@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-sidebar: #0B1220;
  --bg-sidebar-hover: #16213A;
  --bg-app: #F5F6F8;
  --bg-card: #FFFFFF;
  --border: #E2E5EA;
  --text-main: #1A2333;
  --text-muted: #6B7686;
  --text-inverse: #E7EAF0;

  --accent: #2E6BFF;
  --ok: #1FA971;
  --ok-bg: #E7F8F1;
  --warn: #C6800A;
  --warn-bg: #FCF1DC;
  --danger: #D6394A;
  --danger-bg: #FBE7EA;

  --radius: 10px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg-app);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
  background: var(--bg-sidebar);
  color: var(--text-inverse);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  padding: 0 10px 20px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(31,169,113,0.25);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-inverse);
  cursor: pointer;
  opacity: 0.75;
  transition: background 0.15s, opacity 0.15s;
}

.nav-item:hover { background: var(--bg-sidebar-hover); opacity: 1; }
.nav-item.active { background: var(--bg-sidebar-hover); opacity: 1; box-shadow: inset 3px 0 0 var(--accent); }

.nav-badge {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  background: rgba(255,255,255,0.08);
  padding: 1px 7px;
  border-radius: 20px;
  color: var(--text-inverse);
}

.sidebar-footer {
  margin-top: auto;
  font-size: 11px;
  color: var(--text-muted);
  padding: 10px;
  font-family: var(--font-mono);
}

/* ---------- Main ---------- */
.main {
  padding: 28px 36px;
}

.page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 22px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin: 0;
}

.page-subtitle {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 4px;
}

.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  cursor: pointer;
  transition: filter 0.15s, transform 0.1s;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--text-main); border: 1px solid var(--border); }
.btn-ghost:hover { background: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 6px; }

/* ---------- Cards / KPIs ---------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-bottom: 26px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.kpi-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  margin-top: 6px;
}

.kpi-value.ok { color: var(--ok); }
.kpi-value.warn { color: var(--warn); }
.kpi-value.danger { color: var(--danger); }

/* ---------- Tarjeta "Clientes Online" dentro del grid de KPIs ---------- */
.kpi-card-online {
  background: linear-gradient(135deg, #14B89A, #0E9E85);
  border: none;
  display: flex;
  flex-direction: column;
}
.kpi-card-transacciones {
  background: linear-gradient(135deg, #4F9BFF, #2E6BFF);
  border: none;
  display: flex;
  flex-direction: column;
}
.kpi-card-online-pie {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255,255,255,0.3);
  margin-top: 12px;
  padding-top: 10px;
  font-size: 12px;
  color: rgba(255,255,255,0.9);
}

.kpi-card-danger { background: linear-gradient(135deg, #E5484D, #C13544); border: none; }
.kpi-card-warn { background: linear-gradient(135deg, #F5A623, #C6800A); border: none; }
.kpi-card-accent { background: linear-gradient(135deg, #2E6BFF, #1E4FCC); border: none; }

.kpi-card-danger .kpi-label,
.kpi-card-warn .kpi-label,
.kpi-card-accent .kpi-label {
  color: rgba(255,255,255,0.85);
}
.kpi-card-danger .kpi-value,
.kpi-card-warn .kpi-value,
.kpi-card-accent .kpi-value {
  color: #fff;
}

/* ---------- Table card ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
}

.card-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.card-toolbar h3 {
  font-family: var(--font-display);
  font-size: 15px;
  margin: 0;
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }

th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  background: #FAFBFC;
}

td {
  padding: 11px 18px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: #FAFBFC; }

.mono { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-main); }
.muted { color: var(--text-muted); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 20px;
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; }
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-ok::before { background: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-warn::before { background: var(--warn); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-danger::before { background: var(--danger); }

.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(11,18,32,0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
}
.modal-backdrop.open { display: flex; }

.modal {
  background: #fff;
  border-radius: 12px;
  width: 460px;
  max-width: 92vw;
  max-height: 86vh;
  overflow-y: auto;
  padding: 22px;
}

.modal h3 {
  font-family: var(--font-display);
  margin: 0 0 16px 0;
  font-size: 17px;
}

.field { margin-bottom: 12px; }
.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-family: var(--font-body);
  font-size: 13.5px;
  background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}

.toast {
  position: fixed;
  bottom: 22px;
  right: 22px;
  background: var(--text-main);
  color: #fff;
  padding: 11px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s;
  z-index: 100;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: var(--danger); }

.section { display: none; }
.section.active { display: block; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

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

/* ---------- Mobile: menú hamburguesa ---------- */
.btn-menu-movil {
  display: none;
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 60;
  background: var(--bg-sidebar);
  color: #fff;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.overlay-sidebar {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 45;
}
.overlay-sidebar.open { display: block; }

@media (max-width: 780px) {
  .btn-menu-movil { display: flex; }

  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 240px;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    overflow-y: auto;
  }
  .sidebar.open { transform: translateX(0); }

  .main { padding: 70px 16px 24px 16px; }

  .kpi-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .kpi-value { font-size: 22px; }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .page-header > div:nth-child(2),
  .page-header > div[style*="display:flex"] {
    width: 100%;
    flex-wrap: wrap;
  }

  /* botones de accion en el header a ancho completo y apilados si hace falta */
  .page-header .btn { width: 100%; text-align: center; }

  .field-row { grid-template-columns: 1fr; }

  .modal { width: 94vw; padding: 18px; }

  /* ---------- Tablas -> tarjetas apiladas ---------- */
  table.tabla-responsive thead { display: none; }
  table.tabla-responsive, table.tabla-responsive tbody, table.tabla-responsive tr, table.tabla-responsive td {
    display: block;
    width: 100%;
  }
  table.tabla-responsive tr {
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 10px;
    padding: 4px 0;
    background: #fff;
  }
  table.tabla-responsive td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-bottom: 1px solid #F1F2F5;
    text-align: right;
  }
  table.tabla-responsive td:last-child { border-bottom: none; }
  table.tabla-responsive td::before {
    content: attr(data-label);
    font-weight: 600;
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    text-align: left;
    flex-shrink: 0;
  }
  /* la celda de acciones (sin label) ocupa todo el ancho, botones en fila */
  table.tabla-responsive td[data-label=""] {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 6px;
  }
  table.tabla-responsive td[data-label=""]::before { content: none; }

  .card-toolbar { flex-direction: column; align-items: flex-start; gap: 8px; }
  .card-toolbar > * { width: 100%; }
}