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

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a2236;
  --bg-card-hover: #1f2a42;
  --bg-input: #151d30;
  --border: #2a3550;
  --border-focus: #6366f1;
  --text-primary: #e8ecf4;
  --text-secondary: #8892a8;
  --text-muted: #5a6580;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99,102,241,0.25);
  --t1: #22d3ee; --t1-bg: rgba(34,211,238,0.12);
  --t2: #818cf8; --t2-bg: rgba(129,140,248,0.12);
  --t3: #fbbf24; --t3-bg: rgba(251,191,36,0.12);
  --t4: #fb923c; --t4-bg: rgba(251,146,60,0.12);
  --nc: #64748b; --nc-bg: rgba(100,116,139,0.12);
  --hot: #ef4444; --warm: #f59e0b; --cold: #3b82f6;
  --success: #10b981;
  --danger: #ef4444;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --transition: all 0.2s ease;
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'Inter',sans-serif; background:var(--bg-primary); color:var(--text-primary); min-height:100vh; overflow-x:hidden; }

/* LOGIN */
.login-overlay { position:fixed; inset:0; background:var(--bg-primary); z-index:9999; display:flex; align-items:center; justify-content:center; }
.login-overlay.hidden { display:none; }
.login-box { background:var(--bg-card); border:1px solid var(--border); border-radius:20px; padding:48px 40px; width:420px; max-width:90vw; box-shadow:var(--shadow); text-align:center; }
.login-box .logo { font-size:32px; font-weight:800; background:linear-gradient(135deg,var(--accent),var(--t1)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; margin-bottom:8px; }
.login-box .subtitle { color:var(--text-secondary); font-size:14px; margin-bottom:32px; }
.login-box input { width:100%; padding:14px 16px; background:var(--bg-input); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-primary); font-size:14px; margin-bottom:16px; outline:none; transition:var(--transition); }
.login-box input:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-glow); }
.login-box .login-btn { width:100%; padding:14px; background:linear-gradient(135deg,var(--accent),#8b5cf6); border:none; border-radius:var(--radius-sm); color:#fff; font-size:15px; font-weight:600; cursor:pointer; transition:var(--transition); }
.login-box .login-btn:hover { transform:translateY(-1px); box-shadow:0 8px 24px var(--accent-glow); }
.login-error { color:var(--danger); font-size:13px; margin-top:12px; min-height:20px; }

/* HEADER */
.header { display:flex; align-items:center; justify-content:space-between; padding:16px 32px; background:var(--bg-secondary); border-bottom:1px solid var(--border); position:sticky; top:0; z-index:100; backdrop-filter:blur(12px); }
.header .brand { font-size:22px; font-weight:800; background:linear-gradient(135deg,var(--accent),var(--t1)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.header .brand span { font-weight:400; font-size:14px; color:var(--text-secondary); -webkit-text-fill-color:var(--text-secondary); margin-left:12px; }
.header-actions { display:flex; align-items:center; gap:12px; }
.header-actions button { padding:10px 20px; border-radius:var(--radius-sm); border:1px solid var(--border); background:var(--bg-card); color:var(--text-primary); font-size:13px; font-weight:500; cursor:pointer; transition:var(--transition); display:flex; align-items:center; gap:8px; }
.header-actions button:hover { border-color:var(--accent); background:var(--bg-card-hover); }
.header-actions .btn-export { background:linear-gradient(135deg,var(--accent),#8b5cf6); border-color:transparent; }
.header-actions .btn-export:hover { box-shadow:0 4px 16px var(--accent-glow); }
.header-actions .btn-logout { background:transparent; border-color:var(--danger); color:var(--danger); }

/* STATS */
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; padding:24px 32px; }
.stat-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px 24px; transition:var(--transition); cursor:pointer; position:relative; overflow:hidden; }
.stat-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:var(--accent); opacity:0; transition:var(--transition); }
.stat-card:hover { border-color:var(--accent); transform:translateY(-2px); box-shadow:0 8px 24px rgba(0,0,0,0.2); }
.stat-card:hover::before { opacity:1; }
.stat-card.active { border-color:var(--accent); background:var(--bg-card-hover); }
.stat-card.active::before { opacity:1; }
.stat-card .stat-label { font-size:12px; font-weight:500; color:var(--text-secondary); text-transform:uppercase; letter-spacing:1px; }
.stat-card .stat-value { font-size:28px; font-weight:800; margin-top:4px; }
.stat-card .stat-sub { font-size:12px; color:var(--text-muted); margin-top:2px; }
.stat-card[data-tier="T1"] .stat-value { color:var(--t1); }
.stat-card[data-tier="T2"] .stat-value { color:var(--t2); }
.stat-card[data-tier="T3"] .stat-value { color:var(--t3); }
.stat-card[data-tier="T4"] .stat-value { color:var(--t4); }
.stat-card[data-tier="all"] .stat-value { color:var(--accent); }
.stat-card[data-tier="csv"] .stat-value { color:var(--text-primary); }
.stat-card[data-tier="csv"]::before { background:linear-gradient(90deg,var(--accent),var(--t1)); }
.stat-card[data-tier="excluded"] .stat-value { color:var(--danger); }
.stat-card[data-tier="excluded"]::before { background:var(--danger); }

/* FILTERS */
.filters-bar { padding:0 32px 16px; display:flex; flex-wrap:wrap; gap:12px; align-items:center; }
.search-box { flex:1; min-width:280px; position:relative; }
.search-box input { width:100%; padding:12px 16px 12px 44px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-primary); font-size:14px; outline:none; transition:var(--transition); }
.search-box input:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-glow); }
.search-box svg { position:absolute; left:14px; top:50%; transform:translateY(-50%); color:var(--text-muted); }
.filter-select { padding:12px 16px; padding-right:36px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-primary); font-size:13px; outline:none; cursor:pointer; appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238892a8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 12px center; transition:var(--transition); min-width:160px; }
.filter-select:focus { border-color:var(--accent); }
.filter-select option { background:var(--bg-secondary); color:var(--text-primary); }
.btn-clear-filters { padding:10px 16px; background:transparent; border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-secondary); font-size:13px; cursor:pointer; transition:var(--transition); }
.btn-clear-filters:hover { border-color:var(--danger); color:var(--danger); }

/* ACTIVE TAGS BAR */
.tags-bar { padding:0 32px 16px; display:flex; flex-wrap:wrap; gap:8px; min-height:0; }
.tags-bar:empty { display:none; }
.active-tag { display:inline-flex; align-items:center; gap:6px; padding:6px 12px; background:var(--accent-glow); border:1px solid var(--accent); border-radius:20px; font-size:12px; font-weight:500; color:var(--accent-hover); cursor:pointer; transition:var(--transition); }
.active-tag:hover { background:var(--accent); color:#fff; }
.active-tag .remove { font-size:14px; font-weight:700; }

/* TABLE */
.table-container { padding:0 32px 32px; overflow-x:auto; }
table { width:100%; border-collapse:separate; border-spacing:0; }
thead th { position:sticky; top:0; background:var(--bg-secondary); padding:14px 16px; font-size:11px; font-weight:600; text-transform:uppercase; letter-spacing:1px; color:var(--text-secondary); text-align:left; border-bottom:2px solid var(--border); cursor:pointer; user-select:none; white-space:nowrap; transition:var(--transition); }
thead th:hover { color:var(--accent); }
thead th .sort-icon { margin-left:4px; opacity:0.4; }
thead th.sorted .sort-icon { opacity:1; color:var(--accent); }
tbody tr { transition:var(--transition); }
tbody tr:hover { background:var(--bg-card-hover); }
tbody td { padding:12px 16px; font-size:13px; border-bottom:1px solid var(--border); white-space:nowrap; max-width:220px; overflow:hidden; text-overflow:ellipsis; }
tbody td.name-cell { font-weight:600; color:var(--text-primary); }
tbody td.email-cell a { color:var(--accent-hover); text-decoration:none; }
tbody td.email-cell a:hover { text-decoration:underline; }

/* BADGES */
.tier-badge { display:inline-flex; align-items:center; padding:4px 10px; border-radius:20px; font-size:11px; font-weight:700; letter-spacing:0.5px; }
.tier-badge.T1 { background:var(--t1-bg); color:var(--t1); }
.tier-badge.T2 { background:var(--t2-bg); color:var(--t2); }
.tier-badge.T3 { background:var(--t3-bg); color:var(--t3); }
.tier-badge.T4 { background:var(--t4-bg); color:var(--t4); }
.tier-badge.NC { background:var(--nc-bg); color:var(--nc); }
.interest-dot { display:inline-block; width:8px; height:8px; border-radius:50%; margin-right:6px; }
.interest-dot.hot { background:var(--hot); box-shadow:0 0 6px var(--hot); }
.interest-dot.warm { background:var(--warm); box-shadow:0 0 6px var(--warm); }
.interest-dot.cold { background:var(--cold); }
.score-bar { display:flex; align-items:center; gap:8px; }
.score-bar .bar { width:60px; height:6px; background:var(--bg-input); border-radius:3px; overflow:hidden; }
.score-bar .bar .fill { height:100%; border-radius:3px; transition:width 0.3s ease; }
.linkedin-link { color:var(--accent-hover); text-decoration:none; font-size:12px; }
.linkedin-link:hover { text-decoration:underline; }

/* TAG BUTTONS IN TABLE */
.tag-cell { display:flex; gap:4px; flex-wrap:wrap; }
.contact-tag { padding:3px 8px; border-radius:12px; font-size:10px; font-weight:600; cursor:pointer; border:none; transition:var(--transition); }
.tag-hot-lead { background:rgba(239,68,68,0.15); color:#ef4444; }
.tag-qualified { background:rgba(16,185,129,0.15); color:#10b981; }
.tag-callback { background:rgba(251,191,36,0.15); color:#fbbf24; }
.tag-starred { background:rgba(129,140,248,0.15); color:#818cf8; }
.add-tag-btn { padding:3px 8px; border-radius:12px; font-size:10px; background:var(--bg-input); border:1px dashed var(--border); color:var(--text-muted); cursor:pointer; transition:var(--transition); }
.add-tag-btn:hover { border-color:var(--accent); color:var(--accent); }

/* TAG DROPDOWN */
.tag-dropdown { position:absolute; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); padding:8px; box-shadow:var(--shadow); z-index:200; min-width:140px; }
.tag-dropdown button { display:block; width:100%; padding:8px 12px; text-align:left; background:none; border:none; color:var(--text-primary); font-size:12px; cursor:pointer; border-radius:4px; transition:var(--transition); }
.tag-dropdown button:hover { background:var(--bg-card-hover); }

/* PAGINATION */
.pagination { display:flex; align-items:center; justify-content:space-between; padding:16px 32px; border-top:1px solid var(--border); }
.pagination .info { font-size:13px; color:var(--text-secondary); }
.pagination .pages { display:flex; gap:4px; }
.pagination .pages button { padding:8px 14px; border:1px solid var(--border); border-radius:var(--radius-sm); background:var(--bg-card); color:var(--text-primary); font-size:13px; cursor:pointer; transition:var(--transition); }
.pagination .pages button:hover { border-color:var(--accent); }
.pagination .pages button.active { background:var(--accent); border-color:var(--accent); color:#fff; }
.pagination .pages button:disabled { opacity:0.3; cursor:not-allowed; }
.per-page-select { padding:8px 12px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-primary); font-size:13px; outline:none; cursor:pointer; }

/* DETAIL PANEL */
.detail-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.6); z-index:500; display:none; backdrop-filter:blur(4px); }
.detail-overlay.show { display:flex; justify-content:flex-end; }
.detail-panel { width:480px; max-width:90vw; background:var(--bg-secondary); border-left:1px solid var(--border); height:100vh; overflow-y:auto; padding:32px; animation:slideIn 0.25s ease; }
@keyframes slideIn { from{transform:translateX(100%)} to{transform:translateX(0)} }
.detail-panel .close-btn { position:absolute; top:16px; right:16px; background:none; border:none; color:var(--text-secondary); font-size:24px; cursor:pointer; }
.detail-panel h2 { font-size:22px; font-weight:700; margin-bottom:4px; }
.detail-panel .detail-company { color:var(--text-secondary); font-size:14px; margin-bottom:24px; }
.detail-section { margin-bottom:24px; }
.detail-section h3 { font-size:12px; font-weight:600; text-transform:uppercase; letter-spacing:1px; color:var(--text-muted); margin-bottom:12px; }
.detail-row { display:flex; justify-content:space-between; padding:8px 0; border-bottom:1px solid var(--border); }
.detail-row .label { color:var(--text-secondary); font-size:13px; }
.detail-row .value { color:var(--text-primary); font-size:13px; font-weight:500; text-align:right; max-width:260px; overflow:hidden; text-overflow:ellipsis; }
.detail-tags { display:flex; flex-wrap:wrap; gap:8px; margin-top:12px; }
.detail-notes textarea { width:100%; min-height:80px; padding:12px; background:var(--bg-input); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-primary); font-size:13px; resize:vertical; outline:none; }
.detail-notes textarea:focus { border-color:var(--accent); }

/* LOADING */
.loading { display:flex; align-items:center; justify-content:center; padding:80px; }
.spinner { width:40px; height:40px; border:3px solid var(--border); border-top-color:var(--accent); border-radius:50%; animation:spin 0.8s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }

/* RESPONSIVE */
@media(max-width:768px) {
  .stats-grid { grid-template-columns:repeat(2,1fr); padding:16px; }
  .filters-bar,.table-container,.pagination { padding-left:16px; padding-right:16px; }
  .header { padding:12px 16px; }
  .detail-panel { width:100%; }
}

/* SCROLLBAR */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:var(--bg-primary); }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--text-muted); }

/* BULK ACTIONS */
.bulk-bar { display:none; padding:12px 32px; background:var(--bg-card); border-bottom:1px solid var(--border); align-items:center; gap:16px; }
.bulk-bar.show { display:flex; }
.bulk-bar .count { font-size:14px; font-weight:600; color:var(--accent); }
.bulk-bar button { padding:8px 16px; border-radius:var(--radius-sm); border:1px solid var(--border); background:var(--bg-input); color:var(--text-primary); font-size:12px; cursor:pointer; transition:var(--transition); }
.bulk-bar button:hover { border-color:var(--accent); }
.checkbox { width:16px; height:16px; accent-color:var(--accent); cursor:pointer; }