/* ============================================================
   B-CONTROL ACCESS — Sistema de diseño
   Inspiración: Amazon · Minimalismo funcional
   ============================================================ */

:root {
  /* Paleta principal */
  --bca-navy:        #0F1B2D;   /* Fondo oscuro principal */
  --bca-navy-2:      #1A2740;   /* Hover/elevación */
  --bca-orange:      #FF9900;   /* Acento Amazon */
  --bca-orange-dark: #E68A00;
  --bca-orange-soft: #FFF4E0;

  /* Neutrales */
  --bca-white:    #FFFFFF;
  --bca-bg:       #F7F8FA;
  --bca-surface:  #FFFFFF;
  --bca-border:   #E4E7EB;
  --bca-border-2: #D1D5DB;

  /* Texto */
  --bca-text:        #0F172A;
  --bca-text-2:      #475569;
  --bca-text-mute:   #94A3B8;
  --bca-text-invert: #FFFFFF;

  /* Estado */
  --bca-success: #16A34A;
  --bca-warning: #F59E0B;
  --bca-danger:  #DC2626;
  --bca-info:    #0EA5E9;

  /* Sombras */
  --bca-shadow-sm: 0 1px 2px rgba(15,23,42,.05);
  --bca-shadow:    0 4px 12px rgba(15,23,42,.06);
  --bca-shadow-lg: 0 12px 32px rgba(15,23,42,.10);

  /* Radios */
  --bca-r-sm: 6px;
  --bca-r:    10px;
  --bca-r-lg: 16px;
  --bca-r-xl: 22px;

  /* Espaciado base */
  --bca-sidebar-w: 248px;
  --bca-topbar-h:  64px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.55;
  color: var(--bca-text);
  background: var(--bca-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1,h2,h3,h4,h5,h6 {
  font-family: 'Outfit', system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--bca-text);
}
h1 { font-size: 28px; }
h2 { font-size: 22px; }
h3 { font-size: 18px; }
a  { color: var(--bca-text); text-decoration: none; }
img { max-width: 100%; display: block; }

/* ===== Layout principal ===== */
.app-shell {
  display: grid;
  grid-template-columns: var(--bca-sidebar-w) 1fr;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  background: var(--bca-navy);
  color: var(--bca-text-invert);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 22px 18px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.sidebar__brand-mark {
  width: 36px; height: 36px;
  border-radius: 9px;
  background: var(--bca-orange);
  display: grid; place-items: center;
  color: var(--bca-navy);
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -.04em;
}
.sidebar__brand-name  {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -.01em;
}
.sidebar__brand-sub {
  font-size: 11px;
  color: rgba(255,255,255,.55);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.sidebar__section-title {
  padding: 18px 22px 8px;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  font-weight: 600;
}
.sidebar__nav { padding: 6px 12px; }
.sidebar__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  color: rgba(255,255,255,.78);
  font-size: 14px;
  font-weight: 500;
  margin: 2px 0;
  transition: background .15s, color .15s;
}
.sidebar__link:hover {
  background: rgba(255,255,255,.06);
  color: var(--bca-white);
}
.sidebar__link.is-active {
  background: var(--bca-orange);
  color: var(--bca-navy);
  font-weight: 600;
}
.sidebar__link svg { width: 18px; height: 18px; flex-shrink: 0; }
.sidebar__user {
  margin-top: auto;
  padding: 16px 18px;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex; align-items: center; gap: 12px;
}
.sidebar__avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--bca-orange), #FFB84D);
  color: var(--bca-navy);
  display: grid; place-items: center;
  font-weight: 700;
}
.sidebar__user-name { font-size: 13px; font-weight: 600; }
.sidebar__user-rol  { font-size: 11px; color: rgba(255,255,255,.55); text-transform: uppercase; letter-spacing: .08em; }

/* ===== Main ===== */
.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.topbar {
  height: var(--bca-topbar-h);
  background: var(--bca-white);
  border-bottom: 1px solid var(--bca-border);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar__title {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 18px;
}
.topbar__actions { display: flex; gap: 10px; align-items: center; }

.content { padding: 28px; max-width: 1400px; width: 100%; }
.content--narrow { max-width: 980px; }

/* ===== Page header ===== */
.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 18px; margin-bottom: 22px; flex-wrap: wrap;
}
.page-head__title { font-size: 26px; }
.page-head__sub   { color: var(--bca-text-2); font-size: 14px; margin-top: 4px; }

/* ===== Botones ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px;
  border-radius: var(--bca-r-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .05s, background .15s, border-color .15s, color .15s, box-shadow .15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 16px; height: 16px; }

.btn--primary {
  background: var(--bca-orange);
  color: var(--bca-navy);
  border-color: var(--bca-orange-dark);
  box-shadow: 0 1px 0 rgba(0,0,0,.05), inset 0 1px 0 rgba(255,255,255,.4);
}
.btn--primary:hover { background: var(--bca-orange-dark); }

.btn--dark {
  background: var(--bca-navy);
  color: var(--bca-white);
  border-color: var(--bca-navy);
}
.btn--dark:hover { background: var(--bca-navy-2); }

.btn--ghost {
  background: var(--bca-white);
  color: var(--bca-text);
  border-color: var(--bca-border-2);
}
.btn--ghost:hover { background: var(--bca-bg); border-color: var(--bca-text-2); }

.btn--danger {
  background: var(--bca-white);
  color: var(--bca-danger);
  border-color: #FCA5A5;
}
.btn--danger:hover { background: #FEF2F2; }

.btn--lg { padding: 14px 26px; font-size: 15px; }
.btn--sm { padding: 6px 12px;  font-size: 13px; }
.btn--block { width: 100%; }

/* ===== Cards ===== */
.card {
  background: var(--bca-surface);
  border: 1px solid var(--bca-border);
  border-radius: var(--bca-r);
  box-shadow: var(--bca-shadow-sm);
}
.card__head {
  padding: 18px 22px;
  border-bottom: 1px solid var(--bca-border);
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; flex-wrap: wrap;
}
.card__title { font-family: 'Outfit', sans-serif; font-size: 16px; font-weight: 600; }
.card__body { padding: 22px; }
.card__foot {
  padding: 14px 22px;
  border-top: 1px solid var(--bca-border);
  background: var(--bca-bg);
  border-bottom-left-radius: var(--bca-r);
  border-bottom-right-radius: var(--bca-r);
  display: flex; gap: 10px; justify-content: flex-end;
}

/* ===== Stat cards ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.stat {
  background: var(--bca-white);
  border: 1px solid var(--bca-border);
  border-radius: var(--bca-r);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
}
.stat__label {
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--bca-text-mute);
  font-weight: 600;
}
.stat__value {
  font-family: 'Outfit', sans-serif;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-top: 6px;
  color: var(--bca-text);
}
.stat__hint { font-size: 12px; color: var(--bca-text-2); margin-top: 4px; }
.stat__icon {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px;
  border-radius: 9px;
  background: var(--bca-orange-soft);
  color: var(--bca-orange-dark);
  display: grid; place-items: center;
}
.stat__icon svg { width: 18px; height: 18px; }

/* ===== Form ===== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 18px;
}
.form-grid--3 { grid-template-columns: repeat(3, 1fr); }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row--full { grid-column: 1 / -1; }
.form-section-title {
  grid-column: 1 / -1;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--bca-text-mute);
  margin-top: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--bca-border);
}
.form-section-title:first-child { margin-top: 0; }

.label {
  font-size: 13px;
  font-weight: 600;
  color: var(--bca-text);
}
.label .req { color: var(--bca-danger); margin-left: 2px; }
.input, .select, .textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bca-white);
  border: 1px solid var(--bca-border-2);
  border-radius: var(--bca-r-sm);
  font-family: inherit;
  font-size: 14px;
  color: var(--bca-text);
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--bca-orange);
  box-shadow: 0 0 0 3px var(--bca-orange-soft);
}
.textarea { min-height: 90px; resize: vertical; font-family: inherit; }
.help { font-size: 12px; color: var(--bca-text-2); }

.file-drop {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  background: var(--bca-bg);
  border: 1px dashed var(--bca-border-2);
  border-radius: var(--bca-r-sm);
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.file-drop:hover { background: var(--bca-orange-soft); border-color: var(--bca-orange); }
.file-drop input[type=file] { display: none; }
.file-drop__icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--bca-white);
  display: grid; place-items: center;
  color: var(--bca-text-2);
  border: 1px solid var(--bca-border);
}
.file-drop__txt   { font-size: 13px; font-weight: 500; }
.file-drop__hint  { font-size: 11px; color: var(--bca-text-mute); }

/* ===== Tabla ===== */
.table-wrap {
  background: var(--bca-white);
  border: 1px solid var(--bca-border);
  border-radius: var(--bca-r);
  overflow: hidden;
}
.table-tools {
  display: flex; gap: 12px; padding: 14px 16px;
  border-bottom: 1px solid var(--bca-border);
  background: var(--bca-white);
  flex-wrap: wrap;
}
.table-tools .input { max-width: 320px; }
table.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.table th {
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--bca-text-mute);
  padding: 12px 16px;
  background: var(--bca-bg);
  border-bottom: 1px solid var(--bca-border);
}
.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--bca-border);
  vertical-align: middle;
}
.table tr:last-child td { border-bottom: 0; }
.table tbody tr { transition: background .12s; }
.table tbody tr:hover { background: #FAFBFC; }
.table .muted { color: var(--bca-text-2); }

/* ===== Badge / chip ===== */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .02em;
  background: var(--bca-bg);
  color: var(--bca-text-2);
  border: 1px solid var(--bca-border);
}
.badge--success { background: #DCFCE7; color: #15803D; border-color: #BBF7D0; }
.badge--danger  { background: #FEE2E2; color: #B91C1C; border-color: #FECACA; }
.badge--warning { background: #FEF3C7; color: #B45309; border-color: #FDE68A; }
.badge--info    { background: #E0F2FE; color: #0369A1; border-color: #BAE6FD; }
.badge--orange  { background: var(--bca-orange-soft); color: var(--bca-orange-dark); border-color: #FED7AA; }

.dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; flex-shrink: 0; }

/* ===== Avatar ===== */
.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bca-navy), var(--bca-navy-2));
  color: #fff;
  display: grid; place-items: center;
  font-weight: 600;
  font-size: 13px;
  overflow: hidden;
  flex-shrink: 0;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar--lg { width: 56px; height: 56px; font-size: 18px; }
.avatar--xl { width: 96px; height: 96px; font-size: 28px; }

.user-cell { display: flex; align-items: center; gap: 12px; }
.user-cell__name { font-weight: 600; }
.user-cell__sub  { font-size: 12px; color: var(--bca-text-2); }

/* ===== Alertas / banners ===== */
.alert {
  padding: 12px 16px;
  border-radius: var(--bca-r-sm);
  border: 1px solid var(--bca-border);
  background: var(--bca-white);
  font-size: 13.5px;
  display: flex; gap: 10px; align-items: flex-start;
  margin-bottom: 16px;
}
.alert--success { background: #F0FDF4; border-color: #BBF7D0; color: #166534; }
.alert--danger  { background: #FEF2F2; border-color: #FECACA; color: #991B1B; }
.alert--warning { background: #FFFBEB; border-color: #FDE68A; color: #92400E; }
.alert--info    { background: #F0F9FF; border-color: #BAE6FD; color: #075985; }

/* ===== Empty state ===== */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--bca-text-2);
}
.empty__icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--bca-bg);
  margin: 0 auto 16px;
  display: grid; place-items: center;
  color: var(--bca-text-mute);
}
.empty h3 { color: var(--bca-text); margin-bottom: 6px; }

/* ===== Utilidades ===== */
.flex          { display: flex; }
.flex--gap     { gap: 12px; }
.flex--between { justify-content: space-between; align-items: center; }
.flex--center  { justify-content: center; align-items: center; }
.flex--col     { flex-direction: column; }
.mt-0 { margin-top: 0;  }  .mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.text-mute { color: var(--bca-text-mute); }
.text-sm   { font-size: 12px; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; left: -100%; top: 0; width: 80%; max-width: 320px;
    z-index: 50; transition: left .25s;
  }
  .sidebar.is-open { left: 0; }
  .form-grid, .form-grid--3 { grid-template-columns: 1fr; }
  .content { padding: 18px; }
  .topbar  { padding: 0 16px; }
}

/* ===== Loader ===== */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(0,0,0,.1);
  border-top-color: var(--bca-orange);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Print ===== */
@media print {
  .sidebar, .topbar, .no-print { display: none !important; }
  .app-shell { grid-template-columns: 1fr; }
  body { background: #fff; }
}