:root{--navy:#102a43;--navy2:#173f68;--blue:#1769e0;--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#6b778c;--border:#e2e8f0;--green:#16a05d;--red:#e5484d;--orange:#f97316;--shadow:0 6px 24px rgba(16,42,67,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}.hidden{display:none!important}.btn{border:1px solid var(--border);background:#fff;color:var(--text);padding:10px 15px;border-radius:8px;cursor:pointer;font-weight:600}.btn:hover{filter:brightness(.98)}.btn.primary{background:var(--blue);color:#fff;border-color:var(--blue)}.btn.danger{color:var(--red)}.login-shell{min-height:100vh;display:grid;place-items:center;background:linear-gradient(145deg,#0b1f33,#173f68)}.login-card{width:min(420px,92vw);background:#fff;padding:36px;border-radius:18px;box-shadow:0 24px 70px rgba(0,0,0,.25);text-align:center}.brand-mark{width:64px;height:64px;border-radius:18px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800;font-size:24px;margin:0 auto 18px}.brand-mark.small{width:42px;height:42px;border-radius:12px;font-size:16px;margin:0}.login-card h1{margin:0 0 8px}.login-card p{color:var(--muted);margin:0 0 26px}.login-card form{display:grid;gap:16px;text-align:left}.login-card label,.form-grid label{display:grid;gap:7px;font-weight:600;font-size:14px}.login-card input,.form-grid input,.form-grid select,.form-grid textarea{width:100%;border:1px solid var(--border);border-radius:8px;padding:11px 12px;background:#fff}.login-card small{display:block;margin-top:20px;color:var(--muted)}.app-shell{min-height:100vh;display:grid;grid-template-columns:240px 1fr}.sidebar{background:linear-gradient(180deg,var(--navy),#0b2136);color:#fff;padding:20px 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th{color:var(--muted);font-size:12px;text-transform:uppercase}.status{display:inline-flex;align-items:center;gap:7px}.dot{width:8px;height:8px;border-radius:50%;background:var(--green)}.dot.offline{background:var(--red)}.empty{padding:34px;text-align:center;color:var(--muted)}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}.media-card{border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#fff}.media-thumb{height:110px;background:#edf2f7;display:grid;place-items:center;overflow:hidden}.media-thumb img,.media-thumb video{width:100%;height:100%;object-fit:cover}.media-info{padding:10px}.media-info strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.media-info small{color:var(--muted)}.playlist-items{display:grid;gap:10px}.playlist-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border:1px solid var(--border);border-radius:8px}.item-main{display:flex;align-items:center;gap:12px}.item-icon{width:42px;height:42px;background:#edf2f7;border-radius:8px;display:grid;place-items:center;font-weight:800;color:var(--navy)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid .full{grid-column:1/-1}.modal{position:fixed;inset:0;background:rgba(4,16,30,.56);display:grid;place-items:center;padding:20px;z-index:20}.modal-card{width:min(720px,96vw);max-height:90vh;overflow:auto;background:#fff;border-radius:14px;padding:24px;position:relative}.modal-close{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:30px;cursor:pointer}.notice{border:1px solid 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.full{grid-column:auto}.table{font-size:13px}}