:root{--bg:#f3f6fb;--bg-soft:#eef4ff;--surface:#ffffff;--surface-2:#f8fbff;--line:#dde6f2;--line-strong:#cbd8ea;--text:#0f172a;--muted:#66758b;--primary:#2563eb;--primary-strong:#1d4ed8;--navy:#0f172a;--navy-soft:#162236;--success:#16a34a;--warning:#ea580c;--danger:#dc2626;--radius:22px;--shadow:0 16px 40px rgba(15,23,42,0.08);--shadow-soft:0 8px 24px rgba(15,23,42,0.06)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(circle at top left,rgba(37,99,235,.08),transparent 320px),var(--bg);color:var(--text);font-family:Pretendard,Inter,Noto Sans KR,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,select,textarea{font:inherit}.admin-layout{min-height:100vh;display:grid;grid-template-columns:290px minmax(0,1fr)}.admin-dim{display:none}.admin-sidebar-wrap{position:-webkit-sticky;position:sticky;top:0;height:100vh;height:100dvh;z-index:40;background:linear-gradient(180deg,#0f172a,#101b2d);border-right:1px solid rgba(255,255,255,.06);box-shadow:10px 0 30px rgba(2,6,23,.18);overflow:hidden}.admin-sidebar{height:100%;display:flex;flex-direction:column;padding:22px 18px 0;color:#fff;overflow:hidden}.admin-sidebar-top{flex:0 0 auto;margin-bottom:18px}.admin-brand{display:flex;align-items:center;gap:14px;padding:12px;border-radius:18px;background:rgba(255,255,255,.04)}.admin-brand-logo{width:50px;height:50px;border-radius:16px;background:rgba(255,255,255,.12);overflow:hidden;display:grid;place-items:center;flex-shrink:0}.admin-brand-logo img{width:30px;height:30px;object-fit:contain}.admin-brand-title{font-size:17px;font-weight:900;line-height:1.2}.admin-brand-sub{margin-top:5px;color:rgba(255,255,255,.65);font-size:12px;letter-spacing:.06em}.admin-nav{flex:1 1 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max(18px,env(safe-area-inset-bottom))}.admin-sidebar-help{border-radius:18px;padding:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08)}.admin-sidebar-help-title{font-size:13px;font-weight:900;margin-bottom:8px}.admin-sidebar-help-text{font-size:13px;line-height:1.6;color:rgba(255,255,255,.78)}.admin-main-wrap{min-width:0;display:flex;flex-direction:column}.admin-header{position:-webkit-sticky;position:sticky;top:0;z-index:30;min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 28px;background:rgba(243,246,251,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid rgba(221,230,242,.9)}.admin-header-left,.admin-header-right{display:flex;align-items:center;gap:14px}.admin-header-title{font-size:24px;font-weight:950;letter-spacing:-.04em}.admin-header-sub{margin-top:5px;font-size:13px;color:var(--muted);line-height:1.5}.admin-header-chip{height:34px;padding:0 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rgba(59,130,246,.12)}.textarea{min-height:180px;resize:vertical}.btn{height:44px;border:0;border-radius:14px;padding:0 16px;background:linear-gradient(135deg,var(--primary),var(--primary-strong));color:#fff;font-weight:900;cursor:pointer;transition:.16s ease;box-shadow:0 10px 18px rgba(37,99,235,.2)}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn.secondary{background:#fff;color:#0f172a;border:1px solid var(--line);box-shadow:none}.btn.danger{background:linear-gradient(135deg,#ef4444,#dc2626);box-shadow:0 10px 18px rgba(220,38,38,.18)}.badge{display:inline-flex;align-items:center;justify-content:center;min-height:28px;padding:0 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rgba(226,232,240,.9);border-radius:24px;box-shadow:0 24px 60px rgba(15,23,42,.12);padding:28px}.login-brand{justify-content:space-between;gap:16px;margin-bottom:22px}.login-brand,.login-brand-left{display:flex;align-items:center}.login-brand-left{gap:14px}.login-logo{width:52px;height:52px;border-radius:16px;overflow:hidden;background:#eff6ff;display:grid;place-items:center}.login-title{font-size:26px;font-weight:950;letter-spacing:-.04em}.login-sub{margin-top:6px;color:var(--muted);font-size:14px;line-height:1.5}.login-pill{height:34px;padding:0 12px;border-radius:999px;background:#dbeafe;color:#1d4ed8;display:inline-flex;align-items:center;font-size:12px;font-weight:900}.login-form{display:grid;grid-gap:16px;gap:16px}.login-error{border-radius:16px;background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}.login-error,.success-box{margin-bottom:14px;padding:14px;font-weight:800}.success-box{border-radius:16px;background:#f0fdf4;border:1px solid #bbf7d0;color:#166534}@media 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