:root{--bg: #f4f6f8;--surface: #ffffff;--ink: #0f172a;--ink-2: #475569;--muted: #94a3b8;--line: #e2e8f0;--primary: #0f766e;--primary-ink: #ffffff;--primary-soft: #ccfbf1;--accent: #0ea5e9;--present: #16a34a;--present-soft: #dcfce7;--absent: #dc2626;--absent-soft: #fee2e2;--shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 4px 16px rgba(15, 23, 42, .06);--radius: 14px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased}button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}input,select{font:inherit}.app{min-height:100%;display:flex;flex-direction:column;max-width:680px;margin:0 auto;background:var(--bg)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--primary);color:var(--primary-ink);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:12px}.logo{font-size:22px}.brand-title{font-weight:700;font-size:16px;line-height:1.1}.brand-sub{font-size:12px;opacity:.85;margin-top:2px}.icon-btn{width:36px;height:36px;border-radius:50%;background:#ffffff26;color:var(--primary-ink);font-size:18px}.icon-btn:hover{background:#ffffff40}.tabs{display:flex;gap:0;padding:10px 12px 0;background:var(--bg);position:sticky;top:60px;z-index:9}.tab{flex:1;padding:10px 12px;border-bottom:2px solid transparent;color:var(--ink-2);font-weight:600;font-size:14px}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.main{padding:14px 14px 40px}.login-screen{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(120% 80% at 0% 0%,#ccfbf1 0%,transparent 60%),radial-gradient(100% 60% at 100% 100%,#e0f2fe 0%,transparent 60%),var(--bg)}.login-card{width:100%;max-width:420px;background:var(--surface);border-radius:20px;padding:28px 22px 24px;box-shadow:var(--shadow)}.login-hero{text-align:center;margin-bottom:18px}.logo-lg{font-size:42px}.login-hero h1{margin:6px 0 4px;font-size:24px;letter-spacing:-.01em}.login-hero p{margin:0;color:var(--ink-2);font-size:14px}.form{display:flex;flex-direction:column;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field>span{font-size:13px;font-weight:600;color:var(--ink-2)}.field input{padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--surface);font-size:16px;outline:none;transition:border-color .15s,box-shadow .15s}.field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.input-row{display:flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding-right:8px}.input-row input{border:0;background:transparent;flex:1}.input-row:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.reveal{padding:6px 8px;font-size:16px}.hint{color:var(--muted);font-size:12px}.segmented{display:flex;gap:8px;background:var(--bg);padding:4px;border-radius:12px;border:1px solid var(--line)}.seg{flex:1;padding:10px;border-radius:9px;color:var(--ink-2);font-weight:600}.seg.active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow)}.btn{padding:12px 16px;border-radius:12px;background:var(--surface);color:var(--ink);font-weight:600;border:1px solid var(--line)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.primary{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}.btn.primary:hover:not(:disabled){filter:brightness(1.05)}.error{background:var(--absent-soft);color:var(--absent);padding:10px 12px;border-radius:10px;font-size:14px}.success{background:var(--present-soft);color:var(--present);padding:10px 12px;border-radius:10px;font-size:14px}.card{background:var(--surface);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.card h2{margin:0 0 4px;font-size:18px}.muted{color:var(--muted);font-size:13px}.attendance{display:flex;flex-direction:column;gap:12px}.day-picker{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 8px;scrollbar-width:none}.day-picker::-webkit-scrollbar{display:none}.chip{padding:10px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--ink-2);font-weight:600;white-space:nowrap;box-shadow:var(--shadow)}.chip.active{background:var(--primary);border-color:var(--primary);color:var(--primary-ink)}.toolbar{display:flex;align-items:center;gap:10px}.search{flex:1;padding:11px 14px;border-radius:12px;border:1px solid var(--line);background:var(--surface);font-size:16px;outline:none}.search:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.stats{font-size:12px;color:var(--ink-2);white-space:nowrap;display:flex;align-items:center;gap:6px}.stats strong{color:var(--present);font-size:14px}.stats .paid-n{color:var(--accent)}.stats .dot{color:var(--muted)}.roster{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.row{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);gap:10px}.row.present{border-left:4px solid var(--present)}.row-main{display:flex;align-items:center;gap:12px;min-width:0;flex:1}.row-text{display:flex;flex-direction:column;gap:4px;min-width:0}.sl{width:28px;height:28px;border-radius:50%;background:var(--bg);color:var(--ink-2);display:grid;place-items:center;font-size:12px;font-weight:700;flex-shrink:0}.name{font-weight:600;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.toggle{display:flex;align-items:center;gap:10px;padding:6px 6px 6px 10px;border-radius:999px;background:transparent;border:0}.toggle-track{width:46px;height:28px;border-radius:999px;background:#cbd5e1;position:relative;transition:background .18s ease;flex-shrink:0}.toggle-thumb{position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0f172a40;transition:transform .18s ease}.toggle.on .toggle-track{background:var(--present)}.toggle.on .toggle-thumb{transform:translate(18px)}.toggle-label{font-size:12px;font-weight:700;color:var(--ink-2);min-width:54px;text-align:right}.toggle.on .toggle-label{color:var(--present)}.toggle:disabled{opacity:.55;cursor:progress}.fees{display:flex;flex-direction:column;gap:12px}.summary{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}.summary-card{background:var(--surface);border-radius:var(--radius);padding:14px 10px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--line)}.summary-num{font-size:26px;font-weight:800;line-height:1;letter-spacing:-.01em}.summary-lbl{margin-top:4px;font-size:12px;font-weight:600;color:var(--ink-2);text-transform:uppercase;letter-spacing:.04em}.summary-card.paid .summary-num{color:var(--present)}.summary-card.unpaid .summary-num{color:#b45309}.summary-card.total .summary-num{color:var(--ink)}.fee-filter{margin-bottom:2px}.fee-toggle .toggle-label{min-width:44px}.fee-toggle.off .toggle-track{background:#fcd34d}.fee-toggle.off .toggle-label{color:#b45309}.fee-switch{display:inline-flex;align-items:center;gap:12px;padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:var(--surface);align-self:flex-start}.fee-switch .toggle-track{background:#cbd5e1}.fee-switch.on .toggle-track{background:var(--present)}.fee-switch.off .toggle-track{background:#fcd34d}.fee-switch.on .toggle-thumb{transform:translate(18px)}.fee-switch-label{font-weight:700;font-size:14px;color:var(--ink-2)}.fee-switch.on .fee-switch-label{color:var(--present)}.fee-switch.off .fee-switch-label{color:#b45309}.fee-chip{align-self:flex-start;display:inline-flex;align-items:center;gap:5px;padding:3px 9px 3px 7px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.01em;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);transition:background .15s,color .15s,border-color .15s}.fee-chip .fee-dot{font-size:8px;line-height:1}.fee-chip.paid{background:var(--present-soft);color:var(--present);border-color:#86efac}.fee-chip.unpaid{background:#fef3c7;color:#b45309;border-color:#fcd34d}.fee-chip.missing{background:var(--bg);color:var(--muted);font-weight:600}.fee-chip:disabled{cursor:not-allowed;opacity:.7}.fee-chip:not(:disabled):active{transform:scale(.97)}.toggle:active .toggle-thumb{transform:scale(.92)}.toggle.on:active .toggle-thumb{transform:translate(18px) scale(.92)}.state{padding:32px 16px;text-align:center;color:var(--ink-2)}.error-state p{color:var(--absent);margin-bottom:12px}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:999px;font-size:13px;box-shadow:var(--shadow);z-index:20;animation:pop .2s ease-out}@keyframes pop{0%{opacity:0;transform:translate(-50%,6px)}to{opacity:1;transform:translate(-50%)}}@media (max-width: 380px){.brand-title{font-size:15px}.pill{width:38px}.name{font-size:14px}}