/* =============================================================================
   CRM — Sistema de Diseño Dark Mode
   app.css · Versión 1.0
   Paleta: bg #0f172a · sidebar #111827 · accent #38bdf8 · text #e2e8f0
   ============================================================================= */

/* ── Reset y base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

:root {
  /* Backgrounds */
  --bg-primary:    #0f172a;
  --bg-secondary:  #1e293b;
  --bg-sidebar:    #111827;
  --bg-card:       #1a2437;
  --bg-input:      #0f1f33;
  --bg-hover:      #1e3351;

  /* Borders */
  --border-light:  #334155;
  --border-medium: #2d3f59;
  --border-dark:   #1e3351;
  --border-accent: #1e3a5f;

  /* Text */
  --text-primary:   #e2e8f0;
  --text-secondary: #cbd5e1;
  --text-muted:     #64748b;
  --text-subtle:    #475569;
  --text-accent:    #f1f5f9;

  /* Accents */
  --accent:        #38bdf8;
  --accent-hover:  #7dd3fc;
  --accent-dark:   #0284c7;
  --accent-darker: #0369a1;

  /* Status colors */
  --blue-bg:   #172554; --blue-text:   #93c5fd;
  --green-bg:  #14532d; --green-text:  #86efac;
  --yellow-bg: #451a03; --yellow-text: #fcd34d;
  --red-bg:    #450a0a; --red-text:    #fca5a5;
  --gray-bg:   #1e293b; --gray-text:   #64748b;
  --purple-bg: #2e1065; --purple-text: #c4b5fd;
  --orange-bg: #431407; --orange-text: #fdba74;

  /* Sidebar */
  --sb-w: 230px;
  --sb-c: 54px;
  --sb-t: .2s ease;
}

html { font-size: 14px; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  background: var(--bg-primary);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

h1, h2, h3, h4 { margin: 0 0 .75rem; font-weight: 600; color: var(--text-accent); }
h1 { font-size: 20px; }
h2 { font-size: 15px; }
h3 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px; color: var(--text-muted); }

p  { margin: 0 0 .75rem; }
hr { border: none; border-top: 1px solid var(--border-dark); margin: 1.25rem 0; }

/* ── Layout de la aplicación ─────────────────────────────────────────────── */
.app-layout { display: flex; min-height: 100vh; }

/* ── Sidebar ─────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sb-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-dark);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; height: 100vh;
  z-index: 200; overflow: hidden;
  transition: width var(--sb-t);
}
.sb-collapsed .sidebar { width: var(--sb-c); }

.sb-header {
  display: flex; align-items: center; gap: .75rem;
  padding: 1rem .875rem;
  border-bottom: 1px solid var(--border-dark);
  min-height: 57px; flex-shrink: 0;
}
.sb-logo-icon {
  width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0;
  background: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.sb-logo-text {
  font-size: 13px; font-weight: 800; color: var(--text-accent);
  white-space: nowrap; overflow: hidden; transition: opacity var(--sb-t);
}
.sb-collapsed .sb-logo-text { opacity: 0; width: 0; }

.sb-toggle {
  margin-left: auto; background: none; border: none; cursor: pointer;
  color: var(--text-muted); padding: 4px; border-radius: 4px; flex-shrink: 0;
  transition: color .15s; line-height: 1;
}
.sb-toggle:hover { color: var(--text-primary); }

/* En estado colapsado: ocultar logo y centrar solo el botón toggle */
.sb-collapsed .sb-logo-icon { display: none; }
.sb-collapsed .sb-header    { justify-content: center; padding: .875rem .5rem; }
.sb-collapsed .sb-toggle    { margin-left: 0; }

.sb-nav {
  flex: 1; overflow-y: auto; overflow-x: hidden; padding: .5rem 0;
  scrollbar-width: thin; scrollbar-color: var(--border-dark) transparent;
}

.sb-section-label {
  font-size: 10px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase;
  color: var(--text-subtle); padding: .875rem .875rem .25rem;
  white-space: nowrap; overflow: hidden;
  transition: opacity var(--sb-t);
}
.sb-collapsed .sb-section-label { opacity: 0; }

.nav-item {
  display: flex; align-items: center; gap: .625rem;
  padding: .5rem .875rem; color: var(--text-secondary);
  border-radius: 0; cursor: pointer; white-space: nowrap;
  transition: background .1s, color .1s;
  text-decoration: none;
}
.nav-item:hover  { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background: #1e3351; color: var(--accent); }

.nav-icon {
  width: 20px; height: 20px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.nav-label {
  font-size: 13px; font-weight: 500;
  overflow: hidden; transition: opacity var(--sb-t), width var(--sb-t);
}
.sb-collapsed .nav-label { opacity: 0; width: 0; }

.sb-footer {
  border-top: 1px solid var(--border-dark); padding: .75rem .875rem;
  display: flex; align-items: center; gap: .625rem; flex-shrink: 0;
}
.sb-avatar {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: #fff;
}
.sb-user-info { overflow: hidden; transition: opacity var(--sb-t); }
.sb-user-info .name { font-size: 12px; font-weight: 600; color: var(--text-accent); white-space: nowrap; }
.sb-user-info .role { font-size: 11px; color: var(--text-muted); white-space: nowrap; }
.sb-collapsed .sb-user-info { opacity: 0; width: 0; overflow: hidden; }

/* ── Main content ─────────────────────────────────────────────────────────── */
.main-wrap {
  flex: 1; margin-left: var(--sb-w); transition: margin-left var(--sb-t);
  min-height: 100vh; display: flex; flex-direction: column;
}
.sb-collapsed .main-wrap { margin-left: var(--sb-c); }

.topbar {
  height: 56px; background: var(--bg-sidebar); border-bottom: 1px solid var(--border-dark);
  display: flex; align-items: center; padding: 0 1.5rem; gap: 1rem;
  position: sticky; top: 0; z-index: 100; flex-shrink: 0;
}
.topbar-title { font-size: 15px; font-weight: 600; color: var(--text-accent); flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: .75rem; }

.container { padding: 1.5rem; flex: 1; }

/* ── Cards ────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-secondary); border: 1px solid var(--border-medium);
  border-radius: 10px; overflow: hidden;
}
.card-header {
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--border-dark);
  display: flex; align-items: center; gap: .75rem;
}
.card-title { font-size: 14px; font-weight: 600; color: var(--text-accent); margin: 0; }
.card-body  { padding: 1.25rem; }
.card-footer {
  padding: .875rem 1.25rem; border-top: 1px solid var(--border-dark);
  background: var(--bg-primary); display: flex; align-items: center; gap: .75rem;
}

/* Stats cards */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--bg-secondary); border: 1px solid var(--border-medium);
  border-radius: 10px; padding: 1.25rem;
}
.stat-card .stat-label { font-size: 11px; font-weight: 600; text-transform: uppercase;
                         letter-spacing: .5px; color: var(--text-muted); margin-bottom: .5rem; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: var(--text-accent); line-height: 1; }
.stat-card .stat-sub   { font-size: 12px; color: var(--text-muted); margin-top: .375rem; }

/* ── Tablas ───────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px;
  color: var(--text-muted); padding: .625rem 1rem;
  border-bottom: 1px solid var(--border-dark); text-align: left; white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--border-dark); transition: background .1s; }
tbody tr:hover { background: var(--bg-hover); }
tbody td { padding: .75rem 1rem; font-size: 13px; color: var(--text-secondary); vertical-align: middle; }
tbody td:first-child { color: var(--text-primary); font-weight: 500; }

/* ── Formularios ──────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.1rem; }
.form-label {
  display: block; font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .4px; color: var(--text-muted); margin-bottom: .375rem;
}
.form-control {
  display: block; width: 100%; padding: .5rem .75rem;
  background: var(--bg-input); border: 1px solid var(--border-light);
  border-radius: 6px; color: var(--text-primary); font-size: 13px;
  transition: border-color .15s, box-shadow .15s;
  outline: none;
}
.form-control:focus {
  border-color: var(--accent-dark);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, .15);
}
.form-control::placeholder { color: var(--text-subtle); }

textarea.form-control { resize: vertical; min-height: 80px; }

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .75rem center;
  padding-right: 2rem;
}
.form-hint { font-size: 11px; color: var(--text-muted); margin-top: .3rem; }
.form-row  { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row-3{ display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

/* ── Botones ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .475rem 1rem; border-radius: 6px; font-size: 13px; font-weight: 500;
  cursor: pointer; transition: background .15s, border-color .15s; border: 1px solid transparent;
  text-decoration: none; white-space: nowrap; line-height: 1.4;
}
.btn-primary   { background: var(--accent-dark);  border-color: var(--accent-darker); color: #fff; }
.btn-primary:hover   { background: var(--accent-darker); }
.btn-success   { background: #15803d; border-color: #166534; color: #fff; }
.btn-success:hover   { background: #166534; }
.btn-secondary { background: var(--bg-secondary); border-color: var(--border-light); color: var(--text-secondary); }
.btn-secondary:hover { background: var(--bg-hover); }
.btn-danger    { background: #991b1b; border-color: #7f1d1d; color: #fff; }
.btn-danger:hover    { background: #7f1d1d; }
.btn-warning   { background: #92400e; border-color: #78350f; color: #fde68a; }
.btn-sm  { padding: .3rem .7rem; font-size: 12px; }
.btn-xs  { padding: .2rem .5rem; font-size: 11px; }
.btn-icon { padding: .4rem; min-width: 32px; justify-content: center; }

/* ── Badges ───────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: .25rem;
  padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600;
  letter-spacing: .2px; white-space: nowrap;
}
.badge-blue   { background: var(--blue-bg);   color: var(--blue-text); }
.badge-green  { background: var(--green-bg);  color: var(--green-text); }
.badge-yellow { background: var(--yellow-bg); color: var(--yellow-text); }
.badge-red    { background: var(--red-bg);    color: var(--red-text); }
.badge-gray   { background: var(--gray-bg);   color: var(--gray-text); }
.badge-purple { background: var(--purple-bg); color: var(--purple-text); }
.badge-orange { background: var(--orange-bg); color: var(--orange-text); }

/* ── Alertas flash ────────────────────────────────────────────────────────── */
.alert {
  padding: .75rem 1rem; border-radius: 7px; font-size: 13px;
  margin-bottom: 1.25rem; display: flex; align-items: flex-start; gap: .625rem;
}
.alert-success { background: var(--green-bg);  border: 1px solid #166534; color: var(--green-text); }
.alert-error   { background: var(--red-bg);    border: 1px solid #7f1d1d; color: var(--red-text); }
.alert-warning { background: var(--yellow-bg); border: 1px solid #78350f; color: var(--yellow-text); }
.alert-info    { background: var(--blue-bg);   border: 1px solid #1e40af; color: var(--blue-text); }

/* ── Paginación ───────────────────────────────────────────────────────────── */
.pagination { display: flex; gap: .375rem; align-items: center; flex-wrap: wrap; }
.pagination a, .pagination span {
  padding: .3rem .65rem; border-radius: 5px; font-size: 12px; font-weight: 500;
  border: 1px solid var(--border-light); color: var(--text-secondary);
  text-decoration: none; transition: background .1s;
}
.pagination a:hover    { background: var(--bg-hover); }
.pagination .current   { background: var(--accent-dark); border-color: var(--accent-darker); color: #fff; }
.pagination .disabled  { opacity: .35; pointer-events: none; }

/* ── Utilidades ───────────────────────────────────────────────────────────── */
.text-muted   { color: var(--text-muted); }
.text-sm      { font-size: 12px; }
.text-xs      { font-size: 11px; }
.text-right   { text-align: right; }
.text-center  { text-align: center; }
.d-flex       { display: flex; }
.align-center { align-items: center; }
.gap-1 { gap: .375rem; }
.gap-2 { gap: .75rem; }
.gap-3 { gap: 1rem; }
.ms-auto { margin-left: auto; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.empty-state {
  text-align: center; padding: 3rem 1rem; color: var(--text-muted); font-size: 13px;
}
.empty-state .empty-icon { font-size: 40px; margin-bottom: .75rem; opacity: .4; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform var(--sb-t); }
  .sidebar.open { transform: translateX(0); }
  .main-wrap { margin-left: 0 !important; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .container { padding: 1rem; }
}