@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: #111128;
  --bg-card: rgba(17,17,40,0.7);
  --bg-sidebar: rgba(11,11,30,0.95);
  --bg-glass: rgba(255,255,255,0.03);
  --bg-hover: rgba(99,102,241,0.08);
  --border: rgba(99,102,241,0.15);
  --border-light: rgba(255,255,255,0.06);
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99,102,241,0.3);
  --green: #10b981;
  --green-glow: rgba(16,185,129,0.2);
  --orange: #f59e0b;
  --orange-glow: rgba(245,158,11,0.2);
  --red: #ef4444;
  --red-glow: rgba(239,68,68,0.2);
  --pink: #ec4899;
  --cyan: #06b6d4;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --sidebar-w: 260px;
  --header-h: 64px;
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'Inter',sans-serif; background:var(--bg-primary); color:var(--text-primary); overflow-x:hidden; min-height:100vh; }
a { color:var(--accent-light); text-decoration:none; }
::-webkit-scrollbar { width:5px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--accent); border-radius:3px; }

/* ═══ LAYOUT ═══ */
.admin-layout { display:flex; min-height:100vh; }

/* ═══ SIDEBAR ═══ */
.sidebar { width:var(--sidebar-w); background:var(--bg-sidebar); border-right:1px solid var(--border); position:fixed; top:0; left:0; bottom:0; z-index:100; display:flex; flex-direction:column; backdrop-filter:blur(20px); transition:transform .3s; }
.sidebar-brand { padding:20px 24px; display:flex; align-items:center; gap:12px; border-bottom:1px solid var(--border); }
.sidebar-brand .logo-icon { width:36px; height:36px; background:linear-gradient(135deg,var(--accent),var(--pink)); border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:1.1rem; flex-shrink:0; }
.sidebar-brand span { font-weight:800; font-size:1rem; }
.sidebar-brand small { display:block; font-size:.7rem; color:var(--text-muted); font-weight:400; margin-top:2px; }
.sidebar-nav { flex:1; padding:16px 12px; overflow-y:auto; }
.nav-section { margin-bottom:20px; }
.nav-section-title { font-size:.7rem; text-transform:uppercase; letter-spacing:1.5px; color:var(--text-muted); padding:8px 12px; font-weight:600; }
.nav-item { display:flex; align-items:center; gap:12px; padding:10px 14px; border-radius:var(--radius-sm); color:var(--text-secondary); font-size:.9rem; font-weight:500; cursor:pointer; transition:all .2s; margin-bottom:2px; position:relative; }
.nav-item:hover { background:var(--bg-hover); color:var(--text-primary); }
.nav-item.active { background:linear-gradient(135deg,rgba(99,102,241,0.15),rgba(139,92,246,0.1)); color:var(--accent-light); font-weight:600; }
.nav-item.active::before { content:''; position:absolute; left:0; top:50%; transform:translateY(-50%); width:3px; height:60%; background:var(--accent); border-radius:0 3px 3px 0; }
.nav-item .icon { font-size:1.1rem; width:22px; text-align:center; }
.nav-item .badge { margin-left:auto; background:var(--red); color:#fff; font-size:.65rem; padding:2px 7px; border-radius:50px; font-weight:700; }
.sidebar-footer { padding:16px; border-top:1px solid var(--border); }
.sidebar-user { display:flex; align-items:center; gap:10px; padding:10px; border-radius:var(--radius-sm); background:var(--bg-glass); }
.sidebar-user .avatar { width:34px; height:34px; background:linear-gradient(135deg,var(--accent),var(--pink)); border-radius:8px; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:.85rem; }
.sidebar-user .info { flex:1; }
.sidebar-user .info .name { font-size:.85rem; font-weight:600; }
.sidebar-user .info .role { font-size:.7rem; color:var(--accent-light); }

/* ═══ MAIN CONTENT ═══ */
.main-content { flex:1; margin-left:var(--sidebar-w); }
.top-header { height:var(--header-h); border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; padding:0 32px; background:rgba(10,10,26,0.8); backdrop-filter:blur(20px); position:sticky; top:0; z-index:50; }
.top-header h1 { font-size:1.25rem; font-weight:700; }
.top-header .actions { display:flex; gap:12px; align-items:center; }
.page-content { padding:28px 32px; }

/* ═══ STAT CARDS ═══ */
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:20px; margin-bottom:28px; }
.stat-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:24px; position:relative; overflow:hidden; transition:all .3s; }
.stat-card:hover { transform:translateY(-3px); border-color:var(--accent); box-shadow:0 10px 40px rgba(0,0,0,.3); }
.stat-card .stat-icon { width:42px; height:42px; border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:1.2rem; margin-bottom:14px; }
.stat-card .stat-icon.purple { background:rgba(99,102,241,0.15); }
.stat-card .stat-icon.green { background:rgba(16,185,129,0.15); }
.stat-card .stat-icon.orange { background:rgba(245,158,11,0.15); }
.stat-card .stat-icon.pink { background:rgba(236,72,153,0.15); }
.stat-card .stat-icon.cyan { background:rgba(6,182,212,0.15); }
.stat-card .stat-value { font-size:1.8rem; font-weight:800; margin-bottom:4px; }
.stat-card .stat-label { font-size:.8rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:.5px; }
.stat-card .stat-change { position:absolute; top:20px; right:20px; font-size:.75rem; padding:3px 8px; border-radius:50px; font-weight:600; }
.stat-change.up { background:var(--green-glow); color:var(--green); }
.stat-change.down { background:var(--red-glow); color:var(--red); }
.stat-card::after { content:''; position:absolute; bottom:0; left:0; right:0; height:2px; background:linear-gradient(90deg,transparent,var(--accent),transparent); opacity:0; transition:opacity .3s; }
.stat-card:hover::after { opacity:1; }

/* ═══ BUTTONS ═══ */
.btn { padding:9px 20px; border-radius:var(--radius-xs); font-weight:600; font-size:.85rem; cursor:pointer; border:none; font-family:'Inter',sans-serif; display:inline-flex; align-items:center; gap:6px; transition:all .25s; }
.btn-primary { background:linear-gradient(135deg,var(--accent),#8b5cf6); color:#fff; box-shadow:0 4px 15px var(--accent-glow); }
.btn-primary:hover { transform:translateY(-1px); box-shadow:0 6px 25px var(--accent-glow); }
.btn-outline { background:transparent; color:var(--text-primary); border:1px solid var(--border); }
.btn-outline:hover { border-color:var(--accent); background:var(--bg-hover); }
.btn-ghost { background:transparent; color:var(--text-secondary); padding:6px 10px; }
.btn-ghost:hover { color:var(--text-primary); background:var(--bg-glass); }
.btn-danger { background:linear-gradient(135deg,var(--red),#dc2626); color:#fff; }
.btn-green { background:linear-gradient(135deg,var(--green),#059669); color:#fff; }
.btn-sm { padding:6px 14px; font-size:.8rem; }
.btn-icon { width:36px; height:36px; padding:0; justify-content:center; border-radius:var(--radius-xs); }

/* ═══ DATA TABLE ═══ */
.table-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; margin-bottom:24px; }
.table-header { display:flex; align-items:center; justify-content:space-between; padding:18px 22px; border-bottom:1px solid var(--border); flex-wrap:wrap; gap:12px; }
.table-header h3 { font-size:1rem; font-weight:700; }
.table-header .tools { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.search-box { display:flex; align-items:center; gap:8px; background:var(--bg-primary); border:1px solid var(--border); border-radius:var(--radius-xs); padding:7px 14px; }
.search-box input { background:none; border:none; color:var(--text-primary); font-size:.85rem; outline:none; width:180px; font-family:'Inter',sans-serif; }
table { width:100%; border-collapse:collapse; }
thead th { text-align:left; padding:12px 18px; font-size:.75rem; text-transform:uppercase; letter-spacing:.5px; color:var(--text-muted); font-weight:600; border-bottom:1px solid var(--border); white-space:nowrap; }
tbody td { padding:12px 18px; font-size:.87rem; border-bottom:1px solid var(--border-light); vertical-align:middle; }
tbody tr { transition:background .2s; }
tbody tr:hover { background:var(--bg-hover); }
tbody tr:last-child td { border-bottom:none; }
.table-empty { text-align:center; padding:50px 20px; color:var(--text-muted); }

/* ═══ STATUS BADGES ═══ */
.badge { padding:4px 10px; border-radius:50px; font-size:.73rem; font-weight:600; display:inline-flex; align-items:center; gap:4px; }
.badge-green { background:var(--green-glow); color:var(--green); }
.badge-red { background:var(--red-glow); color:var(--red); }
.badge-orange { background:var(--orange-glow); color:var(--orange); }
.badge-purple { background:rgba(99,102,241,0.15); color:var(--accent-light); }
.badge-gray { background:rgba(100,116,139,0.15); color:var(--text-muted); }

/* ═══ FORMS ═══ */
.form-group { margin-bottom:16px; }
.form-group label { display:block; font-size:.82rem; font-weight:600; color:var(--text-secondary); margin-bottom:5px; }
.form-group input, .form-group select, .form-group textarea { width:100%; padding:10px 14px; background:var(--bg-primary); border:1px solid var(--border); border-radius:var(--radius-xs); color:var(--text-primary); font-size:.9rem; font-family:'Inter',sans-serif; outline:none; transition:border .3s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color:var(--accent); }
.form-group select { cursor:pointer; appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 12px center; padding-right:32px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }

/* ═══ MODAL ═══ */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,.7); backdrop-filter:blur(6px); z-index:2000; display:none; align-items:center; justify-content:center; padding:20px; }
.modal-overlay.active { display:flex; }
.modal { background:var(--bg-secondary); border:1px solid var(--border); border-radius:var(--radius); padding:28px; width:100%; max-width:520px; position:relative; max-height:90vh; overflow-y:auto; animation:modalIn .3s; }
@keyframes modalIn { from{opacity:0;transform:scale(.95)} to{opacity:1;transform:scale(1)} }
.modal h2 { font-size:1.2rem; font-weight:700; margin-bottom:20px; padding-right:30px; }
.modal .close-btn { position:absolute; top:14px; right:14px; background:none; border:none; color:var(--text-muted); font-size:1.3rem; cursor:pointer; transition:color .2s; }
.modal .close-btn:hover { color:var(--text-primary); }
.modal-actions { display:flex; gap:10px; justify-content:flex-end; margin-top:20px; padding-top:16px; border-top:1px solid var(--border); }

/* ═══ TOAST ═══ */
.toast-container { position:fixed; top:20px; right:20px; z-index:9999; display:flex; flex-direction:column; gap:10px; }
.toast { padding:14px 20px; border-radius:var(--radius-sm); backdrop-filter:blur(20px); display:flex; align-items:center; gap:10px; font-size:.87rem; font-weight:500; animation:toastIn .4s; min-width:280px; border:1px solid var(--border); }
.toast-success { background:rgba(16,185,129,0.15); border-color:var(--green); color:var(--green); }
.toast-error { background:rgba(239,68,68,0.15); border-color:var(--red); color:var(--red); }
@keyframes toastIn { from{opacity:0;transform:translateX(40px)} to{opacity:1;transform:translateX(0)} }

/* ═══ PAGE SECTIONS ═══ */
.page-section { display:none; }
.page-section.active { display:block; animation:fadeIn .3s; }
@keyframes fadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }

/* ═══ LOADING ═══ */
.loading-screen { position:fixed; inset:0; background:var(--bg-primary); z-index:9999; display:flex; align-items:center; justify-content:center; flex-direction:column; gap:16px; transition:opacity .5s; }
.loading-screen.hide { opacity:0; pointer-events:none; }
.spinner { width:36px; height:36px; border:3px solid var(--border); border-top-color:var(--accent); border-radius:50%; animation:spin .8s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }

/* ═══ KEYS OUTPUT ═══ */
.keys-output { background:var(--bg-primary); border:1px solid var(--border); border-radius:var(--radius-xs); padding:14px; max-height:200px; overflow-y:auto; font-family:monospace; font-size:.82rem; color:var(--green); line-height:1.7; margin-top:12px; word-break:break-all; }

/* ═══ RESPONSIVE ═══ */
@media(max-width:900px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); }
  .main-content { margin-left:0; }
  .top-header { padding:0 16px; }
  .page-content { padding:20px 16px; }
  .form-row { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
}
@media(max-width:480px) {
  .stats-grid { grid-template-columns:1fr; }
}