/* ============================================================
   SISTEMA DE GESTIÓN DE DOCUMENTACIÓN – style.css
   Design System: Modern Dark/Light, glassmorphism accents
   ============================================================ */

/* ── Google Font import ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Variables ── */
:root {
  --primary: #2e7d32;
  /* Army Green */
  --primary-dark: #1b5e20;
  --primary-light: #66bb6a;
  --secondary: #0288d1;
  /* Tech Blue */
  --success: #388e3c;
  --warning: #fbc02d;
  --danger: #d32f2f;
  --info: #03a9f4;

  /* Light theme */
  --bg: #f1f8e9;
  /* Light Green Tint */
  --bg-card: #ffffff;
  --bg-sidebar: #1b2e1b;
  /* Deep Army Green */
  --bg-topbar: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-sidebar: #c7d2fe;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 4px 16px rgba(0, 0, 0, .06);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, .12);
  --radius: .75rem;
  --radius-sm: .5rem;
  --sidebar-width: 260px;
  --topbar-h: 64px;
  --transition: .25s ease;
}

[data-theme="dark"] {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-sidebar: #0f0e1f;
  --bg-topbar: #1e293b;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --border: #334155;
  --shadow: 0 1px 3px rgba(0, 0, 0, .4), 0 4px 16px rgba(0, 0, 0, .3);
}

/* ── Reset / Base ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  min-height: 100vh;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 6px;
}

/* ═══════════════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════════════ */

.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--bg-sidebar);
  position: fixed;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: transform var(--transition), width var(--transition);
  overflow: hidden;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  text-decoration: none;
}

.sidebar-brand-icon {
  width: 38px;
  height: 38px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(79, 70, 229, .5);
}

.sidebar-brand-text {
  color: #fff;
  font-weight: 700;
  font-size: .85rem;
  line-height: 1.3;
  letter-spacing: -.01em;
}

.sidebar-brand-text span {
  display: block;
  font-weight: 400;
  font-size: .72rem;
  opacity: .65;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 0;
}

.nav-section-title {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .35);
  padding: .75rem 1.5rem .25rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .65rem 1.5rem;
  color: var(--text-sidebar);
  text-decoration: none;
  font-size: .85rem;
  font-weight: 500;
  border-radius: 0;
  margin: .1rem 0;
  position: relative;
  transition: all var(--transition);
}

.nav-item:hover {
  background: rgba(255, 255, 255, .07);
  color: #fff;
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(79, 70, 229, .35), rgba(79, 70, 229, .1));
  color: #fff;
  border-right: 3px solid var(--primary-light);
}

.nav-item i {
  width: 1.1rem;
  text-align: center;
  font-size: .95rem;
  flex-shrink: 0;
  opacity: .8;
}

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  padding: .1rem .42rem;
  border-radius: 99px;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.user-mini {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .5rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .06);
}

.user-mini-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: grid;
  place-items: center;
  color: #fff;
  font-size: .85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.user-mini-info {
  flex: 1;
  min-width: 0;
}

.user-mini-name {
  color: #fff;
  font-weight: 600;
  font-size: .8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-mini-role {
  color: rgba(255, 255, 255, .45);
  font-size: .72rem;
}

/* ── Main Content ── */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition);
}

/* ── Topbar ── */
.topbar {
  height: var(--topbar-h);
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 900;
  box-shadow: var(--shadow);
  transition: background var(--transition);
}

.topbar-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.02em;
  flex: 1;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.btn-icon {
  width: 38px;
  height: 38px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1rem;
  transition: all var(--transition);
  position: relative;
  text-decoration: none;
}

.btn-icon:hover {
  background: var(--bg);
  color: var(--primary);
}

.notif-dot {
  width: 8px;
  height: 8px;
  background: var(--danger);
  border-radius: 50%;
  position: absolute;
  top: 6px;
  right: 6px;
  border: 2px solid var(--bg-topbar);
}

/* ── Page Content ── */
.page-content {
  flex: 1;
  padding: 1.5rem;
  overflow-x: hidden;
}

/* ═══════════════════════════════════════════════════════════
   COMPONENTS
   ═══════════════════════════════════════════════════════════ */

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .75rem;
  background: linear-gradient(90deg, rgba(46, 125, 50, 0.08), transparent);
}

.card-title {
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: -.01em;
  flex: 1;
}

.card-body {
  padding: 1.25rem;
}

.card-footer {
  padding: .875rem 1.25rem;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, .02);
}

/* ── KPI Cards ── */
.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.kpi-card.kpi-primary::before {
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.kpi-card.kpi-danger::before {
  background: linear-gradient(90deg, var(--danger), #fca5a5);
}

.kpi-card.kpi-warning::before {
  background: linear-gradient(90deg, var(--warning), #fcd34d);
}

.kpi-card.kpi-success::before {
  background: linear-gradient(90deg, var(--success), #6ee7b7);
}

.kpi-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.kpi-primary .kpi-icon {
  background: rgba(79, 70, 229, .12);
  color: var(--primary);
}

.kpi-danger .kpi-icon {
  background: rgba(239, 68, 68, .12);
  color: var(--danger);
}

.kpi-warning .kpi-icon {
  background: rgba(245, 158, 11, .12);
  color: var(--warning);
}

.kpi-success .kpi-icon {
  background: rgba(16, 185, 129, .12);
  color: var(--success);
}

.kpi-info {
  flex: 1;
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1;
}

.kpi-label {
  font-size: .78rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: .2rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .5rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  font-family: inherit;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(79, 70, 229, .4);
}

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-success:hover {
  background: #059669;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-warning {
  background: var(--warning);
  color: #fff;
}

.btn-warning:hover {
  background: #d97706;
}

.btn-secondary {
  background: var(--bg);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff;
}

.btn-sm {
  padding: .3rem .7rem;
  font-size: .76rem;
}

.btn-lg {
  padding: .75rem 1.5rem;
  font-size: .9rem;
}

/* ── Forms ── */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .4rem;
}

.form-label .required {
  color: var(--danger);
  margin-left: .2rem;
}

.form-control {
  width: 100%;
  padding: .55rem .875rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: .85rem;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, .15);
  background: var(--bg-card);
}

.form-control.is-invalid {
  border-color: var(--danger);
}

.invalid-feedback {
  font-size: .76rem;
  color: var(--danger);
  margin-top: .3rem;
}

.form-text {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: .3rem;
}

select.form-control {
  cursor: pointer;
}

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

.form-row {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ── Badges / Semáforo ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .2rem .6rem;
  border-radius: 99px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.badge-primary {
  background: rgba(79, 70, 229, .15);
  color: var(--primary);
}

.badge-success {
  background: rgba(16, 185, 129, .15);
  color: var(--success);
}

.badge-warning {
  background: rgba(245, 158, 11, .15);
  color: var(--warning);
}

.badge-danger {
  background: rgba(239, 68, 68, .15);
  color: var(--danger);
}

.badge-info {
  background: rgba(59, 130, 246, .15);
  color: var(--info);
}

.badge-secondary {
  background: rgba(100, 116, 139, .15);
  color: var(--text-muted);
}

.badge-dark {
  background: rgba(30, 41, 59, .15);
  color: var(--text);
}

/* ── Semáforo de vencimiento ── */
.semaforo-vigente {
  background: rgba(16, 185, 129, .12);
  color: var(--success);
}

.semaforo-proximo {
  background: rgba(245, 158, 11, .12);
  color: var(--warning);
}

.semaforo-vencido {
  background: rgba(239, 68, 68, .12);
  color: var(--danger);
}

.semaforo-completado {
  background: rgba(59, 130, 246, .12);
  color: var(--info);
}

/* ── Tables ── */
.table-responsive {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
}

.table th {
  padding: .65rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: .73rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

.table td {
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.table tbody tr {
  transition: background var(--transition);
}

.table tbody tr:hover {
  background: var(--bg);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* ── Alerts (toasts / banners) ── */
.alert {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .875rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: .85rem;
  font-weight: 500;
  animation: slideDown .3s ease;
}

.alert-danger {
  background: rgba(239, 68, 68, .1);
  color: #991b1b;
  border: 1px solid rgba(239, 68, 68, .25);
}

.alert-success {
  background: rgba(16, 185, 129, .1);
  color: #065f46;
  border: 1px solid rgba(16, 185, 129, .25);
}

.alert-warning {
  background: rgba(245, 158, 11, .1);
  color: #92400e;
  border: 1px solid rgba(245, 158, 11, .25);
}

.alert-info {
  background: rgba(59, 130, 246, .1);
  color: #1e40af;
  border: 1px solid rgba(59, 130, 246, .25);
}

[data-theme="dark"] .alert-danger {
  color: #fca5a5;
}

[data-theme="dark"] .alert-success {
  color: #6ee7b7;
}

[data-theme="dark"] .alert-warning {
  color: #fcd34d;
}

[data-theme="dark"] .alert-info {
  color: #93c5fd;
}

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .78rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb i.sep {
  font-size: .7rem;
  opacity: .5;
}

/* ── Modals ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .55);
  display: grid;
  place-items: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  backdrop-filter: blur(4px);
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: min(560px, 95vw);
  box-shadow: var(--shadow-lg);
  transform: scale(.95);
  transition: transform var(--transition);
}

.modal-overlay.show .modal-box {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-weight: 700;
  font-size: .95rem;
  flex: 1;
}

.modal-body {
  padding: 1.25rem;
}

.modal-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: .5rem;
}

/* ── Notification dropdown ── */
.notif-dropdown {
  position: absolute;
  top: calc(var(--topbar-h) + .5rem);
  right: .5rem;
  width: 360px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 1100;
  overflow: hidden;
  display: none;
}

.notif-dropdown.show {
  display: block;
  animation: slideDown .2s ease;
}

.notif-item {
  display: flex;
  gap: .75rem;
  padding: .875rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  text-decoration: none;
  color: var(--text);
  transition: background var(--transition);
}

.notif-item:hover {
  background: var(--bg);
}

.notif-item.unread {
  background: rgba(79, 70, 229, .04);
}

.notif-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: .9rem;
  flex-shrink: 0;
}

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: .25rem;
  border-bottom: 2px solid var(--border);
  margin-bottom: 1.25rem;
}

.tab-btn {
  padding: .6rem 1rem;
  background: none;
  border: none;
  font-family: inherit;
  font-size: .83rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-btn:hover {
  color: var(--text);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn .2s ease;
}

/* ── Progress / Timeline ── */
.timeline {
  position: relative;
  padding-left: 1.75rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: .5rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 1.25rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.45rem;
  top: .3rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg-card);
}

.timeline-date {
  font-size: .72rem;
  color: var(--text-muted);
  font-weight: 500;
}

.timeline-body {
  font-size: .83rem;
  margin-top: .2rem;
}

.timeline-author {
  font-weight: 600;
}

/* ── Upload dropzone ── */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  background: var(--bg);
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--primary);
  background: rgba(79, 70, 229, .04);
  color: var(--primary);
}

/* ── Priority indicators ── */
.prioridad-alta {
  color: var(--danger);
}

.prioridad-media {
  color: var(--warning);
}

.prioridad-baja {
  color: var(--success);
}

/* ── Page header ── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.page-header-content h1 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -.03em;
}

.page-header-content p {
  font-size: .83rem;
  color: var(--text-muted);
  margin-top: .2rem;
}

/* ── Search bar ── */
.search-bar {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-bar input {
  padding-left: 2.4rem;
}

.search-bar i {
  position: absolute;
  left: .875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* ── Filters strip ── */
.filter-strip {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
  padding: .875rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.filter-strip select,
.filter-strip input[type="date"] {
  min-width: 140px;
  flex: 1;
}

/* ── Comment thread ── */
.comment-thread {
  display: flex;
  flex-direction: column;
  gap: .875rem;
}

.comment-item {
  display: flex;
  gap: .75rem;
}

.comment-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
  font-size: .8rem;
  flex-shrink: 0;
}

.comment-bubble {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  padding: .65rem .875rem;
  flex: 1;
}

.comment-meta {
  font-size: .72rem;
  color: var(--text-muted);
  margin-bottom: .25rem;
}

.comment-meta strong {
  color: var(--text);
  font-weight: 600;
}

.comment-text {
  font-size: .83rem;
}

/* ── Toast notifications ── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.toast {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .875rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: .83rem;
  min-width: 280px;
  animation: slideUp .3s ease;
  border-left: 4px solid var(--success);
}

.toast.error {
  border-left-color: var(--danger);
}

.toast.warn {
  border-left-color: var(--warning);
}

/* ── Animations ── */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(calc(-1 * var(--sidebar-width)));
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .kpi-card {
    flex-direction: column;
    text-align: center;
  }

  .page-header {
    flex-direction: column;
  }

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

  .filter-strip {
    flex-direction: column;
  }

  .filter-strip select,
  .filter-strip input[type="date"] {
    min-width: unset;
    width: 100%;
  }
}

/* ── Utilities ── */
.d-flex {
  display: flex;
}

.align-items-center {
  align-items: center;
}

.justify-content-between {
  justify-content: space-between;
}

.gap-1 {
  gap: .25rem;
}

.gap-2 {
  gap: .5rem;
}

.gap-3 {
  gap: .75rem;
}

.gap-4 {
  gap: 1rem;
}

.mt-1 {
  margin-top: .25rem;
}

.mt-2 {
  margin-top: .5rem;
}

.mt-3 {
  margin-top: .75rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: .75rem;
}

.mb-2 {
  margin-bottom: .5rem;
}

.text-muted {
  color: var(--text-muted);
}

.text-danger {
  color: var(--danger);
}

.text-success {
  color: var(--success);
}

.text-primary {
  color: var(--primary);
}

.fw-bold {
  font-weight: 700;
}

.fw-600 {
  font-weight: 600;
}

.fs-sm {
  font-size: .78rem;
}

.text-end {
  text-align: right;
}

.text-center {
  text-align: center;
}

.w-100 {
  width: 100%;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

@media (max-width: 992px) {
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {

  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ── Login Page ── */
.login-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 40%, #1e3a5f 100%);
  display: grid;
  place-items: center;
  padding: 1rem;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 600px at 20% 20%, rgba(79, 70, 229, .25), transparent),
    radial-gradient(ellipse 600px 500px at 80% 80%, rgba(6, 182, 212, .15), transparent);
}

.login-card {
  width: min(440px, 100%);
  background: rgba(255, 255, 255, .07);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 1.25rem;
  padding: 2.5rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, .4);
  position: relative;
  z-index: 1;
  animation: slideDown .4s ease;
}

.login-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 1rem;
  display: grid;
  place-items: center;
  font-size: 1.75rem;
  color: #fff;
  margin: 0 auto .75rem;
  box-shadow: 0 8px 24px rgba(79, 70, 229, .5);
}

.login-logo h1 {
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -.02em;
}

.login-logo p {
  color: rgba(255, 255, 255, .55);
  font-size: .8rem;
  margin-top: .25rem;
}

.login-card .form-label {
  color: rgba(255, 255, 255, .8);
}

.login-card .form-control {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .2);
  color: #fff;
}

.login-card .form-control::placeholder {
  color: rgba(255, 255, 255, .35);
}

.login-card .form-control:focus {
  background: rgba(255, 255, 255, .15);
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(129, 140, 248, .3);
}