/* Enhanced Media OS — Parallel Pages */
:root {
  --tb: #0f1b2d;
  --sb: #162236;
  --bg: #f0f2f5;
  --card: #fff;
  --border: #e2e8f0;
  --head: #1e293b;
  --body: #334155;
  --muted: #64748b;
  --acc: #e31e24;
  --ai: #667eea;
  --ai2: #764ba2;
  --sb-text: #cbd5e1;
  --sb-active: rgba(255,255,255,.12);
  --sb-hover: rgba(255,255,255,.07);
  --success: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --tr: .3s;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--body);overflow:hidden;height:100vh}
a{text-decoration:none;color:inherit;cursor:pointer}

/* ─ Layout ─ */
.app-wrap{display:flex;height:100vh;width:100vw}
.sidebar{width:240px;min-width:240px;background:var(--sb);display:flex;flex-direction:column;transition:width var(--tr);overflow:hidden;z-index:100}
.sidebar.collapsed{width:60px;min-width:60px}
.sidebar.collapsed .sb-text,
.sidebar.collapsed .sb-section-label,
.sidebar.collapsed .sb-badge,
.sidebar.collapsed .sb-logo-text{display:none}
.sidebar.collapsed .sb-item{justify-content:center;padding:.6rem}
.sidebar.collapsed .sb-icon{margin-right:0}
.main-area{flex:1;display:flex;flex-direction:column;overflow:hidden}
.topbar{height:52px;background:var(--tb);display:flex;align-items:center;padding:0 1.2rem;color:#fff;gap:.8rem;flex-shrink:0}
.content{flex:1;overflow-y:auto;padding:1.5rem}

/* ─ Sidebar ─ */
.sb-logo{padding:1rem;display:flex;align-items:center;gap:.6rem;border-bottom:1px solid rgba(255,255,255,.08)}
.sb-logo-icon{width:32px;height:32px;background:var(--acc);border-radius:6px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:.85rem}
.sb-logo-text{color:#fff;font-weight:700;font-size:.88rem;white-space:nowrap}
.sb-nav{flex:1;overflow-y:auto;padding:.5rem 0}
.sb-nav::-webkit-scrollbar{width:3px}
.sb-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:3px}
.sb-section{margin-bottom:.3rem}
.sb-section-label{color:var(--muted);font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;padding:.6rem .8rem .3rem 1rem}
.sb-item{display:flex;align-items:center;padding:.55rem 1rem;color:var(--sb-text);font-size:.82rem;cursor:pointer;transition:all var(--tr);border-left:3px solid transparent;white-space:nowrap}
.sb-item:hover{background:var(--sb-hover)}
.sb-item.active{background:var(--sb-active);color:#fff;border-left-color:var(--acc)}
.sb-icon{margin-right:.6rem;font-size:1rem;width:1.2rem;text-align:center;flex-shrink:0}
.sb-badge{margin-left:auto;font-size:.6rem;padding:1px 6px;border-radius:10px;background:var(--ai);color:#fff;font-weight:600}
.sb-footer{padding:.8rem;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:.5rem}
.sb-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;color:#fff;flex-shrink:0}
.sb-user-name{color:var(--sb-text);font-size:.78rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sb-user-role{color:var(--muted);font-size:.65rem}
.sb-toggle{cursor:pointer;padding:.4rem;border-radius:4px;color:var(--sb-text);background:none;border:none;font-size:1rem;transition:all var(--tr)}
.sb-toggle:hover{background:var(--sb-hover)}

/* ─ Topbar ─ */
.tb-title{font-size:.92rem;font-weight:700}
.tb-breadcrumb{font-size:.75rem;color:rgba(255,255,255,.6)}
.tb-spacer{flex:1}
.tb-btn{background:none;border:1px solid rgba(255,255,255,.2);color:#fff;padding:.35rem .7rem;border-radius:var(--radius);font-size:.75rem;cursor:pointer;transition:all var(--tr);display:flex;align-items:center;gap:.3rem}
.tb-btn:hover{background:rgba(255,255,255,.1)}
.tb-env{font-size:.65rem;padding:3px 8px;border-radius:10px;font-weight:600}
.tb-env.staging{background:#f59e0b;color:#000}
.tb-env.live{background:var(--success);color:#fff}
.tb-search{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#fff;padding:.35rem .7rem;border-radius:var(--radius);font-size:.78rem;width:200px;outline:none;transition:all var(--tr)}
.tb-search::placeholder{color:rgba(255,255,255,.4)}
.tb-search:focus{border-color:var(--acc);width:280px}

/* ─ Cards & Components ─ */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem;box-shadow:var(--shadow)}
.card-title{font-size:.88rem;font-weight:700;color:var(--head);margin-bottom:.8rem;display:flex;align-items:center;gap:.4rem}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.2rem;box-shadow:var(--shadow);transition:all var(--tr)}
.stat-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.08)}
.stat-value{font-size:1.8rem;font-weight:800;color:var(--head);line-height:1.2}
.stat-label{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-top:.2rem}
.stat-change{font-size:.7rem;margin-top:.3rem;font-weight:600}
.stat-change.up{color:var(--success)}
.stat-change.down{color:var(--danger)}
.page-header{margin-bottom:1.5rem}
.page-title{font-size:1.3rem;font-weight:800;color:var(--head)}
.page-subtitle{font-size:.8rem;color:var(--muted);margin-top:.2rem}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.82rem}
th{text-align:left;padding:.6rem .8rem;border-bottom:2px solid var(--border);color:var(--muted);font-size:.7rem;text-transform:uppercase;letter-spacing:.5px;font-weight:600}
td{padding:.6rem .8rem;border-bottom:1px solid var(--border)}
tr:hover td{background:rgba(0,0,0,.015)}
.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:.68rem;font-weight:600}
.badge-success{background:#dcfce7;color:#166534}
.badge-warn{background:#fef9c3;color:#854d0e}
.badge-danger{background:#fee2e2;color:#991b1b}
.badge-info{background:#dbeafe;color:#1e40af}
.badge-muted{background:#f1f5f9;color:#64748b}
.btn{padding:.45rem .9rem;border-radius:var(--radius);font-size:.78rem;font-weight:600;cursor:pointer;border:none;transition:all var(--tr);display:inline-flex;align-items:center;gap:.3rem}
.btn-primary{background:var(--acc);color:#fff}
.btn-primary:hover{opacity:.9}
.btn-secondary{background:#f1f5f9;color:var(--head);border:1px solid var(--border)}
.btn-secondary:hover{background:#e2e8f0}
.btn-ai{background:linear-gradient(135deg,var(--ai),var(--ai2));color:#fff}
.empty-state{text-align:center;padding:3rem;color:var(--muted)}
.empty-state .empty-icon{font-size:2.5rem;margin-bottom:.8rem}
.empty-state .empty-text{font-size:.88rem}
.progress-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden}
.progress-fill{height:100%;border-radius:3px;transition:width .6s ease}
.tab-bar{display:flex;border-bottom:2px solid var(--border);margin-bottom:1.2rem;gap:0}
.tab{padding:.5rem 1rem;font-size:.8rem;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all var(--tr);font-weight:500}
.tab:hover{color:var(--head)}
.tab.active{color:var(--acc);border-bottom-color:var(--acc);font-weight:700}
.search-box{display:flex;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:.4rem .7rem;gap:.4rem}
.search-box input{border:none;outline:none;font-size:.8rem;flex:1;background:none}
.avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.65rem;font-weight:700;color:#fff;flex-shrink:0}
.chip{display:inline-flex;align-items:center;gap:.3rem;padding:.2rem .6rem;border-radius:12px;font-size:.7rem;font-weight:500;background:#f1f5f9;color:var(--body)}

/* ─ Login page ─ */
.login-wrap{display:flex;align-items:center;justify-content:center;height:100vh;background:linear-gradient(135deg,#0f1b2d 0%,#1e293b 100%)}
.login-card{background:var(--card);border-radius:12px;padding:2.5rem;width:380px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-logo{text-align:center;margin-bottom:1.5rem}
.login-logo h1{font-size:1.4rem;color:var(--head);font-weight:800}
.login-logo p{font-size:.78rem;color:var(--muted);margin-top:.3rem}
.login-field{margin-bottom:1rem}
.login-field label{display:block;font-size:.75rem;font-weight:600;color:var(--head);margin-bottom:.3rem}
.login-field input{width:100%;padding:.6rem .8rem;border:1px solid var(--border);border-radius:var(--radius);font-size:.85rem;outline:none;transition:border-color var(--tr)}
.login-field input:focus{border-color:var(--acc)}
.login-btn{width:100%;padding:.7rem;background:linear-gradient(135deg,var(--acc),#b91c1c);color:#fff;border:none;border-radius:var(--radius);font-size:.88rem;font-weight:700;cursor:pointer;margin-top:.5rem;transition:opacity var(--tr)}
.login-btn:hover{opacity:.9}
.login-footer{text-align:center;margin-top:1rem;font-size:.72rem;color:var(--muted)}

/* ─ Responsive ─ */
@media(max-width:768px){
  .sidebar{position:fixed;left:-240px;height:100vh;z-index:200;transition:left var(--tr)}
  .sidebar.open{left:0}
  .sidebar-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:199;display:none}
  .sidebar-overlay.show{display:block}
  .stat-grid{grid-template-columns:1fr 1fr}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .content{padding:1rem}
  .tb-search{width:120px}
  .tb-search:focus{width:160px}
}