:root{color-scheme:dark;--bg:#0b1018;--panel:#121a26;--panel2:#182232;--line:#263247;--text:#eef4ff;--muted:#93a2b8;--accent:#31b8a5;--accent2:#55d3c1;--danger:#ff7474;--sidebar:260px;font-family:Inter,"Pretendard","Noto Sans KR",system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:14px}button,input,select{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:var(--sidebar) 1fr}.sidebar{position:sticky;top:0;height:100vh;padding:28px 18px 18px;background:#0e1621;border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none;padding:0 10px 26px}.brand-mark{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--accent2),#187f78);color:#07120f;font-weight:900;font-size:20px}.brand strong{display:block;font-size:18px}.brand small,.sidebar-user small{display:block;color:var(--muted);margin-top:2px}.nav-section{padding:22px 12px 8px;color:#64758c;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.nav-item{display:block;padding:9px 12px;margin:2px 0;border-radius:8px;color:#b8c4d6;text-decoration:none}.nav-item:hover,.nav-item.active{background:#1a2938;color:white}.nav-item.active{box-shadow:inset 3px 0 var(--accent)}.sidebar-user{margin-top:auto;border-top:1px solid var(--line);padding:18px 10px 0;display:flex;align-items:center;justify-content:space-between;gap:8px}.link-button{border:0;background:none;color:var(--muted);cursor:pointer}.main-content{padding:42px 48px 64px;min-width:0}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;margin-bottom:30px}.page-header h1{font-size:34px;margin:4px 0 8px;letter-spacing:-.03em}.page-header 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span{color:var(--muted)}.module-grid{display:grid;grid-template-columns:repeat(3,minmax(220px,1fr));gap:14px}.module-card{min-height:170px;padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--text);text-decoration:none;transition:.18s ease}.module-card:hover{transform:translateY(-2px);border-color:#3c746f;background:#14202c}.module-card>span{color:#587087;font-variant-numeric:tabular-nums}.module-card h3{font-size:18px;margin:20px 0 8px}.module-card p{color:var(--muted);line-height:1.6}.module-card b{display:block;margin-top:16px;color:var(--accent2);font-size:12px}.login-page{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;background:radial-gradient(circle at 15% 20%,#153644 0,transparent 31%),var(--bg)}.login-panel{padding:56px 7vw;display:flex;flex-direction:column}.login-brand{display:flex;align-items:center;gap:12px}.login-brand strong{display:block;font-size:18px}.login-brand small{display:block;color:var(--muted);margin-top:3px}.login-copy{margin:auto 0;max-width:620px}.login-copy h1{font-size:52px;line-height:1.17;letter-spacing:-.05em;margin:18px 0}.login-copy>p:last-child{font-size:17px;line-height:1.8;color:var(--muted);max-width:520px}.login-form-wrap{display:grid;place-items:center;padding:40px;background:rgba(7,11,17,.45);border-left:1px solid var(--line)}.login-form{width:min(410px,100%);padding:38px;border:1px solid var(--line);border-radius:18px;background:rgba(18,26,38,.92);box-shadow:0 24px 70px #0005}.login-form h2{font-size:28px;margin:5px 0 28px}.login-form label,.form-grid>label{display:grid;gap:8px;color:#b9c5d6;margin-bottom:18px}.login-form input,.form-grid input,.form-grid select{width:100%;padding:12px 13px;border:1px solid #344159;border-radius:8px;background:#0c131e;color:white;outline:none}.login-form input:focus,.form-grid input:focus,.form-grid select:focus{border-color:var(--accent)}.primary,.secondary{border:0;border-radius:8px;padding:11px 16px;cursor:pointer;font-weight:750}.primary{background:var(--accent);color:#07120f}.secondary{background:#253349;color:#dce7f6}.wide{width:100%;margin-top:5px}.form-note{color:#728096;font-size:12px;line-height:1.6;margin:20px 0 0}.alert{padding:12px 14px;margin:0 0 18px;border-radius:8px}.alert.error{background:#4b2027;color:#ffc1c6;border:1px solid #78343e}.empty-state{margin-top:25px;min-height:390px;border:1px dashed #344258;border-radius:16px;display:grid;place-content:center;text-align:center;padding:40px}.empty-state>span{color:var(--accent2);font-weight:800}.empty-state p{max-width:560px;color:var(--muted);line-height:1.7}.button-link{display:inline-block;text-decoration:none;margin:18px auto 0}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;margin-bottom:18px}.create-panel summary{padding:18px 22px;cursor:pointer;font-weight:750}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:4px 22px 24px}.menu-options{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:10px;border:1px solid var(--line);border-radius:10px;padding:16px}.menu-options label{color:#b8c5d8}.menu-options input{width:auto;margin-right:7px}.form-grid>.primary{justify-self:start}.table-panel{overflow:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:#8494aa;font-size:12px;background:#151f2d}tbody tr:last-child td{border-bottom:0}.muted-row{color:#68778a}.badge.success{background:#164138;color:#7be2c8}.badge.neutral{background:#2a303b;color:#98a3b4}button:disabled{opacity:.4;cursor:not-allowed}.actions-cell{display:flex;align-items:flex-start;gap:8px}.access-editor{position:relative}.access-editor>summary{list-style:none;cursor:pointer;padding:11px 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1fr}.menu-options{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.app-shell{display:block}.sidebar{position:relative;width:100%;height:auto}.sidebar nav{display:none}.main-content{padding:24px 16px}.module-grid{grid-template-columns:1fr}.login-page{grid-template-columns:1fr}.login-panel{min-height:320px;padding:30px}.login-copy h1{font-size:34px}.login-form-wrap{border-left:0;border-top:1px solid var(--line);padding:24px}.form-grid{grid-template-columns:1fr}.menu-options{grid-template-columns:1fr}.page-header{display:block}.date-chip{display:inline-block;margin-top:14px}.access-editor>form{position:fixed;inset:8%;width:auto;overflow:auto}.compact-menu-options{grid-template-columns:1fr}}