:root{
  --bg:#f5f7fb;--panel:#ffffff;--panel-2:#f8fafc;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;--brand:#2563eb;--brand-2:#3b82f6;--danger:#dc2626;--danger-2:#fee2e2;--success:#16a34a;--shadow:0 18px 45px rgba(15,23,42,.08);--radius:18px;--sidebar:#0f172a;--sidebar-2:#1e293b;--sidebar-text:#cbd5e1}
html.dark{--bg:#0b1120;--panel:#111827;--panel-2:#0f172a;--text:#e5e7eb;--muted:#94a3b8;--line:#1f2937;--brand:#60a5fa;--brand-2:#38bdf8;--shadow:0 22px 55px rgba(0,0,0,.35);--sidebar:#020617;--sidebar-2:#0f172a;--sidebar-text:#cbd5e1}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Noto Sans KR',Arial,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.55}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0 0 14px;letter-spacing:-.03em}h1{font-size:28px}h3{font-size:18px}.admin-shell{display:flex;min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:270px;background:linear-gradient(180deg,var(--sidebar),var(--sidebar-2));color:#fff;padding:22px 16px;display:flex;flex-direction:column;z-index:20}.brand{display:flex;gap:12px;align-items:center;padding:8px 8px 22px}.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#60a5fa,#2563eb);display:flex;align-items:center;justify-content:center;font-weight:900;box-shadow:0 12px 28px rgba(37,99,235,.35)}.brand strong{display:block;font-size:18px}.brand span{display:block;font-size:12px;color:var(--sidebar-text);margin-top:2px}.nav{display:flex;flex-direction:column;gap:5px}.nav-link{display:flex;align-items:center;gap:11px;color:var(--sidebar-text);padding:11px 12px;border-radius:13px;font-weight:650;text-decoration:none;transition:.16s ease}.nav-link:hover,.nav-link.active{background:rgba(255,255,255,.1);color:#fff;text-decoration:none}.nav-link.active{box-shadow:inset 3px 0 0 var(--brand-2)}.nav-icon{width:22px;text-align:center;font-size:17px}.sidebar-footer{margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding-top:12px}.logout{color:#fecaca}.main-area{width:100%;margin-left:270px;min-height:100vh}.admin-top{height:72px;position:sticky;top:0;z-index:10;background:rgba(245,247,251,.8);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px}html.dark .admin-top{background:rgba(11,17,32,.78)}.top-title{display:flex;flex-direction:column}.eyebrow{font-size:11px;font-weight:800;color:var(--brand);letter-spacing:.12em}.top-title strong{font-size:17px}.top-actions{display:flex;align-items:center;gap:12px}.admin-profile{display:flex;align-items:center;gap:9px;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:7px 12px;box-shadow:0 8px 22px rgba(15,23,42,.04)}.avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800}.theme-toggle,.mobile-menu{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:12px;width:40px;height:40px;cursor:pointer}.mobile-menu{display:none}.content{padding:30px;max-width:1440px}.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px}.topbar h1{margin-bottom:4px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:18px;box-shadow:var(--shadow)}.card p{color:var(--muted);margin:0 0 10px}.dashboard-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:18px}.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.stat-card span{display:block;color:var(--muted);font-size:13px}.stat-card strong{display:block;font-size:30px;margin-top:6px;letter-spacing:-.04em}.table{width:100%;border-collapse:separate;border-spacing:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.table th,.table td{border-bottom:1px solid var(--line);padding:13px 14px;text-align:left;vertical-align:middle}.table th{background:var(--panel-2);color:var(--muted);font-size:13px;font-weight:800}.table tr:last-child td{border-bottom:0}.table tbody tr:hover{background:rgba(37,99,235,.045)}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:3px 9px;font-size:12px;font-weight:800;background:#dbeafe;color:#1d4ed8}.badge.off{background:#f1f5f9;color:#64748b}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;padding:9px 15px;border:0;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;text-decoration:none;cursor:pointer;font-weight:800;box-shadow:0 10px 24px rgba(37,99,235,.22)}.btn:hover{text-decoration:none;filter:brightness(.98)}.btn.gray{background:#64748b;box-shadow:none}.btn.red{background:var(--danger);box-shadow:0 10px 24px rgba(220,38,38,.18)}.btn.light{background:var(--panel);color:var(--text);border:1px solid var(--line);box-shadow:none}input,textarea,select{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:13px;background:var(--panel);color:var(--text);outline:none;transition:.15s ease}input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(37,99,235,.1)}textarea{min-height:260px;resize:vertical}label{display:block;margin-bottom:7px;font-weight:800;color:var(--text)}.form-row{margin-bottom:17px}.form-help{font-size:13px;color:var(--muted);margin-top:5px}.error{background:var(--danger-2);color:#991b1b;border:1px solid #fecaca;border-radius:14px;padding:12px 14px;margin-bottom:14px;font-weight:700}.notice{background:#ecfdf5;color:#166534;border:1px solid #bbf7d0;border-radius:14px;padding:12px 14px;margin-bottom:14px;font-weight:700}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top left,#dbeafe,transparent 32%),radial-gradient(circle at bottom right,#e0f2fe,transparent 30%),var(--bg);padding:24px}.login-wrap{width:100%;max-width:420px;background:rgba(255,255,255,.86);border:1px solid rgba(226,232,240,.95);border-radius:26px;padding:34px;box-shadow:0 28px 70px rgba(15,23,42,.16);backdrop-filter:blur(16px)}html.dark .login-wrap{background:rgba(17,24,39,.86)}.login-logo{width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,#2563eb,#38bdf8);display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;font-weight:900;margin-bottom:16px}.login-wrap h1{font-size:26px;margin-bottom:6px}.login-desc{color:var(--muted);margin:0 0 22px}.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.empty{padding:42px;text-align:center;color:var(--muted)}@media(max-width:980px){.sidebar{transform:translateX(-105%);transition:.2s ease}.sidebar-open .sidebar{transform:translateX(0)}.main-area{margin-left:0}.mobile-menu{display:inline-block}.admin-top{padding:0 16px}.content{padding:20px}.dashboard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar{align-items:stretch;flex-direction:column}.table{display:block;overflow-x:auto;white-space:nowrap}}@media(max-width:560px){.dashboard-grid{grid-template-columns:1fr}.admin-profile span:not(.avatar){display:none}.login-wrap{padding:26px}}
.help{margin:.45rem 0 0;color:#64748b;font-size:13px}.file-list-admin{display:flex;flex-wrap:wrap;gap:8px}.file-list-admin span{background:#f1f5f9;border:1px solid #e2e8f0;border-radius:999px;padding:6px 10px}.btn.small{padding:6px 10px;font-size:12px}.form-card{max-width:980px}

.desc{margin:6px 0 0;color:var(--muted);font-size:14px}.badge{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:12px;font-weight:700}.badge.green{background:#dcfce7;color:#166534}.help{margin:8px 0 0;color:var(--muted);font-size:13px}.check-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px}.check-card{display:flex;gap:8px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--card);cursor:pointer}.check-card input{width:auto}.card-form{max-width:980px}

.ulk-editor{border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden;box-shadow:0 8px 24px rgba(15,23,42,.04)}
.ulk-editor-toolbar{display:flex;gap:6px;flex-wrap:wrap;padding:10px;border-bottom:1px solid var(--line);background:var(--panel-2)}
.ulk-editor-toolbar button{width:auto;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--text);padding:7px 10px;font-weight:800;cursor:pointer}
.ulk-editor-toolbar button:hover{border-color:var(--brand);color:var(--brand)}
.ulk-editor-area{min-height:300px;padding:16px;outline:none;background:var(--panel);color:var(--text);line-height:1.75}
.ulk-editor-area:focus{box-shadow:inset 0 0 0 3px rgba(37,99,235,.10)}
.ulk-editor-area blockquote{margin:12px 0;padding:10px 14px;border-left:4px solid var(--brand);background:var(--panel-2);color:var(--muted)}
.ulk-editor-area h2,.ulk-editor-area h3{margin:16px 0 8px}.ulk-editor-area p{margin:0 0 12px}

/* WYSIWYG editor */
.ulk-editor.wysiwyg-ready{border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden;box-shadow:0 8px 24px rgba(15,23,42,.04)}
.ulk-editor-toolbar{display:flex;gap:6px;flex-wrap:wrap;padding:10px;border-bottom:1px solid var(--line);background:var(--panel-2)}
.ulk-editor-toolbar .ulk-editor-btn,.ulk-editor-toolbar .ulk-editor-select{width:auto;min-height:34px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--text);padding:6px 9px;font-weight:800;cursor:pointer;box-shadow:none;font-size:13px}
.ulk-editor-toolbar .ulk-editor-select{padding-right:26px;min-width:100px}
.ulk-editor-toolbar .ulk-editor-btn:hover,.ulk-editor-toolbar .ulk-editor-select:hover{border-color:var(--brand);color:var(--brand)}
.ulk-editor-toolbar .source-toggle{margin-left:auto}
.ulk-editor-area{min-height:360px;padding:18px;outline:none;background:var(--panel);color:var(--text);line-height:1.75;overflow:auto}
.ulk-editor-area:focus{box-shadow:inset 0 0 0 3px rgba(37,99,235,.10)}
.ulk-editor-source{display:none;min-height:360px;border:0;border-radius:0;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,'Liberation Mono',monospace;font-size:13px;line-height:1.6;background:var(--panel);color:var(--text)}
.ulk-editor.source-mode .ulk-editor-area{display:none}.ulk-editor.source-mode .ulk-editor-source{display:block}
.ulk-editor-area blockquote{margin:12px 0;padding:10px 14px;border-left:4px solid var(--brand);background:var(--panel-2);color:var(--muted)}
.ulk-editor-area h2,.ulk-editor-area h3,.ulk-editor-area h4{margin:16px 0 8px}.ulk-editor-area p{margin:0 0 12px}.ulk-editor-area ul,.ulk-editor-area ol{padding-left:24px}.ulk-editor-area img{max-width:100%;height:auto;border-radius:12px}.ulk-editor-area table{width:100%;border-collapse:collapse;margin:14px 0}.ulk-editor-area th,.ulk-editor-area td{border:1px solid var(--line);padding:9px 10px;min-width:60px}.ulk-editor-area th{background:var(--panel-2)}