:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #242836;
  --bg4: #2e3345;
  --border: #333847;
  --text: #e4e6ed;
  --text2: #9399a8;
  --text3: #6b7185;
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --primary-bg: rgba(99,102,241,0.12);
  --nuevo: #3b82f6;
  --contactado: #f59e0b;
  --en-negociacion: #8b5cf6;
  --cerrado-ganado: #10b981;
  --cerrado-perdido: #ef4444;
  --radius: 10px;
  --shadow: 0 2px 8px rgba(0,0,0,0.25);
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'Inter',system-ui,-apple-system,sans-serif; background:var(--bg); color:var(--text); min-height:100vh; }
a { color:var(--primary); text-decoration:none; }
button { cursor:pointer; font-family:inherit; }
input,select,textarea { font-family:inherit; }

/* ── Login ── */
.login-screen { display:flex; align-items:center; justify-content:center; min-height:100vh; background:var(--bg); }
.login-box { background:var(--bg2); border:1px solid var(--border); border-radius:16px; padding:40px; width:380px; max-width:90vw; }
.login-box h1 { font-size:1.6rem; font-weight:700; margin-bottom:4px; text-align:center; }
.login-box h1 span { color:var(--primary); }
.login-box p.sub { color:var(--text2); font-size:0.85rem; text-align:center; margin-bottom:28px; }
.login-box .field { margin-bottom:16px; }
.login-box label { display:block; font-size:0.8rem; color:var(--text2); margin-bottom:6px; font-weight:500; }
.login-box input { width:100%; padding:10px 14px; background:var(--bg3); border:1px solid var(--border); border-radius:8px; color:var(--text); font-size:0.9rem; outline:none; transition:border 0.2s; }
.login-box input:focus { border-color:var(--primary); }
.login-box .btn-login { width:100%; padding:11px; background:var(--primary); color:#fff; border:none; border-radius:8px; font-size:0.9rem; font-weight:600; margin-top:8px; transition:background 0.2s; }
.login-box .btn-login:hover { background:var(--primary-hover); }
.login-box .error { color:var(--cerrado-perdido); font-size:0.8rem; margin-top:10px; text-align:center; min-height:20px; }
.lang-switch { display:flex; justify-content:center; gap:8px; margin-bottom:20px; }
.lang-switch button { background:var(--bg3); border:1px solid var(--border); color:var(--text2); padding:4px 12px; border-radius:6px; font-size:0.75rem; transition:all 0.2s; }
.lang-switch button.active { background:var(--primary-bg); border-color:var(--primary); color:var(--primary); }

/* ── Layout ── */
.app { display:flex; min-height:100vh; }
.sidebar { width:220px; background:var(--bg2); border-right:1px solid var(--border); padding:20px 0; display:flex; flex-direction:column; position:fixed; top:0; left:0; bottom:0; z-index:50; }
.sidebar .logo { padding:0 20px 24px; font-size:1.2rem; font-weight:700; }
.sidebar .logo span { color:var(--primary); }
.sidebar nav { flex:1; }
.sidebar nav a { display:flex; align-items:center; gap:10px; padding:10px 20px; color:var(--text2); font-size:0.85rem; font-weight:500; transition:all 0.15s; border-left:3px solid transparent; }
.sidebar nav a:hover { color:var(--text); background:var(--bg3); }
.sidebar nav a.active { color:var(--primary); background:var(--primary-bg); border-left-color:var(--primary); }
.sidebar nav a svg { width:18px; height:18px; flex-shrink:0; }
.sidebar .user-info { padding:16px 20px; border-top:1px solid var(--border); }
.sidebar .user-info .name { font-size:0.85rem; font-weight:600; }
.sidebar .user-info .role { font-size:0.75rem; color:var(--text3); }
.sidebar .btn-logout { margin:8px 20px 0; padding:7px; background:var(--bg3); border:1px solid var(--border); border-radius:6px; color:var(--text2); font-size:0.78rem; transition:all 0.2s; }
.sidebar .btn-logout:hover { background:var(--cerrado-perdido); color:#fff; border-color:var(--cerrado-perdido); }
.main { margin-left:220px; flex:1; padding:28px 32px; min-height:100vh; }
.page { display:none; }
.page.active { display:block; }
.page-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:24px; }
.page-header h2 { font-size:1.3rem; font-weight:700; }

/* ── Buttons ── */
.btn { padding:8px 16px; border-radius:8px; font-size:0.82rem; font-weight:600; border:none; transition:all 0.2s; display:inline-flex; align-items:center; gap:6px; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-hover); }
.btn-secondary { background:var(--bg3); color:var(--text); border:1px solid var(--border); }
.btn-secondary:hover { background:var(--bg4); }
.btn-sm { padding:5px 10px; font-size:0.75rem; }
.btn-icon { background:none; border:none; color:var(--text3); padding:4px; border-radius:6px; transition:all 0.15s; }
.btn-icon:hover { color:var(--text); background:var(--bg3); }
.btn-danger { background:var(--cerrado-perdido); color:#fff; }
.btn-danger:hover { opacity:0.85; }

/* ── KPI Cards ── */
.kpi-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(180px,1fr)); gap:16px; margin-bottom:24px; }
.kpi { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:18px; }
.kpi .kpi-label { font-size:0.75rem; color:var(--text3); font-weight:500; text-transform:uppercase; letter-spacing:0.04em; margin-bottom:8px; }
.kpi .kpi-value { font-size:1.6rem; font-weight:700; }
.kpi .kpi-sub { font-size:0.75rem; color:var(--text2); margin-top:4px; }

/* ── Cards / Panels ── */
.card { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:20px; margin-bottom:16px; }
.card h3 { font-size:0.9rem; font-weight:600; margin-bottom:14px; color:var(--text2); }
.two-col { display:grid; grid-template-columns:1fr 1fr; gap:16px; }

/* ── Funnel ── */
.funnel-bar { display:flex; align-items:center; gap:10px; margin-bottom:10px; }
.funnel-bar .label { width:120px; font-size:0.78rem; color:var(--text2); text-align:right; flex-shrink:0; }
.funnel-bar .bar { flex:1; height:26px; border-radius:6px; position:relative; min-width:4px; transition:width 0.4s; }
.funnel-bar .bar span { position:absolute; right:8px; top:50%; transform:translateY(-50%); font-size:0.72rem; font-weight:600; color:#fff; }

/* ── Table ── */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; font-size:0.82rem; }
thead th { text-align:left; padding:10px 12px; color:var(--text3); font-weight:600; font-size:0.72rem; text-transform:uppercase; letter-spacing:0.04em; border-bottom:1px solid var(--border); cursor:pointer; white-space:nowrap; user-select:none; }
thead th:hover { color:var(--text); }
tbody td { padding:10px 12px; border-bottom:1px solid var(--border); white-space:nowrap; }
tbody tr { transition:background 0.1s; }
tbody tr:hover { background:var(--bg3); }
.sort-icon { margin-left:4px; opacity:0.5; }

/* ── Status Pills ── */
.pill { display:inline-block; padding:3px 10px; border-radius:20px; font-size:0.7rem; font-weight:600; }
.pill-nuevo { background:rgba(59,130,246,0.15); color:var(--nuevo); }
.pill-contactado { background:rgba(245,158,11,0.15); color:var(--contactado); }
.pill-en_negociacion { background:rgba(139,92,246,0.15); color:var(--en-negociacion); }
.pill-cerrado_ganado { background:rgba(16,185,129,0.15); color:var(--cerrado-ganado); }
.pill-cerrado_perdido { background:rgba(239,68,68,0.15); color:var(--cerrado-perdido); }

/* ── Search & Filters ── */
.filters { display:flex; gap:10px; margin-bottom:16px; flex-wrap:wrap; align-items:center; }
.filters input, .filters select { padding:8px 12px; background:var(--bg3); border:1px solid var(--border); border-radius:8px; color:var(--text); font-size:0.82rem; outline:none; }
.filters input { flex:1; min-width:200px; }
.filters input:focus, .filters select:focus { border-color:var(--primary); }
.filters select { min-width:130px; }

/* ── Pagination ── */
.pagination { display:flex; align-items:center; justify-content:center; gap:8px; margin-top:16px; }
.pagination button { padding:6px 12px; background:var(--bg3); border:1px solid var(--border); border-radius:6px; color:var(--text2); font-size:0.78rem; }
.pagination button:hover { background:var(--bg4); color:var(--text); }
.pagination button:disabled { opacity:0.4; cursor:default; }
.pagination span { font-size:0.78rem; color:var(--text3); }

/* ── Modal ── */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.6); z-index:200; display:none; align-items:center; justify-content:center; }
.modal-overlay.open { display:flex; }
.modal { background:var(--bg2); border:1px solid var(--border); border-radius:14px; padding:28px; width:520px; max-width:92vw; max-height:88vh; overflow-y:auto; }
.modal h3 { font-size:1.05rem; font-weight:700; margin-bottom:20px; }
.modal .field { margin-bottom:14px; }
.modal label { display:block; font-size:0.78rem; color:var(--text2); margin-bottom:5px; font-weight:500; }
.modal input, .modal select, .modal textarea { width:100%; padding:9px 12px; background:var(--bg3); border:1px solid var(--border); border-radius:8px; color:var(--text); font-size:0.85rem; outline:none; }
.modal textarea { min-height:80px; resize:vertical; }
.modal input:focus, .modal select:focus, .modal textarea:focus { border-color:var(--primary); }
.modal .modal-actions { display:flex; gap:10px; justify-content:flex-end; margin-top:20px; }
.modal .two-fields { display:grid; grid-template-columns:1fr 1fr; gap:12px; }

/* ── Detail Panel ── */
.detail-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.5); z-index:200; display:none; }
.detail-overlay.open { display:block; }
.detail-panel { position:fixed; top:0; right:0; bottom:0; width:480px; max-width:100vw; background:var(--bg2); border-left:1px solid var(--border); z-index:201; overflow-y:auto; padding:28px; transform:translateX(100%); transition:transform 0.25s ease; }
.detail-overlay.open .detail-panel { transform:translateX(0); }
.detail-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; }
.detail-header h3 { font-size:1.1rem; font-weight:700; }
.detail-info { margin-bottom:20px; }
.detail-info .row { display:flex; justify-content:space-between; padding:8px 0; border-bottom:1px solid var(--border); font-size:0.82rem; }
.detail-info .row .lbl { color:var(--text3); }
.quick-actions { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:20px; }
.timeline { margin-top:16px; }
.timeline-item { display:flex; gap:12px; padding:12px 0; border-bottom:1px solid var(--border); }
.timeline-icon { width:32px; height:32px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:0.8rem; flex-shrink:0; }
.timeline-icon.note { background:rgba(99,102,241,0.15); color:var(--primary); }
.timeline-icon.status_change { background:rgba(245,158,11,0.15); color:var(--contactado); }
.timeline-icon.call { background:rgba(16,185,129,0.15); color:var(--cerrado-ganado); }
.timeline-icon.email { background:rgba(59,130,246,0.15); color:var(--nuevo); }
.timeline-icon.meeting { background:rgba(139,92,246,0.15); color:var(--en-negociacion); }
.timeline-icon.task { background:rgba(239,68,68,0.15); color:var(--cerrado-perdido); }
.timeline-icon.created { background:rgba(99,102,241,0.15); color:var(--primary); }
.timeline-body { flex:1; }
.timeline-body .desc { font-size:0.82rem; }
.timeline-body .meta { font-size:0.72rem; color:var(--text3); margin-top:3px; }

/* ── Kanban ── */
.kanban { display:flex; gap:14px; overflow-x:auto; padding-bottom:16px; min-height:60vh; }
.kanban-col { min-width:240px; flex:1; background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); display:flex; flex-direction:column; }
.kanban-col-header { padding:14px 14px 10px; border-bottom:1px solid var(--border); }
.kanban-col-header .col-title { font-size:0.78rem; font-weight:700; text-transform:uppercase; letter-spacing:0.04em; }
.kanban-col-header .col-meta { font-size:0.7rem; color:var(--text3); margin-top:4px; }
.kanban-col-body { flex:1; padding:10px; min-height:100px; }
.kanban-col-body.drag-over { background:var(--bg3); border-radius:0 0 var(--radius) var(--radius); }
.kanban-card { background:var(--bg); border:1px solid var(--border); border-radius:8px; padding:12px; margin-bottom:8px; cursor:grab; transition:transform 0.15s, box-shadow 0.15s; }
.kanban-card:active { cursor:grabbing; }
.kanban-card.dragging { opacity:0.5; transform:rotate(2deg); }
.kanban-card .kc-company { font-size:0.82rem; font-weight:600; margin-bottom:4px; }
.kanban-card .kc-contact { font-size:0.72rem; color:var(--text2); }
.kanban-card .kc-footer { display:flex; justify-content:space-between; align-items:center; margin-top:8px; }
.kanban-card .kc-value { font-size:0.75rem; font-weight:600; color:var(--cerrado-ganado); }
.kanban-card .kc-avatar { width:22px; height:22px; border-radius:50%; background:var(--primary-bg); color:var(--primary); display:flex; align-items:center; justify-content:center; font-size:0.65rem; font-weight:700; }

/* ── Activity Feed ── */
.feed-item { display:flex; gap:10px; padding:10px 0; border-bottom:1px solid var(--border); font-size:0.78rem; }
.feed-item .feed-dot { width:8px; height:8px; border-radius:50%; margin-top:5px; flex-shrink:0; }
.feed-item .feed-text { color:var(--text2); }
.feed-item .feed-text strong { color:var(--text); font-weight:600; }
.feed-item .feed-time { font-size:0.7rem; color:var(--text3); margin-top:2px; }

/* ── Responsive ── */
@media(max-width:768px) {
  .sidebar { width:60px; }
  .sidebar .logo span, .sidebar nav a span, .sidebar .user-info .name,
  .sidebar .user-info .role, .sidebar .btn-logout span { display:none; }
  .sidebar .logo { padding:0 0 20px; text-align:center; }
  .sidebar nav a { justify-content:center; padding:12px 0; border-left:none; border-bottom:3px solid transparent; }
  .sidebar nav a.active { border-bottom-color:var(--primary); }
  .main { margin-left:60px; padding:20px 16px; }
  .two-col { grid-template-columns:1fr; }
  .kanban { flex-direction:column; }
  .kanban-col { min-width:100%; }
  .detail-panel { width:100vw; }
  .modal { width:95vw; }
}