:root{--bg: #f6f7fb;--bg-gradient: radial-gradient(1200px 500px at 50% -120px, rgba(99, 102, 241, .14), transparent 70%);--card: #ffffff;--text: #111827;--muted: #6b7280;--primary: #4f46e5;--primary-hover: #4338ca;--primary-soft: #eef2ff;--primary-ring: rgba(99, 102, 241, .35);--danger: #dc2626;--danger-hover: #b91c1c;--border: #e5e7eb;--border-strong: #d1d5db;--alert-bg: #fef2f2;--alert-text: #b91c1c;--shadow-sm: 0 1px 2px rgba(17, 24, 39, .05);--shadow-md: 0 4px 16px rgba(17, 24, 39, .06), 0 12px 40px rgba(17, 24, 39, .06);color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Apple SD Gothic Neo,Noto Sans KR,Malgun Gothic,sans-serif;background:var(--bg-gradient),var(--bg);background-attachment:fixed;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}.page{max-width:860px;margin:0 auto;padding:48px 16px 80px}.card{background:var(--card);border:1px solid rgba(229,231,235,.9);border-radius:16px;padding:36px;box-shadow:var(--shadow-md)}.card.narrow{max-width:420px;margin:80px auto 0}.card.centered,.center{text-align:center}h1{font-size:28px;font-weight:700;letter-spacing:-.02em;margin:0 0 8px}h2{font-size:20px;font-weight:700;letter-spacing:-.01em;margin:0 0 12px}h3{font-size:15px;font-weight:600;margin:20px 0 8px}.muted{color:var(--muted);font-size:14px}.field{margin-bottom:18px}.field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}.required{color:var(--danger)}input[type=text],input[type=password],textarea{width:100%;padding:11px 14px;font-size:15px;font-family:inherit;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text);transition:border-color .15s,box-shadow .15s}input::placeholder,textarea::placeholder{color:#9ca3af}input:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px 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var(--border-strong);box-shadow:var(--shadow-sm)}.btn.secondary:hover{background:#f9fafb}.btn.danger{background:var(--danger);color:#fff}.btn.danger:hover{background:var(--danger-hover)}.btn.link{background:transparent;color:var(--muted);font-weight:500;padding:10px 8px;box-shadow:none}.btn.link:hover{color:var(--text)}.alert{background:var(--alert-bg);color:var(--alert-text);border:1px solid #fecaca;border-radius:10px;padding:12px 14px;font-size:14px;margin-bottom:16px}.success-icon{width:60px;height:60px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff;font-size:30px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px #16a34a4d}.brand{display:flex;align-items:center;gap:14px;margin-bottom:10px}.brand-logo{height:40px;width:auto;max-width:132px;object-fit:contain;border-radius:10px;border:1px solid var(--border);background:#fff;flex-shrink:0;box-shadow:var(--shadow-sm);display:block}.brand h1{margin:0}.brand .brand-sub{display:block;font-size:13px;color:var(--muted);margin-top:2px}.settings-card{margin-bottom:20px}.settings-card h3{margin:0 0 4px}.settings-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.settings-row input{flex:1;min-width:240px}.settings-msg{margin:10px 0 0;font-size:13.5px;color:var(--primary)}.board-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px;flex-wrap:wrap}.table{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);border:1px solid rgba(229,231,235,.9);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-md);font-size:14px}.table th{text-align:left;padding:13px 16px;background:#fafafa;color:var(--muted);font-weight:600;font-size:12.5px;letter-spacing:.02em;border-bottom:1px solid var(--border)}.table td{padding:13px 16px;border-bottom:1px solid var(--border);vertical-align:top}.table tbody tr:last-child td{border-bottom:none}.table tbody tr{cursor:pointer;transition:background .12s}.table tbody tr:hover{background:#fafbff}.row-active{background:var(--primary-soft)!important}.num{color:var(--muted);width:48px}.nowrap{white-space:nowrap}.preview{max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.badge{display:inline-block;padding:3px 11px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}.badge-open{background:#fef3c7;color:#92400e}.badge-done{background:#dcfce7;color:#166534}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}.modal{background:var(--card);border-radius:16px;padding:28px;width:100%;max-width:620px;max-height:90vh;overflow-y:auto;box-shadow:0 24px 64px #11182740;animation:modal-in .18s ease-out}@keyframes modal-in{0%{opacity:0;transform:translateY(8px) 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18mm;text-align:center}.poster-logo{height:52px;width:auto;max-width:160px;object-fit:contain;background:#fff;border-radius:12px;padding:10px 14px;margin:0 auto 20px;display:block}.poster-title{font-size:52px;line-height:1.1;margin:0 auto 10px;text-align:center}.poster-subtitle{font-size:17px;margin:0 auto;opacity:.95;max-width:46ch;text-align:center}.poster-qr-row{display:flex;align-items:center;justify-content:center;gap:28px;margin-top:38px;flex-wrap:wrap}.poster-qr{background:#fff;border:1px solid var(--border);border-radius:10px;padding:10px;flex-shrink:0}.poster-qr canvas{display:block;width:180px;height:180px}.poster-url-box{display:flex;flex-direction:column;gap:4px}.poster-url{font-size:24px;font-weight:700;color:var(--text);word-break:break-all;line-height:1.3}.poster-steps{list-style:none;margin:38px auto 0;padding:0;width:fit-content;max-width:100%;display:flex;flex-direction:column;gap:16px}.poster-steps li{display:flex;align-items:center;gap:14px;font-size:16px;color:var(--text)}.step-num{width:34px;height:34px;border-radius:50%;background:#eff6ff;color:var(--primary);font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.poster-foot{margin-top:auto;padding-top:28px;font-size:13px;color:var(--muted);text-align:center}@page{size:A4 portrait;margin:0}@media print{*{-webkit-print-color-adjust:exact;print-color-adjust:exact}body{background:#fff}.poster-page{min-height:0;padding:0;background:#fff}.poster-toolbar{display:none}.poster-sheet{width:auto;min-height:0;margin:0;box-shadow:none}.sop-toolbar{display:none}.sop-page{min-height:0;padding:0;background:#fff}.sop-sheet{width:auto;margin:0;box-shadow:none;padding:18mm 16mm}.sop-head{margin:-18mm -16mm 0;padding:18mm 16mm 16mm}.sop-section{break-inside:avoid}}.sop-page{min-height:100vh;background:var(--bg);display:flex;flex-direction:column;align-items:center;padding:24px 16px 64px}.sop-toolbar{width:820px;max-width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}.sop-sheet{background:#fff;width:820px;max-width:100%;padding:48px 56px;box-shadow:var(--shadow-md)}.sop-head{background:var(--primary);color:#fff;margin:-48px -56px 0;padding:40px 56px 32px;text-align:center}.sop-logo{height:44px;width:auto;max-width:140px;object-fit:contain;background:#fff;border-radius:10px;padding:8px 12px;margin:0 auto 16px;display:block}.sop-title{font-size:32px;margin:0 0 8px}.sop-subtitle{margin:0;font-size:15px;opacity:.95}.sop-section{margin-top:28px}.sop-section h2{display:flex;align-items:center;gap:10px;margin:0 0 10px;font-size:17px;padding-bottom:8px;border-bottom:1px solid var(--border)}.sop-no{width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.sop-text{margin:0;font-size:14.5px;line-height:1.7}.sop-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}.sop-list li{font-size:14.5px;line-height:1.6;padding-left:18px;position:relative}.sop-list li:before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--primary);opacity:.6}.sop-list.ordered{counter-reset:sop-step}.sop-list.ordered li{padding-left:40px}.sop-list.ordered li:before{counter-increment:sop-step;content:counter(sop-step);left:0;top:-1px;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-weight:700;font-size:13px;opacity:1;display:flex;align-items:center;justify-content:center}.sop-foot{margin-top:36px;padding-top:16px;border-top:1px solid var(--border);font-size:13px;color:var(--muted);text-align:center}@media (max-width: 640px){.poster-sheet{width:auto;min-height:0;padding:24px 18px}.poster-head{margin:-24px -18px 0;padding:28px 18px 24px}.poster-title{font-size:36px}.sop-sheet{padding:24px 18px}.sop-head{margin:-24px -18px 0;padding:24px 18px}.sop-title{font-size:24px}.page{padding:24px 12px 60px}.card{padding:20px}h1{font-size:22px}.table{font-size:13px}.preview{max-width:140px}.board-header{flex-direction:column}.actions{width:100%;flex-wrap:wrap}}