/* ============================================================
   CRS-PDVS — Page-Specific Styles
   Header, Footer, Intro Overlay, Page-level Layout
   ============================================================ */


/* ============================================================
   1. SITE HEADER
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.site-header__logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  background: transparent;
}

.site-header__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.site-header__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-tight);
}

.site-header__subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

/* Header Navigation */
.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-header__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.site-header__link:hover,
.site-header__link--active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Mobile hamburger */
.site-header__menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
}

.site-header__menu-btn:hover {
  background: var(--neutral-100);
}

@media (max-width: 768px) {
  .site-header__nav {
    display: none;
  }

  .site-header__nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--space-4) var(--space-6);
    box-shadow: var(--shadow-lg);
  }

  .site-header__menu-btn {
    display: flex;
  }

  .site-header__inner {
    padding: 0 var(--space-4);
  }
}


/* ============================================================
   2. SITE FOOTER
   ============================================================ */

.site-footer {
  background: var(--crs-blue-900);
  color: rgba(255,255,255,0.7);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: auto;
  border-top: 3px solid var(--crs-blue-600);
}

.site-footer__inner {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.site-footer__brand-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: white;
  margin-bottom: var(--space-3);
}

.site-footer__tagline {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  max-width: 360px;
}

.site-footer__heading {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--space-4);
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.site-footer__link {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer__link:hover {
  color: white;
}

.site-footer__bar {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.site-footer__copy {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.45);
}

.site-footer__state-msg {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.35);
  font-style: italic;
}

@media (max-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .site-footer__bar {
    flex-direction: column;
    text-align: center;
  }
}


/* ============================================================
   3. SEASON OF SWEETNESS — INTRO OVERLAY
   ============================================================ */

.intro-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-intro);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(150deg,
    var(--crs-blue-900) 0%,
    var(--crs-blue-700) 50%,
    var(--crs-blue-600) 100%
  );
  opacity: 1;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.intro-overlay.hiding {
  opacity: 0;
  transform: scale(1.05);
  pointer-events: none;
}

.intro-overlay.removed {
  display: none;
}

.intro-overlay__content {
  text-align: center;
  color: white;
  padding: var(--space-8);
  max-width: 600px;
  animation: introFadeInUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes introFadeInUp {
  from {
    opacity: 0;
    transform: translateY(32px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.intro-overlay__emblem {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  animation: introPulse 2.5s ease-in-out infinite;
  border: 1px solid rgba(255,255,255,0.15);
}

@keyframes introPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,0.15); }
  50%      { box-shadow: 0 0 0 20px rgba(255,255,255,0); }
}

.intro-overlay__emblem img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.intro-overlay__season {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-3);
  animation: introFadeInUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both;
}

.intro-overlay__headline {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extra);
  letter-spacing: var(--letter-spacing-tight);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-tight);
  animation: introFadeInUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

.intro-overlay__sub {
  font-size: var(--font-size-md);
  color: rgba(255,255,255,0.75);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
  animation: introFadeInUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.45s both;
}

.intro-overlay__cta {
  animation: introFadeInUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
}

.intro-overlay__dismiss {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.intro-overlay__dismiss:hover {
  background: rgba(255,255,255,0.25);
  transform: translateY(-1px);
}

/* Decorative floating dots */
.intro-overlay__dots {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.intro-overlay__dot {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}

.intro-overlay__dot:nth-child(1) { top: 15%; left: 10%; animation: floatDot 8s ease-in-out infinite; }
.intro-overlay__dot:nth-child(2) { top: 30%; right: 15%; animation: floatDot 10s ease-in-out 1s infinite; width: 8px; height: 8px; }
.intro-overlay__dot:nth-child(3) { bottom: 20%; left: 20%; animation: floatDot 12s ease-in-out 2s infinite; width: 4px; height: 4px; }
.intro-overlay__dot:nth-child(4) { top: 60%; right: 25%; animation: floatDot 9s ease-in-out 0.5s infinite; }
.intro-overlay__dot:nth-child(5) { bottom: 35%; left: 40%; animation: floatDot 11s ease-in-out 1.5s infinite; width: 10px; height: 10px; }
.intro-overlay__dot:nth-child(6) { top: 10%; right: 35%; animation: floatDot 7s ease-in-out 0.8s infinite; width: 5px; height: 5px; }

@keyframes floatDot {
  0%, 100% { transform: translate(0, 0); opacity: 0.4; }
  25%  { transform: translate(12px, -20px); opacity: 0.7; }
  50%  { transform: translate(-8px, -35px); opacity: 0.3; }
  75%  { transform: translate(15px, -15px); opacity: 0.6; }
}

/* Progress bar at bottom of overlay */
.intro-overlay__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: rgba(255,255,255,0.4);
  border-radius: 0 3px 0 0;
  animation: introProgress 5s linear both;
}

@keyframes introProgress {
  from { width: 0%; }
  to   { width: 100%; }
}


/* ============================================================
   4. PAGE HERO SECTION
   ============================================================ */

.page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--crs-blue-900), var(--crs-blue-700));
  color: white;
  padding: var(--space-20) 0 var(--space-16);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 30% 0%,
    rgba(255,255,255,0.05) 0%,
    transparent 50%
  );
  pointer-events: none;
}

.page-hero__inner {
  position: relative;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.page-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-6);
}

.page-hero__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extra);
  color: white;
  max-width: 700px;
  margin-bottom: var(--space-5);
}

.page-hero__description {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
}

.page-hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .page-hero {
    padding: var(--space-12) 0 var(--space-10);
  }

  .page-hero__title {
    font-size: var(--font-size-2xl);
  }

  .page-hero__description {
    font-size: var(--font-size-base);
  }
}


/* ============================================================
   5. SECTION LAYOUT
   ============================================================ */

.section {
  padding: var(--space-16) 0;
}

.section--alt {
  background: var(--color-surface);
}

.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-12);
}

.section__overline {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.section__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-4);
}

.section__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}


/* ============================================================
   6. ADMIN LAYOUT — Collapsible sidebar
   Desktop: full 260px ↔ icon rail 64px (content reflows)
   Mobile:  fixed overlay drawer
   ============================================================ */

:root {
  --sidebar-full: 260px;
  --sidebar-rail:  64px;
}

.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* ---- Sidebar base ---- */
.admin-sidebar {
  width: var(--sidebar-full);
  background: var(--crs-blue-900);
  color: white;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  border-right: 1px solid rgba(255,255,255,0.06);
  transition: width 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10;
  scrollbar-width: none;
}
.admin-sidebar::-webkit-scrollbar { display: none; }

/* Desktop collapsed → icon rail */
.admin-layout.sidebar-collapsed .admin-sidebar {
  width: var(--sidebar-rail);
}

/* Main content stretches to fill remaining flex space */
.admin-main {
  flex: 1;
  min-width: 0;
  background: var(--color-surface-alt);
}


/* ---- Sidebar close button row ---- */
.admin-sidebar__close {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: var(--space-2) var(--space-3) 0;
}
.admin-layout.sidebar-collapsed .admin-sidebar__close {
  justify-content: center;
}
.admin-sidebar__close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.admin-sidebar__close-btn:hover {
  background: rgba(255,255,255,0.1);
  color: white;
}


/* ---- Brand area ---- */
.admin-sidebar__brand {
  padding: var(--space-4) var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  overflow: hidden;
  min-height: 68px;
}

.admin-sidebar__brand-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  white-space: nowrap;
}

.admin-sidebar__brand-text {
  overflow: hidden;
  flex: 1;
  min-width: 0;
  transition: opacity 0.2s ease;
}

.admin-sidebar__brand-name {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: white;
  white-space: nowrap;
}
.admin-sidebar__brand-sub {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
  white-space: nowrap;
}

/* Collapsed: center icon, collapse text */
.admin-layout.sidebar-collapsed .admin-sidebar__brand {
  padding: var(--space-4) 0;
  display: flex;
  justify-content: center;
  align-items: center;
}
.admin-layout.sidebar-collapsed .admin-sidebar__brand-inner {
  justify-content: center;
}
.admin-layout.sidebar-collapsed .admin-sidebar__brand-text {
  width: 0;
  opacity: 0;
  overflow: hidden;
}


/* ---- Navigation ---- */
.admin-sidebar__nav {
  padding: var(--space-3);
  flex: 1;
  overflow: hidden;
}

.admin-sidebar__section-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  padding: var(--space-4) var(--space-2) var(--space-2);
  white-space: nowrap;
  overflow: hidden;
  transition: opacity 0.2s ease, max-height 0.25s ease, padding 0.25s ease;
  max-height: 40px;
}

/* Collapsed: collapse section titles to nothing */
.admin-layout.sidebar-collapsed .admin-sidebar__section-title {
  opacity: 0;
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  pointer-events: none;
}

/* Nav link */
.admin-sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: rgba(255,255,255,0.65);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
}
.admin-sidebar__link:hover {
  color: white;
  background: rgba(255,255,255,0.08);
}
.admin-sidebar__link--active {
  color: white;
  background: rgba(255,255,255,0.12);
}

/* Icon — always visible, never shrinks */
.admin-sidebar__link-icon {
  width: 20px;
  min-width: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Label and badge — hidden when collapsed */
.admin-sidebar__link-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}
.admin-sidebar__badge {
  flex-shrink: 0;
}

/* Collapsed: centre icon, hide text/badge */
.admin-layout.sidebar-collapsed .admin-sidebar__link {
  justify-content: center;
  padding: var(--space-3) 0;
}
.admin-layout.sidebar-collapsed .admin-sidebar__link-label,
.admin-layout.sidebar-collapsed .admin-sidebar__badge {
  display: none;
}


/* ---- User info ---- */
.admin-sidebar__user {
  padding: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  overflow: hidden;
}
.admin-sidebar__user-info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}
.admin-sidebar__user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: white;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.admin-sidebar__user-role {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.45);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Collapsed: centre avatar, hide info */
.admin-layout.sidebar-collapsed .admin-sidebar__user {
  justify-content: center;
  padding: var(--space-4) 0;
}
.admin-layout.sidebar-collapsed .admin-sidebar__user-info {
  display: none;
}


/* ---- Top bar ---- */
.admin-topbar {
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}
.admin-topbar__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semi);
  color: var(--color-text-primary);
}
.admin-topbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.admin-content {
  padding: var(--space-8);
}


/* ============================================================
   MOBILE — sidebar becomes fixed overlay drawer
   ============================================================ */
@media (max-width: 1024px) {
  .admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    width: var(--sidebar-full) !important; /* always full-width as a drawer */
    overflow-y: auto;
  }

  /* Mobile open */
  .admin-layout.sidebar-open .admin-sidebar {
    transform: translateX(0);
  }

  /* Desktop collapsed = no effect on mobile */
  .admin-layout.sidebar-collapsed .admin-sidebar {
    width: var(--sidebar-full) !important;
    transform: translateX(-100%);
  }

  .admin-topbar { padding: 0 var(--space-4); }
  .admin-content { padding: var(--space-4); }
}