:root{--brand: #2563eb;--brand-ink: #ffffff;--bg: #f5f6f8;--surface: #ffffff;--surface-2: #fafbfc;--text: #14171a;--muted: #667085;--border: #e4e7ec;--ok: #067647;--ok-bg: #ecfdf3;--warn: #b54708;--warn-bg: #fffaeb;--danger: #b42318;--danger-bg: #fef3f2;--info-bg: #eff8ff;--info: #175cd3;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);--shadow-lg: 0 4px 8px -2px rgba(16, 24, 40, .1), 0 2px 4px -2px rgba(16, 24, 40, .06)}@media(prefers-color-scheme:dark){:root{--bg: #0f1214;--surface: #191d21;--surface-2: #21262b;--text: #e9edf1;--muted: #98a2b3;--border: #2d343b;--ok-bg: #05301f;--warn-bg: #3a2408;--danger-bg: #3b1614;--info-bg: #0d2a4a;--ok: #47cd89;--warn: #f79009;--danger: #f97066;--info: #53b1fd;--shadow: 0 1px 3px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 16px rgba(0, 0, 0, .5)}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Segoe UI,sans-serif;font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}a{color:var(--brand);text-underline-offset:2px}header.app{background:var(--surface);border-bottom:1px solid var(--border);padding:0 20px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:50;min-height:60px;flex-wrap:wrap}header.app .logo{font-weight:700;font-size:17px;color:var(--text);display:flex;align-items:center;gap:9px}header.app .logo:before{content:"";width:10px;height:22px;border-radius:3px;background:var(--brand)}header.app .who{color:var(--muted);font-size:13px}header.app nav{display:flex;gap:2px;margin-left:auto;align-items:center;overflow-x:auto;scrollbar-width:none}header.app nav::-webkit-scrollbar{display:none}header.app nav a,header.app nav button{color:var(--muted);text-decoration:none;padding:9px 13px;border-radius:var(--radius-sm);background:transparent;border:0;font:inherit;font-weight:600;cursor:pointer;white-space:nowrap;min-height:44px;display:inline-flex;align-items:center}header.app nav a:hover,header.app nav button:hover{background:var(--surface-2);color:var(--text)}header.app nav a.active{background:var(--brand);color:var(--brand-ink)}main{max-width:1120px;margin:0 auto;padding:28px 20px 96px}h1{font-size:26px;margin:0 0 4px;letter-spacing:-.02em}h2{font-size:17px;margin:28px 0 12px;letter-spacing:-.01em}.sub{color:var(--muted);margin:0 0 20px;font-size:14px}.muted{color:var(--muted)}.small{font-size:13px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:var(--shadow)}.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.stat{font-size:30px;font-weight:700;letter-spacing:-.03em;line-height:1.25}.stat-label{color:var(--muted);font-size:13px}table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;white-space:nowrap}@media(min-width:720px){table{display:table;white-space:normal}}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:top}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:none;letter-spacing:.02em}tr:last-child td{border-bottom:0}tbody tr:hover{background:var(--surface-2)}label{display:block;font-size:13px;color:var(--muted);margin:12px 0 5px;font-weight:600}input,select,textarea{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:var(--radius-sm);font:inherit;background:var(--surface);color:var(--text);min-height:44px}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}button,.btn{background:var(--brand);color:var(--brand-ink);border:1px solid transparent;border-radius:var(--radius-sm);padding:11px 18px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;transition:filter .12s ease,transform .06s ease}button:hover:not(:disabled){filter:brightness(1.08)}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.45;cursor:not-allowed}button.ghost{background:var(--surface);color:var(--text);border-color:var(--border)}button.ghost:hover:not(:disabled){background:var(--surface-2);filter:none}button.danger{background:var(--danger)}button.small{padding:7px 12px;font-size:13px;min-height:36px}button.big{padding:16px 28px;font-size:17px;min-height:56px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.right{margin-left:auto}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--info-bg);color:var(--info);white-space:nowrap}.badge.ok{background:var(--ok-bg);color:var(--ok)}.badge.warn{background:var(--warn-bg);color:var(--warn)}.badge.danger{background:var(--danger-bg);color:var(--danger)}.badge.muted{background:var(--surface-2);color:var(--muted)}.notice{padding:13px 16px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:14px;border:1px solid transparent}.notice.ok{background:var(--ok-bg);color:var(--ok);border-color:color-mix(in srgb,var(--ok) 25%,transparent)}.notice.error{background:var(--danger-bg);color:var(--danger);border-color:color-mix(in srgb,var(--danger) 25%,transparent)}.notice.info{background:var(--info-bg);color:var(--info);border-color:color-mix(in srgb,var(--info) 25%,transparent)}.empty{color:var(--muted);padding:32px 20px;text-align:center;font-size:14px}.login-wrap{max-width:400px;margin:10vh auto;padding:0 20px}.login-wrap .card{padding:32px}.checkin-panel{text-align:center;padding:40px 24px}.checkin-hint{color:var(--muted);font-size:15px;margin-bottom:16px}.checkin-input{font-size:26px;text-align:center;padding:20px;min-height:72px;letter-spacing:.02em}.checkin-video{width:100%;max-width:480px;border-radius:var(--radius);background:#000;margin:0 auto 16px;display:block}.checkin-result{display:flex;align-items:center;gap:24px;padding:36px 28px;border-radius:var(--radius);margin-bottom:16px;animation:pop .25s ease}.checkin-result.ok{background:var(--ok-bg);color:var(--ok)}.checkin-result.ng{background:var(--danger-bg);color:var(--danger)}.checkin-icon{font-size:44px;width:76px;height:76px;border-radius:50%;background:currentColor;color:var(--surface);display:flex;align-items:center;justify-content:center;flex-shrink:0}.checkin-name{font-size:30px;font-weight:700;letter-spacing:-.02em}.checkin-message{font-size:16px;opacity:.9}.checkin-warning{font-size:15px;font-weight:700;margin-top:8px}@keyframes pop{0%{transform:scale(.96);opacity:0}to{transform:scale(1);opacity:1}}.pos{display:grid;grid-template-columns:1fr;gap:16px}@media(min-width:900px){.pos{grid-template-columns:1fr 340px;align-items:start}.pos-cart{position:sticky;top:80px}}.pos-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.pos-item{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:2px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:16px;min-height:96px;text-align:left;box-shadow:var(--shadow)}.pos-item:hover:not(:disabled){border-color:var(--brand);filter:none}.pos-item-name{font-weight:700;font-size:15px}.pos-item-price{font-size:18px;font-weight:700;color:var(--brand)}.pos-item-stock{font-size:12px;color:var(--muted);font-weight:500}.pos-item-stock.out{color:var(--danger)}.pos-item-badge{position:absolute;top:-8px;right:-8px;background:var(--brand);color:var(--brand-ink);min-width:28px;height:28px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}.pos-total{display:flex;justify-content:space-between;align-items:baseline;padding:16px 0;margin-top:8px;border-top:2px solid var(--border);font-size:15px}.pos-total strong{font-size:28px;letter-spacing:-.02em}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:56px 24px;text-align:center;cursor:pointer;background:var(--surface);transition:border-color .15s ease,background .15s ease}.dropzone:hover,.dropzone.dragging{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 5%,var(--surface))}.dropzone-icon{font-size:44px}.dropzone-title{font-size:19px;font-weight:700;margin-top:8px}.dropzone-hint{color:var(--muted);font-size:14px;margin-top:4px}.qr-card{text-align:center;padding:28px;background:var(--surface)}.qr-code{display:inline-block;padding:16px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}.qr-code svg{display:block}.qr-number{font-size:22px;font-weight:700;letter-spacing:.08em;margin-top:14px}.people{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.person{border-radius:999px;padding:8px 16px;min-height:44px}.tabbar{display:none}@media(max-width:720px){header.app{flex-wrap:nowrap}header.app .who{display:none}header.app nav.main{display:none}main{padding-bottom:92px}.tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--surface);border-top:1px solid var(--border);padding:6px 4px calc(6px + env(safe-area-inset-bottom));box-shadow:0 -2px 12px #1018280f}.tabbar button{flex:1;flex-direction:column;gap:2px;background:transparent;color:var(--muted);border:0;padding:6px 2px;font-size:11px;font-weight:600;min-height:54px;border-radius:var(--radius-sm)}.tabbar button:hover{filter:none;background:transparent}.tabbar button.active{color:var(--brand);background:color-mix(in srgb,var(--brand) 10%,transparent)}.tabbar .tab-icon{font-size:20px;line-height:1}header.app nav.scroll{flex-wrap:nowrap}}nav.mobile-only{display:none}@media(max-width:720px){nav.mobile-only{display:flex}}