/* ============================================================
   SGC ISO 9001 — Estilo inspirado en ISOLUCIÓN
   ============================================================ */

:root {
  --sidebar-w: 250px;
  --sidebar-bg: #1a2e4a;
  --sidebar-header-bg: #152439;
  --sidebar-hover: #1e3a5f;
  --sidebar-active: #2563eb;
  --sidebar-text: #94b3cc;
  --topbar-h: 60px;
  --primary: #0054a6;
  --primary-hover: #003d7a;
  --success: #2fb344;
  --danger: #d63939;
  --warning: #f59e0b;
  --info: #0ea5e9;
  --content-bg: #f0f4f8;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --radius: 8px;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--content-bg);
  color: var(--text);
  font-size: 14px;
}

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

/* ── SIDEBAR ─────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-header {
  height: var(--topbar-h);
  background: var(--sidebar-header-bg);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 10px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  flex-shrink: 0;
}

.sidebar-logo {
  width: 34px; height: 34px;
  background: var(--primary);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 13px;
  flex-shrink: 0;
  letter-spacing: -0.5px;
}

.sidebar-brand { color: #fff; font-weight: 700; font-size: 13px; line-height: 1.3; }
.sidebar-brand small {
  display: block; font-weight: 400; font-size: 10.5px;
  color: var(--sidebar-text); text-transform: uppercase; letter-spacing: 0.06em;
}

.sidebar-nav { flex: 1; padding: 8px 0; }

.nav-section {
  padding: 16px 16px 4px;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: #4a6a8a;
}

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  color: var(--sidebar-text);
  transition: all 0.15s;
  font-size: 13.5px;
}

.nav-item:hover { background: var(--sidebar-hover); color: #fff; }
.nav-item.active { background: var(--sidebar-active); color: #fff; }
.nav-item i { width: 18px; text-align: center; font-size: 15px; flex-shrink: 0; }

.badge-nav {
  margin-left: auto;
  background: rgba(255,255,255,.15);
  color: var(--sidebar-text);
  font-size: 9px; padding: 2px 7px;
  border-radius: 10px; font-weight: 600; letter-spacing: 0.03em;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,.06);
  font-size: 11px; color: #3a5a7a;
}

/* ── TOPBAR ──────────────────────────────────────────────── */
.topbar {
  position: fixed; top: 0;
  left: var(--sidebar-w); right: 0;
  height: var(--topbar-h);
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 24px; z-index: 99; gap: 16px;
}

.topbar-title { font-size: 15px; font-weight: 600; color: var(--text); flex: 1; }

.topbar-right { display: flex; align-items: center; gap: 10px; }

.topbar-user {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; border-radius: 6px;
  transition: background 0.15s;
}
.topbar-user:hover { background: var(--content-bg); }

.avatar {
  width: 32px; height: 32px;
  background: var(--primary); border-radius: 50%;
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; flex-shrink: 0;
}

.topbar-user-name { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.2; }
.topbar-user-role { font-size: 11px; color: var(--text-muted); }

.btn-logout {
  background: none; border: 1px solid var(--border);
  padding: 5px 12px; border-radius: 6px;
  cursor: pointer; font-size: 12px; color: var(--text-muted);
  transition: all 0.15s; font-family: inherit;
  display: flex; align-items: center; gap: 5px;
}
.btn-logout:hover { background: #fee2e2; color: var(--danger); border-color: #fca5a5; }

/* ── MAIN CONTENT ────────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  margin-top: var(--topbar-h);
  padding: 24px;
  min-height: calc(100vh - var(--topbar-h));
}

/* ── CARDS ───────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.card-title { font-size: 14px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 8px; }
.card-body { padding: 20px; }

/* ── STAT CARDS ──────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
  gap: 16px; margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  padding: 16px 18px;
  display: flex; align-items: center; gap: 14px;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.stat-card.success { border-left-color: var(--success); }
.stat-card.danger  { border-left-color: var(--danger); }
.stat-card.warning { border-left-color: var(--warning); }
.stat-card.info    { border-left-color: var(--info); }

.stat-icon {
  width: 42px; height: 42px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px;
  background: rgba(0,84,166,.1); color: var(--primary);
}
.stat-card.success .stat-icon { background: rgba(47,179,68,.1);  color: var(--success); }
.stat-card.danger  .stat-icon { background: rgba(214,57,57,.1);  color: var(--danger); }
.stat-card.warning .stat-icon { background: rgba(245,158,11,.1); color: var(--warning); }
.stat-card.info    .stat-icon { background: rgba(14,165,233,.1); color: var(--info); }

.stat-value { font-size: 26px; font-weight: 700; color: var(--text); line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ── TABLES ──────────────────────────────────────────────── */
.table-wrap {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}

table { width: 100%; border-collapse: collapse; }

thead th {
  padding: 10px 16px;
  text-align: left;
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-muted);
  background: #f8fafc;
  border-bottom: 1px solid var(--border);
}

tbody tr:hover { background: #f8fafc; }
tbody td { padding: 11px 16px; border-bottom: 1px solid var(--border); font-size: 13.5px; }
tbody tr:last-child td { border-bottom: none; }

/* ── BADGES ──────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 12px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.02em;
}

.badge-vigente,    .badge-cerrada,
.badge-aprobado                       { background: #dcfce7; color: #166534; }
.badge-obsoleto,   .badge-cancelada   { background: #fee2e2; color: #991b1b; }
.badge-en-revision,.badge-en-proceso  { background: #fef3c7; color: #92400e; }
.badge-borrador                       { background: #f1f5f9; color: #475569; }
.badge-abierta                        { background: #fee2e2; color: #991b1b; }
.badge-verificacion                   { background: #dbeafe; color: #1e40af; }

.badge-admin    { background: #ede9fe; color: #5b21b6; }
.badge-auditor  { background: #dbeafe; color: #1e40af; }
.badge-usuario  { background: #dcfce7; color: #166534; }
.badge-readonly { background: #f1f5f9; color: #64748b; }

/* ── FORMS ───────────────────────────────────────────────── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-grid.cols-1 { grid-template-columns: 1fr; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1 / -1; }

label { font-size: 12px; font-weight: 600; color: var(--text); }

input[type=text], input[type=email], input[type=password],
input[type=date], input[type=url], select, textarea {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13.5px; color: var(--text);
  background: #fff; transition: border-color 0.15s;
  font-family: inherit; width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,84,166,.1);
}
textarea { resize: vertical; min-height: 85px; }
select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%2364748b' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 32px; }

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 6px;
  font-size: 13.5px; font-weight: 500;
  cursor: pointer; border: none;
  transition: all 0.15s; font-family: inherit;
  text-decoration: none;
}
.btn-primary   { background: var(--primary); color: #fff; }
.btn-primary:hover   { background: var(--primary-hover); color: #fff; }
.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--content-bg); }
.btn-danger    { background: var(--danger); color: #fff; }
.btn-danger:hover    { background: #b91c1c; color: #fff; }
.btn-success   { background: var(--success); color: #fff; }
.btn-sm        { padding: 4px 10px; font-size: 12px; }

/* ── ALERTS ──────────────────────────────────────────────── */
.alert {
  padding: 10px 16px; border-radius: 6px;
  font-size: 13.5px; margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.alert-error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #86efac; }
.alert-info    { background: #dbeafe; color: #1e40af; border: 1px solid #93c5fd; }

/* ── PAGE HEADER ─────────────────────────────────────────── */
.page-header {
  display: flex; align-items: flex-start;
  justify-content: space-between; margin-bottom: 20px; gap: 12px;
}
.page-header h1 { font-size: 20px; font-weight: 700; color: var(--text); }
.page-header p  { font-size: 13px; color: var(--text-muted); margin-top: 3px; }

/* ── FILTER BAR ──────────────────────────────────────────── */
.filter-bar {
  background: var(--card-bg);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 16px; margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.filter-bar input, .filter-bar select { width: auto; min-width: 150px; }

/* ── DETAIL GRID ─────────────────────────────────────────── */
.detail-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.detail-item { display: flex; flex-direction: column; gap: 3px; }
.detail-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); }
.detail-value { font-size: 14px; color: var(--text); }
.detail-item.full { grid-column: 1 / -1; }

/* ── DASHBOARD GRID ──────────────────────────────────────── */
.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ── EMPTY STATE ─────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 48px 24px; color: var(--text-muted);
}
.empty-state i { font-size: 40px; opacity: 0.25; display: block; margin-bottom: 10px; }
.empty-state p { font-size: 14px; }

/* ── UTILS ───────────────────────────────────────────────── */
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 12px; }
.fw-600 { font-weight: 600; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.w-100 { width: 100%; }

/* ── LOGIN PAGE ──────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  background: linear-gradient(145deg, #1a2e4a 0%, #0054a6 100%);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}

.login-card {
  background: #fff; border-radius: 12px; padding: 40px;
  width: 100%; max-width: 400px;
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
}

.login-logo { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.login-logo-icon {
  width: 46px; height: 46px; background: var(--primary);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 16px; letter-spacing: -0.5px;
}
.login-title { font-size: 18px; font-weight: 700; color: var(--text); }
.login-subtitle { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.login-form .form-group { margin-bottom: 14px; }

/* ── WATERMARK ───────────────────────────────────────────── */
.watermark {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(-35deg);
  font-size: 64px; font-weight: 900;
  color: rgba(0,0,0,.04); pointer-events: none;
  z-index: 9999; white-space: nowrap;
  user-select: none;
}

/* ── NAV SUB-ITEM ─────────────────────────────────────────── */
.nav-item-sub {
  padding-left: 36px;
  font-size: 13px;
  opacity: 0.85;
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr 1fr; }
  .form-grid.cols-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .sidebar { transform: translateX(-100%); }
  .topbar, .main { left: 0; margin-left: 0; }
  .form-grid, .form-grid.cols-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}