:root {
  --bg:#f7f8fa;
  --panel:#ffffff;
  --ink:#111318;
  --muted:#727985;
  --line:#e5e7eb;
  --accent:#ff5a36;
  --accent-dark:#e94b2b;
  --green:#2ecc71;
  --red:#d9363e;
  --amber:#b36b00;
  --shadow:0 12px 35px rgba(17,19,24,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}
button,input,select{font:inherit}
button{cursor:pointer}
.app-shell{min-height:100dvh;padding:max(18px,env(safe-area-inset-top)) 18px max(24px,env(safe-area-inset-bottom));max-width:1180px;margin:0 auto}
.topbar{display:flex;gap:14px;align-items:center;justify-content:space-between;margin-bottom:18px}
.brand{display:flex;gap:12px;align-items:center}.brand-mark{width:46px;height:46px;border-radius:14px;background:var(--ink);display:grid;place-items:center;color:#fff;font-size:24px;box-shadow:var(--shadow)}
.brand h1{margin:0;font-size:21px}.subtle{color:var(--muted);font-size:13px}
.status-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 11px;font-size:13px;font-weight:700}.chip.online{color:#137c3b}.chip.offline{color:var(--red)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.center-card{max-width:620px;margin:6vh auto}.center-card h2{margin-top:0;font-size:28px}.lead{color:var(--muted);line-height:1.45}
.grid{display:grid;gap:14px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.auto{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.btn{border:0;border-radius:14px;padding:13px 16px;font-weight:800;background:#eceff3;color:var(--ink)}.btn:hover{filter:brightness(.98)}.btn.primary{background:var(--accent);color:white}.btn.primary:hover{background:var(--accent-dark)}.btn.dark{background:var(--ink);color:white}.btn.ghost{background:white;border:1px solid var(--line)}.btn.danger{background:#fff0f1;color:var(--red);border:1px solid #ffd5d8}.btn.full{width:100%}.btn.big{min-height:74px;font-size:18px}
.register-card,.member-card,.drink-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;text-align:left;transition:.15s ease;min-height:86px}.register-card:hover,.member-card:hover,.drink-card:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(17,19,24,.08);border-color:#d4d7dc}.drink-card{display:flex;flex-direction:column;justify-content:space-between;min-height:120px}.drink-name{font-size:17px;font-weight:850}.drink-price{font-size:25px;font-weight:900;margin-top:16px}.drink-card .count{align-self:flex-end;background:var(--ink);color:white;border-radius:999px;min-width:28px;height:28px;display:grid;place-items:center;font-size:13px}
.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:14px;flex-wrap:wrap}.toolbar h2{margin:0}.toolbar-actions{display:flex;gap:8px;flex-wrap:wrap}
.pos-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(320px,.8fr);gap:18px}.drinks-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.cart{position:sticky;top:14px;height:fit-content}.cart h3{margin-top:0}.cart-list{display:flex;flex-direction:column;gap:8px;max-height:36vh;overflow:auto}.cart-line{display:grid;grid-template-columns:1fr auto;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}.cart-line small{color:var(--muted)}.cart-total{display:flex;justify-content:space-between;align-items:end;margin:16px 0;font-size:18px}.cart-total strong{font-size:31px}.member-selected{border-radius:14px;padding:12px;background:#f7f8fa;margin:12px 0}.wallet-positive{color:#137c3b}.wallet-negative{color:var(--red)}.warning{background:#fff6e8;border:1px solid #ffd79c;color:#7d4b00;border-radius:14px;padding:12px;margin:10px 0;font-weight:700}.danger-warning{background:#fff0f1;border-color:#ffc8cc;color:#a9212b}
.form{display:grid;gap:12px}.field{display:grid;gap:6px}.field label{font-size:13px;font-weight:800;color:#4f5560}.field input,.field select{width:100%;border:1px solid #dfe2e7;border-radius:12px;padding:12px 13px;background:white;color:var(--ink);outline:none}.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,90,54,.12)}
.admin-tabs{display:flex;gap:8px;overflow:auto;margin-bottom:16px}.admin-tabs button{white-space:nowrap}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}.table{width:100%;border-collapse:collapse;min-width:680px}.table th,.table td{text-align:left;padding:12px;border-bottom:1px solid var(--line);font-size:14px}.table th{background:#fafafa;color:#555c67}.table tr:last-child td{border-bottom:0}.row-actions{display:flex;gap:6px}.empty{padding:28px;text-align:center;color:var(--muted)}
.modal-backdrop{position:fixed;inset:0;background:rgba(17,19,24,.48);display:grid;place-items:center;padding:18px;z-index:20}.modal{width:min(560px,100%);max-height:90dvh;overflow:auto;background:white;border-radius:20px;padding:20px;box-shadow:0 20px 60px rgba(0,0,0,.25)}.modal h3{margin-top:0}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap}
.toast{position:fixed;left:50%;bottom:max(20px,env(safe-area-inset-bottom));transform:translateX(-50%) translateY(20px);background:#111318;color:white;padding:11px 14px;border-radius:12px;opacity:0;pointer-events:none;transition:.2s;z-index:50;max-width:90vw}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin-bottom:16px}.kpi{border:1px solid var(--line);border-radius:14px;padding:14px}.kpi span{display:block;color:var(--muted);font-size:12px}.kpi strong{display:block;font-size:25px;margin-top:5px}
.login-person{display:flex;justify-content:space-between;align-items:center;gap:10px}.login-person .meta{font-size:12px;color:var(--muted)}
.footer-note{text-align:center;color:var(--muted);font-size:12px;margin:18px 0 4px}
@media(max-width:820px){.pos-layout{grid-template-columns:1fr}.cart{position:static}.grid.two,.grid.three{grid-template-columns:1fr}.topbar{align-items:flex-start}.brand h1{font-size:18px}.status-row{max-width:45%}.drinks-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.app-shell{padding-left:12px;padding-right:12px}.panel{padding:14px}}