:root{color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;--bt-yellow: #ffd500;--bt-yellow-dark: #e6c000;--bt-yellow-soft: #fff4c2;--bt-black: #1a171b;--bt-ink: #2b282c;--bt-ink-muted: #6d6a6e;--bt-danger: #b3261e;--bt-bg: #f7f6f1;--bt-card: #ffffff;--bt-border: #e3e1da}*{box-sizing:border-box}body{margin:0;background:var(--bt-bg);color:var(--bt-ink)}h1,h2,h3{color:var(--bt-black)}button{font:inherit;cursor:pointer}.app-shell{min-height:100vh;display:flex;flex-direction:column}.top-bar{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.5rem 1.25rem;background:var(--bt-black);color:#f5f4f0;border-bottom:3px solid var(--bt-yellow)}.brand{display:flex;align-items:center;gap:.65rem;color:inherit;font-weight:700;text-decoration:none;min-width:0}.brand-logo{height:44px;width:44px;flex-shrink:0;background:#fff;border-radius:50%;padding:3px}.brand-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.top-bar a,.top-bar button{color:#f5f4f0;background:transparent;border:1px solid rgba(245,244,240,.35);border-radius:6px;padding:.4rem .8rem;text-decoration:none}.top-bar a:hover,.top-bar button:hover{border-color:var(--bt-yellow);color:var(--bt-yellow)}.top-bar .brand{border:none;padding:0}.content{flex:1;padding:1rem;max-width:1100px;margin:0 auto;width:100%}.kiosk-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:.75rem}.kiosk-tile{min-height:88px;font-size:1.15rem;border-radius:12px;border:2px solid var(--bt-border);background:var(--bt-card);padding:.75rem;text-align:left;display:flex;flex-direction:column;justify-content:center;gap:.2rem}.kiosk-tile:active{background:var(--bt-yellow-soft);border-color:var(--bt-yellow)}.kiosk-tile .subtitle{font-size:.85rem;opacity:.7}.kiosk-search{width:100%;font-size:1.1rem;padding:.75rem;border-radius:10px;border:2px solid var(--bt-border);margin-bottom:1rem}.beverage-tile{min-height:96px;font-size:1.3rem;border-radius:12px;border:1px solid var(--bt-yellow-dark);background:var(--bt-yellow);color:var(--bt-black);font-weight:600}.beverage-tile:active{background:var(--bt-yellow-dark)}.balance-banner{background:var(--bt-yellow-soft);border:2px solid var(--bt-yellow);border-radius:10px;padding:.75rem 1rem;margin-bottom:.75rem;font-size:1.1rem}.quantity-stepper{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem}.quantity-stepper button{min-width:56px;min-height:56px;font-size:1.5rem;border-radius:10px;border:2px solid var(--bt-border);background:var(--bt-card)}.quantity-stepper .quantity-value{font-size:1.5rem;font-weight:700;min-width:2.5rem;text-align:center}.confirmation-banner{position:fixed;bottom:0;left:0;right:0;background:var(--bt-black);color:#f5f4f0;padding:1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;font-size:1.2rem;border-top:3px solid var(--bt-yellow)}.confirmation-banner button{background:var(--bt-yellow);color:var(--bt-black);border:none;border-radius:8px;padding:.75rem 1.25rem;font-weight:600}form{display:flex;flex-direction:column;gap:.6rem;max-width:420px}label{display:flex;flex-direction:column;gap:.25rem;font-size:.95rem}input,select{padding:.5rem;border-radius:6px;border:1px solid var(--bt-border);font-size:1rem}.primary-button{background:var(--bt-yellow);color:var(--bt-black);border:1px solid var(--bt-yellow-dark);border-radius:8px;padding:.6rem 1.1rem;font-weight:600;text-decoration:none;display:inline-block}.primary-button:hover{background:var(--bt-yellow-dark)}.danger-button{background:var(--bt-danger);color:#fff;border:none;border-radius:8px;padding:.5rem .9rem}table{border-collapse:collapse;width:100%;background:var(--bt-card)}th,td{border:1px solid var(--bt-border);padding:.4rem .6rem;text-align:left}th{background:#f1efe8;color:var(--bt-black)}.error-banner{background:#fdecea;border:1px solid var(--bt-danger);color:var(--bt-danger);padding:.6rem .9rem;border-radius:8px;margin-bottom:.75rem}nav.admin-nav{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}nav.admin-nav a{padding:.4rem .8rem;border-radius:6px;background:var(--bt-card);border:1px solid var(--bt-border);text-decoration:none;color:var(--bt-ink)}nav.admin-nav a:hover{border-color:var(--bt-yellow)}nav.admin-nav a.active{background:var(--bt-yellow-soft);border-color:var(--bt-yellow);font-weight:600;color:var(--bt-black)}@media print{.top-bar,nav.admin-nav,.no-print{display:none!important}}