/* ============================================
   NexusCRM — Estilos globales
   assets/css/nexus.css
   ============================================ */

/* ── VARIABLES ───────────────────────────────── */
:root {
  --bg:      #0d0f14;
  --surface: #141720;
  --card:    #1a1e2a;
  --border:  #242838;
  --accent:  #5b7fff;
  --accent2: #38e8c6;
  --warn:    #ff6b6b;
  --text:    #e8eaf2;
  --muted:   #6b7192;
  --vip:     #ffd166;
  --radius:  12px;
  --trans:   .18s cubic-bezier(.4,0,.2,1);
}

/* ── RESET ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: 'DM Sans', sans-serif; min-height: 100vh; display: flex; }

/* ── SIDEBAR ─────────────────────────────────── */
.sidebar { width: 240px; flex-shrink: 0; background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 28px 0; position: fixed; height: 100vh; z-index: 20; }
.logo { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.4rem; padding: 0 24px 32px; letter-spacing: -.02em; }
.logo span { color: var(--accent); }
.nav-label { font-size: .7rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); padding: 0 24px 8px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 24px; cursor: pointer; color: var(--muted); font-weight: 500; transition: all var(--trans); border-left: 3px solid transparent; text-decoration: none; }
.nav-item:hover { color: var(--text); background: rgba(91,127,255,.07); }
.nav-item.active { color: var(--accent); border-left-color: var(--accent); background: rgba(91,127,255,.1); }
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-badge { background: var(--warn); color: #fff; font-size: .65rem; font-weight: 700; padding: 2px 6px; border-radius: 20px; margin-left: auto; }
.sidebar-footer { margin-top: auto; padding: 20px 24px; border-top: 1px solid var(--border); font-size: .78rem; color: var(--muted); }

/* ── MAIN LAYOUT ─────────────────────────────── */
.main { margin-left: 240px; flex: 1; display: flex; flex-direction: column; min-width: 0; }

/* ── TOPBAR ──────────────────────────────────── */
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); padding: 16px 28px; display: flex; align-items: center; gap: 12px; position: sticky; top: 0; z-index: 10; }
.topbar h1 { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.2rem; flex: 1; }

/* ── CONTENT ─────────────────────────────────── */
.content { padding: 24px 28px; flex: 1; }

/* ── BUTTONS ─────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 7px; padding: 9px 18px; border-radius: 8px; border: none; font-family: inherit; font-size: .88rem; font-weight: 500; cursor: pointer; transition: all var(--trans); white-space: nowrap; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #7090ff; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(91,127,255,.35); }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--muted); }
.btn-danger { background: rgba(255,107,107,.15); color: var(--warn); border: 1px solid rgba(255,107,107,.25); }
.btn-danger:hover { background: rgba(255,107,107,.25); }
.btn svg { width: 15px; height: 15px; }

/* ── CARDS ───────────────────────────────────── */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.card h2 { font-family: 'Syne', sans-serif; font-weight: 600; font-size: 1rem; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }

/* ── KPI GRID ────────────────────────────────── */
.kpi-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 14px; margin-bottom: 20px; }
.kpi { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 16px; transition: transform var(--trans), box-shadow var(--trans); }
.kpi:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.kpi-label { font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 6px; }
.kpi-val { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.6rem; line-height: 1; }
.kpi-icon { font-size: 1.4rem; margin-bottom: 6px; }

/* ── STATS GRID ──────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-bottom: 28px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; transition: transform var(--trans), box-shadow var(--trans); }
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.stat-label { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; }
.stat-value { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 2rem; }

/* ── CHARTS ──────────────────────────────────── */
.charts-row { display: grid; grid-template-columns: 1.6fr 1fr; gap: 16px; margin-bottom: 16px; }
.chart-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.chart-title { font-family: 'Syne', sans-serif; font-weight: 600; font-size: .95rem; margin-bottom: 16px; display: flex; align-items: center; justify-content: space-between; }
canvas { max-height: 220px; }

/* ── BOTTOM PANELS ───────────────────────────── */
.bottom-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.panel-title { font-family: 'Syne', sans-serif; font-weight: 600; font-size: .9rem; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.panel-title a { font-size: .75rem; color: var(--accent); text-decoration: none; font-family: 'DM Sans', sans-serif; font-weight: 400; }

/* ── TABLES ──────────────────────────────────── */
.table-wrap { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.table-header { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.table-header h2 { font-family: 'Syne', sans-serif; font-weight: 600; font-size: 1rem; }
table { width: 100%; border-collapse: collapse; }
thead th { background: rgba(255,255,255,.03); padding: 12px 16px; text-align: left; font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); border-bottom: 1px solid var(--border); }
tbody tr { border-bottom: 1px solid var(--border); transition: background var(--trans); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,.03); }
tbody td { padding: 14px 16px; vertical-align: middle; }

/* ── BADGES ──────────────────────────────────── */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: .72rem; font-weight: 600; text-transform: capitalize; }
.badge-vip       { background: rgba(255,209,102,.15); color: var(--vip); border: 1px solid rgba(255,209,102,.3); }
.badge-activo    { background: rgba(56,232,198,.12); color: var(--accent2); border: 1px solid rgba(56,232,198,.25); }
.badge-inactivo  { background: rgba(107,113,146,.15); color: var(--muted); border: 1px solid rgba(107,113,146,.25); }
.badge-prospecto { background: rgba(91,127,255,.15); color: var(--accent); border: 1px solid rgba(91,127,255,.3); }
.badge-admin     { background: rgba(255,209,102,.15); color: var(--vip); border: 1px solid rgba(255,209,102,.3); }
.badge-vendedor  { background: rgba(91,127,255,.15); color: var(--accent); border: 1px solid rgba(91,127,255,.3); }

/* ── ICON BUTTONS ────────────────────────────── */
.icon-btn { width: 30px; height: 30px; border-radius: 6px; border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all var(--trans); }
.icon-btn:hover { color: var(--text); border-color: var(--muted); background: rgba(255,255,255,.05); }
.icon-btn.del:hover { color: var(--warn); border-color: rgba(255,107,107,.4); background: rgba(255,107,107,.08); }
.icon-btn svg { width: 14px; height: 14px; }

/* ── MODALES ─────────────────────────────────── */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.65); backdrop-filter: blur(4px); z-index: 100; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity var(--trans); }
.modal-bg.open { opacity: 1; pointer-events: all; }
.modal { background: var(--card); border: 1px solid var(--border); border-radius: 16px; width: 90%; max-width: 560px; max-height: 90vh; overflow-y: auto; transform: scale(.96) translateY(12px); transition: transform var(--trans); padding: 28px; }
.modal-bg.open .modal { transform: scale(1) translateY(0); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.modal-header h2 { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.1rem; }
.close-btn { width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; transition: all var(--trans); }
.close-btn:hover { color: var(--text); background: rgba(255,255,255,.07); }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* ── FORMS ───────────────────────────────────── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1/-1; }
label { font-size: .73rem; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
input, select, textarea { background: var(--surface); border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 9px 12px; font-family: inherit; font-size: .9rem; outline: none; transition: border-color var(--trans); width: 100%; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 70px; }
select.filter { background: var(--card); border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 8px 12px; font-family: inherit; font-size: .88rem; outline: none; cursor: pointer; }

/* ── SEARCH INPUT ────────────────────────────── */
.search-wrap { position: relative; }
.search-wrap svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); width: 16px; height: 16px; pointer-events: none; }
#searchInput { background: var(--card); border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 8px 16px 8px 36px; width: 240px; font-family: inherit; font-size: .88rem; outline: none; transition: border-color var(--trans); }
#searchInput:focus { border-color: var(--accent); }

/* ── TOAST ───────────────────────────────────── */
.toast { position: fixed; bottom: 24px; right: 24px; z-index: 999; background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 12px 20px; display: flex; align-items: center; gap: 10px; box-shadow: 0 8px 32px rgba(0,0,0,.4); transform: translateY(80px); opacity: 0; transition: all .3s cubic-bezier(.4,0,.2,1); font-size: .88rem; }
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-left: 3px solid var(--accent2); }
.toast.error { border-left: 3px solid var(--warn); }

/* ── SPINNER ─────────────────────────────────── */
.spinner { width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--border); border-top-color: var(--accent); animation: spin .7s linear infinite; margin: 40px auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── EMPTY STATE ─────────────────────────────── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state svg { width: 48px; height: 48px; margin-bottom: 12px; opacity: .4; }

/* ── ALERTS ──────────────────────────────────── */
.alert { padding: 11px 16px; border-radius: 8px; font-size: .85rem; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.alert-ok    { background: rgba(56,232,198,.1); border: 1px solid rgba(56,232,198,.25); color: var(--accent2); }
.alert-error { background: rgba(255,107,107,.1); border: 1px solid rgba(255,107,107,.25); color: var(--warn); }

/* ── DIVIDER ─────────────────────────────────── */
.divider { height: 1px; background: var(--border); margin: 16px 0; }

/* ── SCROLLBAR ───────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── RESPONSIVE TABLET ───────────────────────── */
@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(3,1fr); }
  .charts-row { grid-template-columns: 1fr; }
  .bottom-row { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .kpi-grid { grid-template-columns: repeat(2,1fr); }
}

/* ── RESPONSIVE MOBILE ───────────────────────── */
@media (max-width: 768px) {
  /* Ocultar sidebar desktop */
  .sidebar { display: none !important; }
  .main { margin-left: 0 !important; width: 100% !important; padding-top: 120px; padding-bottom: 72px; }

  /* Topbar fijo debajo del topbar móvil */
  .topbar {
    position: fixed !important;
    top: 56px !important;
    left: 0 !important; right: 0 !important;
    z-index: 150 !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
    padding: 8px 12px !important;
  }

  /* Grids */
  .kpi-grid, .stats-grid { grid-template-columns: 1fr 1fr !important; gap: 8px !important; }
  .charts-row, .bottom-row, .cards-grid, .layout { grid-template-columns: 1fr !important; gap: 10px !important; }

  /* Kanban vertical */
  .kanban { flex-direction: column !important; min-width: unset !important; }
  .kanban-wrap { overflow-x: unset !important; }
  .col { width: 100% !important; }

  /* Stats row tareas */
  .stats-row { flex-wrap: wrap !important; }
  .stat-pill { flex: 1 1 45% !important; min-width: unset !important; }

  /* Tablas */
  .table-wrap { overflow-x: auto !important; -webkit-overflow-scrolling: touch; }
  table { min-width: 460px !important; font-size: .8rem !important; }
  thead th, tbody td { padding: 8px 10px !important; }

  /* Modales desde abajo */
  .modal-bg { align-items: flex-end !important; padding: 0 !important; }
  .modal { width: 100% !important; max-width: 100% !important; border-radius: 20px 20px 0 0 !important; padding: 20px 16px !important; max-height: 88vh !important; margin: 0 !important; }
  .form-grid, .detail-grid { grid-template-columns: 1fr !important; }
  .form-group.full { grid-column: 1 !important; }

  /* Misc */
  .btn { font-size: .82rem !important; padding: 8px 12px !important; }
  .card { padding: 16px !important; }
  select.filter { font-size: .8rem !important; padding: 6px 8px !important; }
  .filter-group { flex-wrap: wrap !important; gap: 6px !important; }
  input[type=date] { font-size: .78rem !important; }
  .content { padding: 12px !important; }
  #searchInput { width: 120px !important; }
}