/* BCG-CRM-ERP — Diseño siguiendo INSTRUCCIONES_COMPLETAS.md */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Paleta BCG — spec exacto */
  --azul-principal:  #2B5597;
  --azul-oscuro:     #1E3A8A;
  --sidebar-bg:      #2D2D3F;
  --verde-exito:     #10B981;
  --naranja-alerta:  #F59E0B;
  --rojo-rechazo:    #EF4444;
  --azul-info:       #3B82F6;

  /* Neutros */
  --gris-fondo:      #F9FAFB;
  --gris-card:       #FFFFFF;
  --gris-borde:      #E5E7EB;
  --gris-texto:      #6B7280;
  --negro-texto:     #111827;

  /* Gradiente login */
  --gradiente-login: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);

  /* Aliases internos */
  --bg:           var(--gris-fondo);
  --surface:      var(--gris-card);
  --border:       var(--gris-borde);
  --text:         var(--negro-texto);
  --text-2:       #374151;
  --muted:        var(--gris-texto);
  --muted-light:  #9CA3AF;
  --accent:       var(--azul-principal);
  --accent-hover: #1E4080;
  --success:      var(--verde-exito);
  --warning:      var(--naranja-alerta);
  --danger:       var(--rojo-rechazo);
  --info:         var(--azul-info);

  /* Nav */
  --nav-hover:    rgba(255,255,255,.06);
  --nav-active:   rgba(43,85,151,.35);
  --nav-accent:   var(--azul-info);
  --nav-text:     #A0A8BB;
  --nav-text-act: #FFFFFF;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow:     0 4px 12px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.05);
  --shadow-lg:  0 10px 30px rgba(0,0,0,.12);
  --radius:     8px;
  --radius-lg:  12px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 13.5px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Login ─────────────────────────────────────────────────── */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--gradiente-login);
  padding: 20px;
}

.login-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.login-logo-box {
  width: 44px;
  height: 44px;
  background: var(--azul-principal);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -1px;
}

.login-logo-text h2 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.3px;
}

.login-logo-text span {
  font-size: 11px;
  color: var(--muted);
}

.login-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: -.3px;
}

.login-sub {
  color: var(--muted);
  margin-bottom: 28px;
  font-size: 13px;
}

/* ── App shell ─────────────────────────────────────────────── */
#app-screen {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Header ────────────────────────────────────────────────── */
#app-header {
  height: 60px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
  flex-shrink: 0;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 220px;
  flex-shrink: 0;
  text-decoration: none;
}

.header-logo-box {
  width: 32px;
  height: 32px;
  background: var(--azul-principal);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -1px;
  flex-shrink: 0;
}

.header-logo-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.2px;
}

.header-search {
  flex: 1;
  max-width: 400px;
  position: relative;
}

.header-search input {
  width: 100%;
  background: var(--gris-fondo);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 7px 16px 7px 36px;
  font-size: 13px;
  outline: none;
  color: var(--text);
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}

.header-search input:focus {
  border-color: var(--azul-principal);
  box-shadow: 0 0 0 3px rgba(43,85,151,.1);
  background: #fff;
}

.header-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 14px;
  pointer-events: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.header-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--muted);
  transition: all .15s;
  position: relative;
}

.header-icon-btn:hover {
  border-color: var(--azul-principal);
  color: var(--azul-principal);
  background: #f0f4fb;
}

.notif-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 7px;
  height: 7px;
  background: var(--rojo-rechazo);
  border-radius: 50%;
  border: 1.5px solid #fff;
  display: none;
}

.notif-dot.active { display: block; }

.header-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 10px 5px 5px;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: #fff;
  transition: all .15s;
}

.header-user:hover {
  border-color: var(--azul-principal);
  background: #f0f4fb;
}

.user-avatar {
  width: 28px;
  height: 28px;
  background: var(--azul-principal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}

.user-info { line-height: 1.2; }

.user-name {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
}

.user-role {
  font-size: 10.5px;
  color: var(--muted);
  text-transform: capitalize;
}

/* ── Body bajo el header ────────────────────────────────────── */
#app-body {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* ── Sidebar ────────────────────────────────────────────────── */
#app-sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  padding: 16px 0;
  flex-shrink: 0;
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(160,168,187,.45);
  padding: 12px 20px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  cursor: pointer;
  color: var(--nav-text);
  border-left: 3px solid transparent;
  transition: all .15s;
  font-size: 13px;
  font-weight: 500;
  margin: 1px 8px;
  border-radius: 8px;
}

.nav-item:hover {
  background: var(--nav-hover);
  color: #fff;
}

.nav-item.active {
  background: var(--nav-active);
  color: var(--nav-text-act);
  border-left: 3px solid var(--azul-info);
}

.nav-item .nav-icon {
  font-size: 15px;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

.nav-footer {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,.07);
}

/* ── Main content ───────────────────────────────────────────── */
#app-main {
  flex: 1;
  padding: 0;
  overflow-y: auto;
  min-width: 0;
}

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

/* ── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  background: #fff;
  font-size: 12.5px;
  color: var(--muted);
}

.breadcrumb span { color: var(--muted-light); }
.breadcrumb strong { color: var(--text); font-weight: 600; }

/* ── Section header ─────────────────────────────────────────── */
.section-content { padding: 24px 28px; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-header h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.3px;
}

/* ── Section Tabs ───────────────────────────────────────────── */
.section-tabs {
  display: flex;
  gap: 2px;
  padding: 0 28px;
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.section-tab {
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all .15s;
  white-space: nowrap;
}

.section-tab:hover { color: var(--azul-principal); }

.section-tab.active {
  color: var(--azul-principal);
  border-bottom-color: var(--azul-principal);
  font-weight: 600;
}

/* ── Metric Cards ───────────────────────────────────────────── */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.metric-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  position: relative;
  overflow: hidden;
}

.metric-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}

.metric-card.metric-blue::after   { background: var(--azul-principal); }
.metric-card.metric-green::after  { background: var(--verde-exito); }
.metric-card.metric-orange::after { background: var(--naranja-alerta); }
.metric-card.metric-red::after    { background: var(--rojo-rechazo); }
.metric-card.metric-info::after   { background: var(--azul-info); }

.metric-icon {
  font-size: 22px;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.metric-blue   .metric-icon { background: #EBF1FB; }
.metric-green  .metric-icon { background: #D1FAE5; }
.metric-orange .metric-icon { background: #FEF3C7; }
.metric-red    .metric-icon { background: #FEE2E2; }
.metric-info   .metric-icon { background: #DBEAFE; }

.metric-content { flex: 1; min-width: 0; }

.metric-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 4px;
}

.metric-blue   .metric-value { color: var(--azul-principal); }
.metric-green  .metric-value { color: var(--verde-exito); }
.metric-orange .metric-value { color: var(--naranja-alerta); }
.metric-red    .metric-value { color: var(--rojo-rechazo); }
.metric-info   .metric-value { color: var(--azul-info); }

.metric-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 6px;
}

.metric-trend {
  font-size: 11.5px;
  color: var(--muted-light);
}

.metric-trend.up   { color: var(--verde-exito); }
.metric-trend.down { color: var(--rojo-rechazo); }

/* ── Alertas panel ──────────────────────────────────────────── */
#home-alertas {
  display: none;
  margin-bottom: 20px;
}

.alertas-box {
  background: #FFFBEB;
  border: 1px solid var(--naranja-alerta);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 13px;
  color: #92400E;
}

.alertas-box strong { display: block; margin-bottom: 6px; }
.alertas-box ul { margin: 0; padding-left: 18px; }
.alertas-box li { margin-bottom: 3px; }

/* ── Cards / Table wrap ─────────────────────────────────────── */
.table-wrap {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 13px;
  color: var(--text-2);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.table-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: #fff;
  flex-wrap: wrap;
}

table { width: 100%; border-collapse: collapse; }
thead { background: var(--gris-fondo); }

th {
  padding: 10px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .6px;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 12px 16px;
  border-top: 1px solid #F3F4F6;
  font-size: 13px;
  color: var(--text-2);
}

tr:hover td { background: #FAFBFC; }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .2px;
}

.badge-borrador     { background: #F3F4F6; color: #6B7280; }
.badge-enviado      { background: #DBEAFE; color: #1D4ED8; }
.badge-revision     { background: #FEF3C7; color: #92400E; }
.badge-aceptado     { background: #D1FAE5; color: #065F46; }
.badge-rechazado    { background: #FEE2E2; color: #991B1B; }
.badge-entregado    { background: #DCFCE7; color: #166534; }
.badge-cobrado      { background: #ECFDF5; color: #047857; }
.badge-vencido      { background: #FFF7ED; color: #C2410C; }
.badge-recibido     { background: #DBEAFE; color: #1D4ED8; }
.badge-en_reparacion { background: #FEF3C7; color: #92400E; }
.badge-resuelto     { background: #D1FAE5; color: #065F46; }
.badge-critico      { background: #FEE2E2; color: #991B1B; }
.badge-bajo         { background: #FEF3C7; color: #92400E; }
.badge-ok           { background: #D1FAE5; color: #065F46; }

/* ── Forms ──────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 6px;
}

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], select, textarea {
  width: 100%;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 9px 12px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--azul-principal);
  box-shadow: 0 0 0 3px rgba(43,85,151,.1);
}

input::placeholder, textarea::placeholder { color: var(--muted-light); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all .15s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--azul-principal);
  color: #fff;
  box-shadow: 0 1px 2px rgba(43,85,151,.3);
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: #fff;
  color: var(--text-2);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--azul-principal);
  color: var(--azul-principal);
  background: #F0F4FB;
}

.btn-danger {
  background: #FEF2F2;
  color: var(--rojo-rechazo);
  border: 1px solid #FECACA;
}

.btn-danger:hover { background: #FEE2E2; }

.btn-sm  { padding: 5px 11px; font-size: 12px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* ── Modal ───────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.45);
  backdrop-filter: blur(2px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open { display: flex; }

.modal {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 15px; font-weight: 600; color: var(--text); }

.modal-body  { padding: 20px 24px; }

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  background: var(--gris-fondo);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ── Ficha stats ─────────────────────────────────────────────── */
.stat-card {
  background: var(--gris-fondo);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
}

.stat-val { font-size: 20px; font-weight: 700; color: var(--azul-principal); }
.stat-label { font-size: 11px; color: var(--muted); margin-top: 2px; }

/* ── Autocomplete dropdown ───────────────────────────────────── */
.prod-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: 220px;
  overflow-y: auto;
  z-index: 200;
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
  margin-top: 2px;
}

.prod-opt {
  padding: 9px 12px;
  cursor: pointer;
  font-size: 13px;
  border-bottom: 1px solid #F3F4F6;
  transition: background .1s;
}

.prod-opt:hover, .prod-opt.focused { background: #F0F4FB; }
.prod-opt:last-child { border-bottom: none; }

.prod-opt-code { font-weight: 600; color: var(--text); }
.prod-opt-name { color: var(--muted); font-size: 12px; }
.prod-opt-price { color: var(--verde-exito); font-size: 12px; font-weight: 600; float: right; }

/* ── Items presupuesto ───────────────────────────────────────── */
.items-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }

.item-row {
  display: flex;
  gap: 6px;
  align-items: center;
  position: relative;
}

.item-row input { margin: 0; }

/* ── Toast ───────────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 18px;
  font-size: 13px;
  z-index: 999;
  display: none;
  max-width: 340px;
  box-shadow: var(--shadow-lg);
  font-weight: 500;
}

#toast.show { display: block; }
#toast.ok   { border-left: 3px solid var(--verde-exito); }
#toast.err  { border-left: 3px solid var(--rojo-rechazo); }

/* ── Misc ────────────────────────────────────────────────────── */
.empty   { color: var(--muted); font-size: 13px; padding: 40px; text-align: center; }
.loading { color: var(--muted); font-size: 13px; padding: 24px; text-align: center; }
.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.text-muted  { color: var(--muted); }
.text-right  { text-align: right; }
.flex        { display: flex; align-items: center; gap: 10px; }
.ml-auto     { margin-left: auto; }
.w-full      { width: 100%; }
.table-clickable tbody tr { cursor: pointer; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  #app-sidebar { width: 56px; padding: 8px 0; }
  .nav-section-label, .nav-item span { display: none; }
  .nav-item { justify-content: center; padding: 12px 0; margin: 2px 4px; }
  .header-search { display: none; }
  .section-content { padding: 16px; }
  .breadcrumb { padding: 10px 16px; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
}