/*!
 * DocuForge design system
 * Blue-purple-gray palette, readable docs-style layout
 * Applied as an override layer on top of the Bootstrap theme
 */

/* ============================================================
   Design tokens
   ============================================================ */
:root {
  --df-primary: #2563eb;
  --df-primary-hover: #1d4ed8;
  --df-secondary: #7c3aed;
  --df-tertiary: #6b7280;
  --df-bg: #fafafa;
  --df-surface: #ffffff;
  --df-body: #374151;
  --df-heading: #18181b;
  --df-border: #e4e4e7;
  --df-border-subtle: #f4f4f5;
  --df-success: #16a34a;
  --df-warning: #ca8a04;
  --df-error: #dc2626;
  --df-info: #2563eb;

  --df-font-headline: "Plus Jakarta Sans", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --df-font-body: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --df-font-mono: "Fira Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --df-radius-none: 0px;
  --df-radius-sm: 4px;
  --df-radius-md: 8px;
  --df-radius-lg: 12px;
  --df-radius-xl: 16px;
  --df-radius-full: 9999px;

  --df-space-1: 4px;
  --df-space-2: 8px;
  --df-space-3: 16px;
  --df-space-4: 24px;
  --df-space-5: 32px;
  --df-space-6: 48px;
  --df-space-7: 64px;
  --df-space-8: 96px;

  --df-shadow-subtle: 0 1px 2px rgba(0, 0, 0, 0.04);
  --df-shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.06);
  --df-shadow-large: 0 12px 32px rgba(0, 0, 0, 0.1);

  /* Remap Bootstrap theme */
  --bs-primary: #2563eb;
  --bs-primary-rgb: 37, 99, 235;
  --bs-secondary: #7c3aed;
  --bs-secondary-rgb: 124, 58, 237;
  --bs-body-color: #374151;
  --bs-body-color-rgb: 55, 65, 81;
  --bs-body-bg: #ffffff;
  --bs-border-color: #e4e4e7;
  --bs-success: #16a34a;
  --bs-success-rgb: 22, 163, 74;
  --bs-danger: #dc2626;
  --bs-danger-rgb: 220, 38, 38;
  --bs-warning: #ca8a04;
  --bs-warning-rgb: 202, 138, 4;
  --bs-info: #2563eb;
  --bs-info-rgb: 37, 99, 235;
  --bs-dark: #18181b;
  --bs-dark-rgb: 24, 24, 27;
  --bs-light: #fafafa;
  --bs-light-rgb: 250, 250, 250;
  --bs-link-color: #2563eb;
  --bs-link-hover-color: #1d4ed8;
  --bs-focus-ring-color: rgba(37, 99, 235, 0.3);
  --bs-btn-border-radius: 8px;
  --bs-border-radius: 8px;
  --bs-border-radius-sm: 4px;
  --bs-border-radius-lg: 12px;
  --bs-border-radius-xl: 16px;
}

[data-bs-theme="dark"] {
  --df-bg: #121212;
  --df-surface: #1e1e21;
  --df-body: #d4d4d8;
  --df-heading: #fafafa;
  --df-border: #3f3f46;
  --df-border-subtle: #2e2e33;
  --bs-body-bg: #121212;
  --bs-body-color: #d4d4d8;
  --bs-border-color: #3f3f46;
  --bs-light: #1e1e21;
  --bs-light-rgb: 30, 30, 33;
  --bs-dark: #000000;
  --bs-dark-rgb: 0, 0, 0;
}

/* ============================================================
   Base typography
   ============================================================ */
body {
  font-family: var(--df-font-body);
  color: var(--df-body);
  background-color: var(--df-bg);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6,
.display-1, .display-2, .display-3, .display-4, .display-5, .display-6,
.card-title, .navbar-brand {
  font-family: var(--df-font-headline);
  color: var(--df-heading);
  font-weight: 700;
  letter-spacing: 0;
}

h1, .h1, .display-6 { font-size: 40px; line-height: 1.15; font-weight: 800; letter-spacing: 0.02em; }
h2, .h2, .display-4 { font-size: 30px; line-height: 1.2; font-weight: 700; letter-spacing: 0.01em; }
h3, .h3 { font-size: 22px; line-height: 1.3; font-weight: 600; }
h4, .h4 { font-size: 19px; line-height: 1.4; font-weight: 600; }
h5, .h5 { font-size: 17px; line-height: 1.5; font-weight: 600; }
h6, .h6 { font-size: 15px; line-height: 1.5; font-weight: 600; }

p, li { font-size: 16px; line-height: 1.7; }
.lead { font-size: 18px; line-height: 1.7; }
.small, small, .text-muted { font-size: 14px; line-height: 1.6; letter-spacing: 0.01em; }

a {
  color: var(--bs-link-color);
  text-decoration: none;
}

a:hover {
  color: var(--bs-link-hover-color);
  text-decoration: underline;
}

.text-primary { color: var(--df-primary) !important; }
.text-success { color: var(--df-success) !important; }
.text-danger { color: var(--df-error) !important; }
.text-warning { color: var(--df-warning) !important; }
.text-secondary { color: var(--df-tertiary) !important; }
.text-body { color: var(--df-body) !important; }

code, pre, .font-monospace {
  font-family: var(--df-font-mono);
  font-size: 14px;
  line-height: 1.7;
}

/* ============================================================
   Buttons — 8px radius, medium hover states
   ============================================================ */
.btn {
  border-radius: var(--df-radius-md);
  padding: 10px 20px;
  min-height: 38px;
  font-size: 15px;
  font-weight: 500;
  font-family: var(--df-font-body);
  text-decoration: none;
  box-shadow: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn:focus, .btn:active:focus {
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3) !important;
}

.btn-primary {
  background-color: var(--df-primary);
  border: 1px solid var(--df-primary);
  color: #ffffff;
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--df-primary-hover);
  border-color: var(--df-primary-hover);
  color: #ffffff;
}

.btn-primary-soft, .btn-primary-soft:hover, .btn-primary-soft:focus {
  background-color: #eff6ff;
  border: 1px solid transparent;
  color: var(--df-primary);
}

.btn-outline-primary {
  background-color: #ffffff;
  border: 1px solid var(--df-primary);
  color: var(--df-primary);
}

.btn-outline-primary:hover, .btn-outline-primary:focus {
  background-color: #eff6ff;
  border-color: var(--df-primary);
  color: var(--df-primary);
}

.btn-light {
  background-color: var(--df-surface);
  border: 1px solid var(--df-border);
  color: var(--df-body);
}

.btn-light:hover, .btn-light:focus {
  background-color: #f4f4f5;
  border: 1px solid var(--df-border);
  color: var(--df-body);
}

.btn-dark {
  background-color: var(--df-heading);
  border: 1px solid var(--df-heading);
  color: #ffffff;
}

.btn-outline-secondary, .btn-secondary {
  background-color: transparent;
  border: 1px solid var(--df-tertiary);
  color: var(--df-tertiary);
}

.btn-outline-secondary:hover, .btn-secondary:hover,
.btn-outline-secondary:focus, .btn-secondary:focus {
  background-color: #f4f4f5;
  color: var(--df-tertiary);
  border: 1px solid var(--df-tertiary);
}

/* Ghost */
.btn-ghost, a.btn-ghost {
  background-color: transparent;
  border: 1px solid transparent;
  color: #52525b;
}

.btn-ghost:hover, .btn-ghost:focus {
  background-color: #f4f4f5;
  color: #52525b;
  border-color: transparent;
}

.btn-round, .btn.btn-round {
  border-radius: 50%;
  padding: 0;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-sm {
  min-height: 32px;
  padding: 4px 14px;
  font-size: 14px;
}

.btn-lg {
  min-height: 46px;
  padding: 7px 28px;
  font-size: 16px;
}

.btn-link, .btn-link:hover, .btn-link:focus {
  border-radius: 0;
  padding: 0;
  min-height: 0;
  color: var(--df-primary);
  background: transparent;
  border: 0;
  text-decoration: none;
  font-weight: 500;
  box-shadow: none;
}

.btn-link:hover {
  text-decoration: underline;
}

.btn:disabled, .btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Social buttons */
.bg-facebook, .bg-youtube, .bg-twitter, .bg-whatsapp {
  border-radius: 50%;
  width: 40px;
  height: 40px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: none !important;
  color: #ffffff;
}
.bg-facebook { background-color: #4267b2 !important; }
.bg-youtube { background-color: #ff0000 !important; }
.bg-twitter { background-color: #1da1f2 !important; }
.bg-whatsapp { background-color: #25d366 !important; }

/* ============================================================
   Cards — default & elevated
   ============================================================ */
.card {
  background-color: var(--df-surface);
  color: var(--df-body);
  border: 1px solid var(--df-border-subtle);
  border-radius: var(--df-radius-md);
  box-shadow: var(--df-shadow-subtle);
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: var(--df-shadow-medium);
}

.card.shadow {
  box-shadow: var(--df-shadow-subtle);
}

.card.shadow:hover {
  box-shadow: var(--df-shadow-medium);
}

.card .card-title a {
  color: var(--df-heading);
  text-decoration: none;
}

.card .card-title a:hover {
  color: var(--df-primary);
  text-decoration: none;
}

/* Dark surface cards */
.card.bg-dark, .bg-dark {
  background-color: var(--df-heading);
  border-color: #3f3f46;
}

.card.bg-dark .card-title,
.card.bg-dark h1, .card.bg-dark h2, .card.bg-dark h3,
.card.bg-dark h4, .card.bg-dark h5, .card.bg-dark h6 {
  color: #fafafa;
}

.card-header {
  background-color: transparent;
  border-bottom: 1px solid var(--df-border-subtle);
  font-family: var(--df-font-headline);
  font-weight: 600;
  color: var(--df-heading);
}

.card-footer {
  background-color: transparent;
  border-top: 1px solid var(--df-border-subtle);
}

.card-img-overlay {
  border-radius: var(--df-radius-md);
}

/* Feature / hero cards */
.card.feature-card {
  border-radius: var(--df-radius-xl);
  border: 1px solid var(--df-border-subtle);
  box-shadow: var(--df-shadow-subtle);
}

.card.feature-card:hover {
  box-shadow: var(--df-shadow-medium);
}

/* ============================================================
   Badges & chips
   ============================================================ */
.badge {
  font-family: var(--df-font-body);
  font-weight: 500;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  border-radius: var(--df-radius-sm);
  padding: 4px 10px;
}

.badge.bg-primary { background-color: var(--df-primary) !important; color: #ffffff; }
.badge.bg-success { background-color: #f0fdf4 !important; color: var(--df-success); }
.badge.bg-danger { background-color: #fef2f2 !important; color: var(--df-error); }
.badge.bg-warning { background-color: #fff7ed !important; color: var(--df-warning); }
.badge.bg-dark { background-color: var(--df-heading) !important; color: #ffffff; }
.badge.bg-info { background-color: #eff6ff !important; color: var(--df-primary); }
.badge.bg-secondary { background-color: #f4f4f5 !important; color: #52525b; }

/* Chips — filter style */
.chip, .ms-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  min-height: 32px;
  border-radius: var(--df-radius-sm);
  background-color: #f4f4f5;
  color: #52525b;
  font-family: var(--df-font-body);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s ease;
}

.chip:hover, .ms-chip:hover {
  background-color: #eff6ff;
  color: var(--df-primary);
  text-decoration: none;
}

/* Method badges (GET/POST/PUT/DELETE) */
.method-badge {
  font-family: var(--df-font-mono);
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--df-radius-sm);
  padding: 3px 8px;
}
.method-get { background-color: #f0fdf4; color: var(--df-success); }
.method-post { background-color: #eff6ff; color: var(--df-primary); }
.method-put { background-color: #fff7ed; color: var(--df-warning); }
.method-delete { background-color: #fef2f2; color: var(--df-error); }

/* ============================================================
   Forms
   ============================================================ */
.form-control, .form-select {
  border-radius: var(--df-radius-md);
  border: 1px solid var(--df-border);
  background-color: var(--df-surface);
  color: var(--df-body);
  font-family: var(--df-font-body);
  font-size: 15px;
  padding: 10px 14px;
  min-height: 40px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:hover, .form-select:hover {
  border-color: #d4d4d8;
}

.form-control:focus, .form-select:focus {
  border: 2px solid var(--df-primary);
  box-shadow: none !important;
  color: var(--df-body);
  background-color: var(--df-surface);
  padding: 9px 13px;
}

.form-label {
  font-family: var(--df-font-body);
  font-weight: 500;
  font-size: 14px;
  line-height: 1.4;
  color: #52525b;
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 6px;
}

.form-text, .helper-text {
  font-size: 12px;
  color: #71717a;
}

.input-group-text {
  background-color: var(--df-surface);
  border: 1px solid var(--df-border);
  color: var(--df-body);
  border-radius: var(--df-radius-md);
}

.form-check-input:checked {
  background-color: var(--df-primary);
  border-color: var(--df-primary);
}

.form-control.is-invalid {
  border: 2px solid var(--df-error);
}

/* ============================================================
   Alerts / callouts
   ============================================================ */
.alert {
  border-radius: var(--df-radius-lg);
  border: 1px solid transparent;
  font-size: 15px;
  box-shadow: none;
}
.alert-success { background-color: #f0fdf4; border-color: #bbf7d0; color: #15803d; }
.alert-danger { background-color: #fef2f2; border-color: #fecaca; color: #b91c1c; }
.alert-warning { background-color: #fff7ed; border-color: #fed7aa; color: #b45309; }
.alert-info { background-color: #eff6ff; border-color: #bfdbfe; color: #1d4ed8; }

/* ============================================================
   Tables
   ============================================================ */
.table {
  color: var(--df-body);
  font-size: 15px;
}

.table thead th {
  font-family: var(--df-font-body);
  font-weight: 500;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--df-tertiary);
  border-bottom: 1px solid var(--df-border-subtle);
  background-color: var(--df-bg);
}

.table td {
  border-bottom: 1px solid var(--df-border-subtle);
  padding: 12px 16px;
}

.table-hover tbody tr:hover {
  background-color: #f4f4f5;
}

/* ============================================================
   Header / navigation
   ============================================================ */
header.navbar-light, .navbar-light, .navbar {
  background-color: var(--df-surface);
}

.navbar {
  box-shadow: var(--df-shadow-subtle);
  border-bottom: 1px solid var(--df-border-subtle);
}

.navbar-nav .nav-link {
  font-family: var(--df-font-body);
  font-size: 15px;
  font-weight: 400;
  color: var(--df-body);
  padding: 8px 16px;
  border-radius: var(--df-radius-md);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link.active {
  color: var(--df-primary);
  text-decoration: none;
}

.navbar-nav .nav-link.active {
  font-weight: 600;
  background-color: #eff6ff;
}

.nav-link, .dropdown-item {
  font-size: 15px;
}

.dropdown-menu {
  border-radius: var(--df-radius-md);
  border: 1px solid var(--df-border);
  box-shadow: var(--df-shadow-medium);
  background-color: var(--df-surface);
  color: var(--df-body);
}

.dropdown-item {
  color: var(--df-body);
  padding: 8px 16px;
  font-size: 15px;
}

.dropdown-item:hover, .dropdown-item:focus, .dropdown-item.active {
  background-color: #f4f4f5;
  color: var(--df-primary);
}

.dropdown-divider {
  border-color: var(--df-border-subtle);
}

.avatar-img, .avatar {
  border-radius: 50%;
}

/* Mode switch */
.nav-pills-primary-soft {
  background-color: var(--df-bg);
  border-radius: var(--df-radius-md);
  padding: 4px;
}

/* ============================================================
   Hero / promo — neutral surface, blue CTA
   ============================================================ */
.hero-promo, .ms-hero {
  background-color: var(--df-bg);
  border: 1px solid var(--df-border-subtle);
  border-radius: var(--df-radius-lg);
  color: var(--df-body);
}

.hero-promo .hero-title, .ms-hero .hero-title {
  font-family: var(--df-font-headline);
  font-weight: 800;
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--df-heading);
}

.hero-promo .btn, .ms-hero .btn {
  background-color: var(--df-primary);
  border: 1px solid var(--df-primary);
  color: #ffffff;
}

/* ============================================================
   Pagination
   ============================================================ */
.pagination .page-link {
  border: 1px solid var(--df-border);
  color: var(--df-primary);
  border-radius: var(--df-radius-md);
  min-width: 38px;
  text-align: center;
  background-color: var(--df-surface);
}

.pagination .page-item.active .page-link {
  background-color: var(--df-primary);
  border-color: var(--df-primary);
  color: #ffffff;
}

/* ============================================================
   Breadcrumb
   ============================================================ */
.breadcrumb-item a, .breadcrumb-item {
  font-size: 14px;
  color: var(--df-body);
}

.breadcrumb-item.active {
  color: var(--df-primary);
  font-weight: 600;
}

/* ============================================================
   Footer — light surface, readable links
   ============================================================ */
footer, .footer-site {
  background-color: var(--df-surface);
  color: var(--df-body);
  border-top: 1px solid var(--df-border-subtle);
}

footer h5, footer h6, footer .nav-link,
footer a, footer p {
  color: var(--df-body);
}

footer h5, footer h6 {
  color: var(--df-heading);
}

footer .nav-link:hover, footer a:hover {
  color: var(--df-primary);
  text-decoration: none;
}

footer hr {
  border-color: var(--df-border-subtle);
}

/* ============================================================
   Sidebar (admin/docs) — persistent nav
   ============================================================ */
.sidebar-docs {
  width: 280px;
  background-color: var(--df-surface);
  border-right: 1px solid var(--df-border-subtle);
}

.sidebar-docs .nav-link {
  border-radius: var(--df-radius-md);
  margin-bottom: 2px;
  font-size: 14px;
  font-weight: 400;
  color: var(--df-body);
}

.sidebar-docs .nav-link:hover {
  background-color: #f4f4f5;
  color: var(--df-body);
}

.sidebar-docs .nav-link.active {
  background-color: #eff6ff;
  color: var(--df-primary);
  border-left: 2px solid var(--df-primary);
  font-weight: 500;
}

.sidebar-docs .sidebar-search {
  background-color: #f4f4f5;
  border-radius: var(--df-radius-md);
}

/* ============================================================
   Location map (hostel detail)
   ============================================================ */

.hostel-map {
  position: relative;
  height: 380px;
  background-color: #f1f3f5;
}

.hostel-map iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.hostel-map-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f1f3f5;
  z-index: 1;
}

.hostel-map-mode.btn-outline-primary {
  --bs-btn-color: var(--df-primary);
  --bs-btn-border-color: var(--df-primary);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--df-primary);
  --bs-btn-hover-border-color: var(--df-primary);
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--df-primary);
  --bs-btn-active-border-color: var(--df-primary);
}

/* ============================================================
   Misc
   ============================================================ */
.bg-primary-soft, .badge.bg-primary-soft {
  background-color: #eff6ff !important;
  color: var(--df-primary) !important;
}

.bg-success-soft, .badge.bg-success-soft {
  background-color: #f0fdf4 !important;
  color: var(--df-success) !important;
}

.spinner-grow.text-primary { color: var(--df-primary) !important; }

/* Tiny slider arrow buttons */
.arrow-round .tns-controls button,
.arrow-round button[data-controls],
.tns-controls button {
  border-radius: 50%;
  border: 1px solid var(--df-border);
  background-color: var(--df-surface);
  color: var(--df-body);
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--df-shadow-subtle);
}

/* ============================================================
   Lightbox / Gallery
   ============================================================ */
.gallery-item {
  overflow: hidden;
}

.gallery-item img {
  transition: transform 0.35s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(24, 24, 27, 0.45);
  color: #ffffff;
  opacity: 0;
  transition: opacity 0.3s ease;
  cursor: zoom-in;
}

.gallery-overlay-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
  background-color: rgba(37, 99, 235, 0.9);
  border-radius: var(--df-radius-md);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.glightbox-container .gprev,
.glightbox-container .gnext,
.glightbox-container .gclose {
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(24, 24, 27, 0.6);
  border-radius: 50%;
  color: #ffffff;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.glightbox-container .gprev:hover,
.glightbox-container .gnext:hover,
.glightbox-container .gclose:hover {
  background: var(--df-primary);
  color: #ffffff;
}

.glightbox-clean .gslide-description {
  background-color: rgba(24, 24, 27, 0.85);
  color: #ffffff;
}

.glightbox-clean .gslide-title {
  color: #ffffff;
  font-family: var(--df-font-headline);
}