14px; margin-bottom:12px; box-shadow:var(--shadow); }
.settings-section-title { font-size:13px; font-weight:700; color:var(--primary); margin-bottom:10px; }
.settings-card .form-group { margin-bottom:8px; }
.settings-card .form-group input { font-size:15px; }
.btn-primary { width:100%; padding:10px; background:var(--primary); color:#fff; border:none; border-radius:8px; font-size:14px; font-weight:600; cursor:pointer; }
.btn-primary:active { opacity:.9; }
.btn-logout-full { width:100%; padding:10px; background:#fff; color:var(--danger); border:1px solid var(--danger); border-radius:8px; font-size:14px; font-weight:600; cursor:pointer; margin-top:4px; }
.form-hint { font-size:12px; margin-top:4px; min-height:18px; color:var(--danger); }

/* Detail */
.detail-container { padding:14px; padding-bottom:40px; }
.detail-card { background:var(--card-bg); border-radius:var(--radius); padding:14px; margin-bottom:10px; box-shadow:var(--shadow); }
.detail-row { display:flex; justify-content:space-between; align-items:center; padding:9px 0; border-bottom:1px solid var(--border); }
.detail-row:last-child { border-bottom:none; }
.detail-label { font-size:13px; color:var(--text-secondary); }
.detail-sub { font-size:11px; color:#999; }
.detail-value { font-size:14px; font-weight:600; text-align:right; }
.detail-value.expense-color { color:var(--expense); }
.detail-value.income-color { color:var(--income); }
.detail-total-row { margin-top:6px; padding-top:10px; border-top:2px solid var(--primary); }
.detail-total-row .detail-label { font-weight:700; color:var(--text); }
.detail-total-row .detail-value { font-size:17px; }
.detail-section-title { font-size:12px; font-weight:700; color:var(--primary); margin:14px 0 6px; }
.detail-sub-row { padding:5px 0 5px 12px; border-bottom:1px dashed #eee; }
.detail-sub-row .detail-label { font-size:12px; }
.detail-sub-row .detail-value { font-size:13px; }
.detail-note { margin-top:10px; padding:10px 12px; background:#f9f9f9; border-radius:8px; font-size:13px; color:var(--text-secondary); line-height:1.6; }
.detail-note-label { font-size:11px; font-weight:600; color:var(--text); margin-bottom:3px; }

/* Chart (keep for detail summary) */
.chart-container { background:var(--card-bg); border-radius:var(--radius); padding:16px 10px 10px; box-shadow:var(--shadow); overflow:hidden; }
.chart-title { font-size:12px; color:var(--text-secondary); margin-bottom:10px; text-align:center; }
.chart-legend { display:flex; justify-content:center; gap:16px; margin-bottom:12px; font-size:11px; }
.chart-legend-item { display:flex; align-items:center; gap:4px; }
.chart-legend-dot { width:10px; height:10px; border-radius:2px; }
.chart-legend-dot.income-dot { background:var(--income); }
.chart-legend-dot.expense-dot { background:var(--expense); }
.chart-bars { display:flex; align-items:flex-end; gap:4px; height:180px; padding:0 2px; }
.chart-bar-group { flex:1; display:flex; flex-direction:column; align-items:center; min-width:0; height:100%; justify-content:flex-end; }
.chart-bar-wrap { width:100%; max-width:40px; display:flex; flex-direction:column-reverse; border-radius:3px 3px 0 0; overflow:hidden; }
.chart-bar-income { background:var(--chart-income, #4caf50); min-height:1px; }
.chart-bar-expense { background:var(--chart-expense, #ef5350); min-height:1px; }
.chart-bar-label { font-size:9px; color:var(--text-secondary); margin-top:4px; text-align:center; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; width:100%; }