:root{--color-success: #16A34A;--color-danger: #DC2626;--color-primary: #2563EB;--color-muted: #6B7280;--color-bg: #F3F4F6;--color-surface: #FFFFFF;--color-border: #E5E7EB;--color-text: #111827;--color-text-muted: #6B7280;--color-header: #1E3A5F;font-family:Segoe UI,맑은 고딕,sans-serif;font-size:14px;color:var(--color-text)}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;font-size:14px;cursor:pointer}input{font-family:inherit;font-size:14px}.login-page{min-height:100vh;display:grid;place-items:center;background:var(--color-bg)}.login-box{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:40px;width:360px;box-shadow:0 4px 20px #0000000d;display:flex;flex-direction:column;gap:16px}.login-box h1{margin:0;font-size:28px;color:var(--color-header)}.login-subtitle{margin:0 0 16px;color:var(--color-muted)}.login-box label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--color-muted)}.login-box input{padding:10px 12px;border:1px solid var(--color-border);border-radius:6px;font-size:14px}.login-box input:focus{outline:none;border-color:var(--color-primary)}.login-box button[type=submit]{background:var(--color-primary);color:#fff;border:none;padding:12px;border-radius:6px;font-weight:600;margin-top:8px}.login-box button[type=submit]:disabled{opacity:.5;cursor:not-allowed}.error{background:#fee2e2;color:var(--color-danger);padding:8px 12px;border-radius:6px;font-size:13px}.login-hint{text-align:center;font-size:12px;color:var(--color-muted);margin-top:8px}.layout{min-height:100vh;display:flex;flex-direction:column}.topbar{background:var(--color-header);color:#fff;padding:12px 20px;display:flex;justify-content:space-between;align-items:center}.topbar-title{font-size:18px;font-weight:700}.topbar-user{display:flex;gap:16px;align-items:center;font-size:13px}.btn-link{background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;padding:4px 10px;border-radius:4px;font-size:12px}.btn-link:hover{background:#ffffff1a}.layout-body{flex:1;display:flex}.sidebar{background:var(--color-surface);width:200px;border-right:1px solid var(--color-border);padding:16px 0}.nav-item{display:block;padding:10px 20px;color:var(--color-text);text-decoration:none;border-left:3px solid transparent}.nav-item:hover{background:var(--color-bg);text-decoration:none}.nav-item.active{background:var(--color-bg);border-left-color:var(--color-primary);font-weight:600;color:var(--color-primary)}.content{flex:1;padding:24px;overflow:auto}.page h1{margin-top:0;font-size:22px}.placeholder{padding:60px;background:var(--color-surface);border:1px dashed var(--color-border);border-radius:8px;text-align:center;color:var(--color-muted)}.dashboard{display:flex;flex-direction:column;gap:16px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:16px 20px}.stat-label{color:var(--color-muted);font-size:13px}.stat-value{font-size:28px;font-weight:700;margin-top:6px;color:var(--color-text)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:16px 20px}.card h2{margin:0 0 12px;font-size:16px;color:var(--color-text)}.dashboard-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.empty{padding:24px;text-align:center;color:var(--color-muted);font-size:13px}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th,.data-table td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--color-border)}.data-table th{color:var(--color-muted);font-weight:600;background:var(--color-bg)}.data-table tr:last-child td{border-bottom:none}.data-table .muted{color:var(--color-muted);font-size:12px}.data-table .mono{font-family:Consolas,monospace;font-size:12px}.progress-cell{display:flex;flex-direction:column;gap:4px}.progress-cell .bar{height:4px;background:var(--color-border);border-radius:2px;overflow:hidden}.progress-cell .bar-fill{height:100%;background:var(--color-success)}.badge{display:inline-block;padding:2px 8px;border-radius:3px;font-size:11px;font-weight:600;color:#fff}.badge-success{background:var(--color-success)}.badge-muted{background:var(--color-muted)}.badge-danger{background:var(--color-danger)}.badge-primary{background:var(--color-primary)}.filter-bar{display:flex;gap:16px;align-items:flex-end}.filter-bar label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--color-muted)}.filter-bar select,.filter-bar input{padding:8px 10px;border:1px solid var(--color-border);border-radius:6px;font-size:14px;min-width:200px}.filter-info{margin-left:auto;color:var(--color-muted);font-size:13px}.stat-grid-3{grid-template-columns:repeat(3,1fr)}.channel-stats{display:flex;gap:16px;margin-top:8px}.channel-stats>div{display:flex;flex-direction:column;gap:2px;font-size:13px}.channel-stats>div b{font-size:16px;color:var(--color-text)}.channel-stats .muted{color:var(--color-muted);font-size:11px}.filter-bar.wrap{flex-wrap:wrap;gap:12px}.filter-bar.wrap label select,.filter-bar.wrap label input{min-width:160px}.filter-actions{display:flex;gap:8px;align-items:flex-end;margin-left:auto}.btn-primary,.btn-secondary{padding:8px 16px;border-radius:6px;font-weight:600;border:none;cursor:pointer;font-size:13px}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:#1d4ed8}.btn-secondary{background:#e5e7eb;color:var(--color-text)}.btn-secondary:hover:not(:disabled){background:#d1d5db}.btn-primary:disabled,.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.btn-danger-sm{padding:4px 10px;border-radius:4px;background:transparent;border:1px solid var(--color-danger);color:var(--color-danger);font-size:12px;cursor:pointer}.btn-danger-sm:hover{background:var(--color-danger);color:#fff}.btn-secondary-sm{padding:4px 10px;border-radius:4px;background:transparent;border:1px solid var(--color-border);color:var(--color-text);font-size:12px;cursor:pointer}.btn-secondary-sm:hover{background:var(--color-bg)}.checkbox-label{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--color-muted);cursor:pointer}.table-scroll{max-height:600px;overflow:auto}.card-header{display:flex;justify-content:space-between;align-items:center}.card-header h2,.card-header h1{margin:0}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#11182780;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:8px;padding:20px;width:min(560px,92vw);max-height:90vh;overflow:auto;box-shadow:0 10px 30px #0003}.form-row{display:flex;align-items:center;gap:8px;margin:12px 0}.form-row>span:first-child{min-width:120px;color:var(--color-text-muted)}.form-row input,.form-row select{flex:1;min-width:0}