/* ==========================================================================
   Learn Quran Pak Online — App Shell
   Navbar · Footer · Dashboard layout · Flash · Auth · Theme toggle
   Requires: design-system.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   Navbar — floating glass, sticky
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: var(--space-4);
  left: var(--section-px);
  right: var(--section-px);
  z-index: var(--z-fixed);
  max-width: calc(var(--container-max) + var(--section-px) * 2);
  margin-inline: auto;
  border-radius: var(--radius-xl);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
  backdrop-filter: blur(var(--glass-blur-heavy));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition:
    top var(--duration-base) var(--ease-out-expo),
    background var(--duration-base) var(--ease-in-out),
    box-shadow var(--duration-base) var(--ease-in-out),
    border-color var(--duration-fast) var(--ease-in-out);
  transform: translateZ(0);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-height);
  padding: 0 var(--space-6);
}

.navbar__inner {
  position: relative;
}

.navbar::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0.65;
  background: linear-gradient(
    135deg,
    rgba(5, 150, 105, 0.22),
    transparent 42%,
    rgba(251, 191, 36, 0.16)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
}

.navbar::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(520px circle at 30% 0%, rgba(16, 185, 129, 0.18), transparent 60%);
  transition: opacity var(--duration-base) var(--ease-out-expo);
}

.navbar:hover::after {
  opacity: 1;
}

.navbar__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo:hover {
  color: var(--color-primary);
}

.navbar__logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: var(--color-text-inverse);
  display: grid;
  place-items: center;
  font-size: var(--text-lg);
  box-shadow: var(--shadow-glow-primary);
}

.navbar__nav {
  display: none;
  align-items: center;
  gap: 2px;
  padding: 6px;
  margin: 0;
  list-style: none;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(226, 232, 240, 0.85);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
  transform: translateZ(0);
}

.navbar__nav > li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar__link {
  position: relative;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-full);
  transition:
    color var(--duration-fast) var(--ease-in-out),
    background var(--duration-fast) var(--ease-in-out),
    transform var(--duration-fast) var(--ease-out-expo),
    box-shadow var(--duration-fast) var(--ease-in-out);
  transform: translateZ(0);
}

.navbar__link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s var(--ease-out-expo);
  opacity: 0.9;
}

.navbar__link:hover,
.navbar__link--active {
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.08);
}

.navbar__link:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(5, 150, 105, 0.12);
}

.navbar__link:hover::after,
.navbar__link--active::after {
  transform: scaleX(1);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.navbar__btn {
  position: relative;
  transform: translateZ(0);
  transition:
    transform 0.16s var(--ease-out-expo),
    box-shadow 0.18s ease;
}

.navbar__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
}

.navbar__btn:active {
  transform: translateY(0);
}

.navbar__btn--primary {
  overflow: hidden;
}

.navbar__btn-shine {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 60%
  );
  transform: translateX(-120%);
  transition: transform 0.55s ease;
}

.navbar__btn--primary:hover .navbar__btn-shine {
  transform: translateX(120%);
}

.navbar__actions .btn--ghost,
.navbar__actions .btn--primary {
  display: none;
}

.navbar__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast) var(--ease-in-out);
}

.navbar__toggle:hover {
  background: rgba(var(--color-primary-rgb), 0.08);
}

.navbar__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition:
    transform var(--duration-base) var(--ease-out-expo),
    opacity var(--duration-fast) var(--ease-in-out);
  transform-origin: center;
}

.navbar--scrolled {
  top: var(--space-2);
  background: var(--glass-bg-strong);
  box-shadow: var(--shadow-lg);
  border-color: rgba(var(--color-primary-rgb), 0.12);
}

@media (prefers-reduced-motion: reduce) {
  .navbar__link,
  .navbar__btn {
    transition: none;
  }
  .navbar__btn-shine {
    display: none;
  }
}

.navbar--open .navbar__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar--open .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar--open .navbar__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 768px) {
  .navbar__nav {
    display: flex;
  }

  .navbar__actions .btn--ghost,
  .navbar__actions .btn--primary {
    display: inline-flex;
  }

  .navbar__toggle {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Mobile drawer
   -------------------------------------------------------------------------- */
.mobile-nav {
  position: fixed;
  inset: calc(var(--header-height) + var(--space-6)) var(--section-px) auto;
  z-index: calc(var(--z-fixed) - 1);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
  backdrop-filter: blur(var(--glass-blur-heavy));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px) translateZ(0);
  transition:
    opacity var(--duration-base) var(--ease-out-expo),
    transform var(--duration-base) var(--ease-out-expo),
    visibility var(--duration-base);
  pointer-events: none;
}

@media (min-width: 768px) {
  .mobile-nav--open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) translateZ(0);
    pointer-events: auto;
  }
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-4);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--duration-fast) var(--ease-in-out);
}

.mobile-nav__link:hover {
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .mobile-nav {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Theme toggle
   -------------------------------------------------------------------------- */
.theme-toggle {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  color: var(--color-text-secondary);
  transition:
    background var(--duration-fast) var(--ease-in-out),
    color var(--duration-fast) var(--ease-in-out);
}

.theme-toggle:hover {
  background: rgba(var(--color-primary-rgb), 0.08);
  color: var(--color-primary);
}

.theme-toggle__icon {
  position: absolute;
  width: 20px;
  height: 20px;
  transition:
    opacity var(--duration-base) var(--ease-in-out),
    transform var(--duration-base) var(--ease-out-back);
}

.theme-toggle__icon--sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.theme-toggle__icon--moon {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle__icon--sun {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle__icon--moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* --------------------------------------------------------------------------
   Main content offset
   -------------------------------------------------------------------------- */
#main-content {
  padding-top: calc(var(--header-height) + var(--space-10));
}

/* --------------------------------------------------------------------------
   Footer — premium
   -------------------------------------------------------------------------- */
.footer {
  position: relative;
  padding-block: var(--space-16) var(--space-10);
  background: var(--color-dark);
  color: var(--slate-400);
  overflow: hidden;
}

.footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 0% 100%, rgba(16, 185, 129, 0.15) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 0%, rgba(251, 191, 36, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.footer::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: var(--pattern-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='64' viewBox='0 0 64 64'%3E%3Cg fill='none' stroke='%2310b981' stroke-width='0.5' opacity='0.4'%3E%3Cpath d='M32 0L64 32L32 64L0 32Z'/%3E%3Cpath d='M32 8L56 32L32 56L8 32Z'/%3E%3Ccircle cx='32' cy='32' r='3'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 64px 64px;
  pointer-events: none;
}

.footer .container {
  position: relative;
  z-index: 1;
}

.footer__top {
  display: grid;
  gap: var(--space-12);
  margin-bottom: var(--space-10);
}

.footer__brand {
  max-width: 360px;
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-lg);
  font-weight: 800;
  color: #f8fafc;
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.footer__logo:hover {
  color: var(--emerald-400);
}

.footer__desc {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--slate-400);
  margin-bottom: var(--space-6);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--slate-200);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition:
    transform var(--duration-fast) var(--ease-out-expo),
    background var(--duration-fast) var(--ease-in-out),
    border-color var(--duration-fast) var(--ease-in-out),
    color var(--duration-fast) var(--ease-in-out);
  transform: translateZ(0);
}

.footer__social-link:hover {
  transform: translateZ(0) translateY(-2px);
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(16, 185, 129, 0.35);
  color: var(--emerald-400);
}

.footer__columns {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: repeat(2, 1fr);
}

.footer__column-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: #f8fafc;
  margin-bottom: var(--space-4);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

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

.footer__link {
  font-size: var(--text-sm);
  color: var(--slate-400);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-in-out);
}

.footer__link:hover {
  color: var(--emerald-400);
}

.footer .divider-ornament::before,
.footer .divider-ornament::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
}

.footer__arabic {
  font-family: var(--font-arabic);
  font-size: var(--text-xl);
  color: var(--emerald-400);
  opacity: 0.85;
  margin-bottom: var(--space-8);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--slate-500);
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
}

.footer__legal a {
  font-size: var(--text-sm);
  color: var(--slate-400);
  text-decoration: none;
}

.footer__legal a:hover {
  color: var(--emerald-400);
}

@media (min-width: 640px) {
  .footer__columns {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer__top {
    grid-template-columns: 1.1fr 1.5fr;
    align-items: start;
  }

  .footer__bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* --------------------------------------------------------------------------
   Dashboard layout — .dash-layout + .dashboard aliases
   -------------------------------------------------------------------------- */
.dash-layout,
.dashboard {
  display: grid;
  min-height: 100vh;
  min-height: 100dvh;
  grid-template-columns: 1fr;
  background: var(--color-bg);
}

.dash-sidebar,
.dashboard__sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 272px;
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
  backdrop-filter: blur(var(--glass-blur-heavy));
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: var(--z-sticky);
  transform: translateX(-100%) translateZ(0);
  transition: transform var(--duration-slow) var(--ease-out-expo);
  box-shadow: var(--shadow-xl);
}

.dash-sidebar--open,
.dashboard__sidebar--open {
  transform: translateX(0) translateZ(0);
}

.dash-sidebar__brand,
.dashboard__sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
  font-weight: 800;
  font-size: var(--text-sm);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: var(--tracking-tight);
  flex-shrink: 0;
}

.dash-sidebar__brand-icon,
.dashboard__sidebar-brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: grid;
  place-items: center;
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-glow-primary);
  flex-shrink: 0;
}

.dash-sidebar__nav-wrap,
.dashboard__sidebar > nav {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: rgba(148, 163, 184, 0.35) transparent;
}

.dash-sidebar__nav,
.dashboard__nav {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.dash-sidebar__link,
.dashboard__nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition:
    background var(--duration-fast) var(--ease-in-out),
    color var(--duration-fast) var(--ease-in-out),
    transform var(--duration-fast) var(--ease-out-expo);
  transform: translateZ(0);
}

.dash-sidebar__link:hover,
.dashboard__nav-link:hover,
.dash-sidebar__link--active,
.dashboard__nav-link--active {
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
}

.dash-sidebar__user,
.dashboard__sidebar-user {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.dash-sidebar__user img,
.dashboard__sidebar-user img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(var(--color-primary-rgb), 0.25);
}

.dash-sidebar__user-name,
.dashboard__sidebar-user-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
}

.dash-sidebar__user-role,
.dashboard__sidebar-user-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.dash-main,
.dashboard__main {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.dash-header,
.dashboard__header {
  position: sticky;
  top: 0;
  z-index: calc(var(--z-sticky) - 1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--section-px);
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--color-border);
}

.dash-header__title,
.dashboard__header-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: var(--tracking-tight);
}

.dash-header__actions,
.dashboard__header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.dash-content,
.dashboard__content {
  flex: 1;
  padding: var(--space-6) var(--section-px) var(--space-12);
}

.dash-overlay,
.dashboard__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  z-index: calc(var(--z-sticky) - 1);
}

.dash-overlay--visible,
.dashboard__overlay--visible {
  display: block;
}

.dash-menu-toggle,
.dashboard__menu-toggle {
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .dash-layout,
  .dashboard {
    grid-template-columns: 272px 1fr;
  }

  .dash-sidebar,
  .dashboard__sidebar {
    transform: none;
    position: sticky;
    top: 0;
    height: 100vh;
    height: 100dvh;
    box-shadow: none;
  }

  .dash-overlay,
  .dashboard__overlay {
    display: none !important;
  }

  .dash-menu-toggle,
  .dashboard__menu-toggle {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Portal stat cards & chart placeholders
   -------------------------------------------------------------------------- */
.portal-stats,
.dashboard-stat-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-8);
}

.portal-stat,
.dashboard-stat {
  position: relative;
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition:
    transform var(--duration-base) var(--ease-out-expo),
    box-shadow var(--duration-base) var(--ease-in-out);
  transform: translateZ(0);
}

.portal-stat::before,
.dashboard-stat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-in-out);
}

.portal-stat:hover,
.dashboard-stat:hover {
  transform: translateZ(0) translateY(-3px);
  box-shadow: var(--shadow-md);
}

.portal-stat:hover::before,
.dashboard-stat:hover::before {
  opacity: 1;
}

.portal-stat__label,
.dashboard-stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.portal-stat__value,
.dashboard-stat__value {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
  line-height: var(--leading-tight);
}

.portal-stat__change,
.dashboard-stat__change {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-2);
}

.portal-panel,
.dashboard-panel {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-6);
}

.portal-panel__title,
.dashboard-panel__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.portal-grid-2,
.dashboard-grid-2 {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}

.portal-chart,
.dashboard-chart-placeholder {
  min-height: 220px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary-soft);
  border: 1px dashed rgba(var(--color-primary-rgb), 0.25);
  display: grid;
  place-items: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
}

.portal-list,
.dashboard-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.portal-list__item,
.dashboard-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  font-size: var(--text-sm);
  border: 1px solid transparent;
  transition:
    border-color var(--duration-fast) var(--ease-in-out),
    background var(--duration-fast) var(--ease-in-out);
}

.portal-list__item:hover,
.dashboard-list__item:hover {
  border-color: var(--color-border);
  background: var(--color-surface);
}

@media (min-width: 640px) {
  .portal-stats,
  .dashboard-stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .portal-stats,
  .dashboard-stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .portal-grid-2,
  .dashboard-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

/* --------------------------------------------------------------------------
   Flash messages
   -------------------------------------------------------------------------- */
.flash-messages {
  position: fixed;
  top: calc(var(--header-height) + var(--space-6));
  left: 0;
  right: 0;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-inline: var(--section-px);
  pointer-events: none;
}

.flash {
  pointer-events: auto;
  animation: flashIn var(--duration-base) var(--ease-out-expo);
}

@keyframes flashIn {
  from {
    opacity: 0;
    transform: translateY(-8px) translateZ(0);
  }
  to {
    opacity: 1;
    transform: translateY(0) translateZ(0);
  }
}

.flash__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  max-width: var(--container-max);
  margin-inline: auto;
}

.flash--success .flash__inner {
  border-color: rgba(var(--color-primary-rgb), 0.4);
  box-shadow: var(--shadow-lg), 0 0 24px rgba(16, 185, 129, 0.12);
}

.flash--error .flash__inner,
.flash--danger .flash__inner {
  border-color: rgba(239, 68, 68, 0.4);
}

.flash--warning .flash__inner {
  border-color: rgba(var(--color-accent-rgb), 0.45);
}

.flash--info .flash__inner {
  border-color: rgba(14, 165, 233, 0.35);
}

.flash__message {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.flash__close {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  font-size: var(--text-xl);
  line-height: 1;
  color: var(--color-text-muted);
  transition:
    background var(--duration-fast) var(--ease-in-out),
    color var(--duration-fast) var(--ease-in-out);
}

.flash__close:hover {
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-text);
}

body:not(.auth-page) .flash-messages {
  top: calc(var(--header-height) + var(--space-10));
}

.dashboard .flash-messages,
.dash-layout .flash-messages {
  top: var(--space-4);
}

/* --------------------------------------------------------------------------
   Auth pages
   -------------------------------------------------------------------------- */
.auth-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--section-px);
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
}

.auth-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 0;
  pointer-events: none;
}

.auth-page::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: var(--pattern-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cg fill='none' stroke='%2310b981' stroke-width='0.5'%3E%3Cpath d='M40 0L80 40L40 80L0 40Z'/%3E%3Cpath d='M40 10L70 40L40 70L10 40Z'/%3E%3Ccircle cx='40' cy='40' r='4'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
}

.auth-page__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
  animation: authOrb 18s ease-in-out infinite;
  will-change: transform;
}

.auth-page__orb--primary {
  width: min(520px, 75vw);
  height: min(520px, 75vw);
  background: rgba(var(--color-primary-rgb), 0.22);
  top: -18%;
  right: -12%;
}

.auth-page__orb--accent {
  width: min(360px, 55vw);
  height: min(360px, 55vw);
  background: rgba(var(--color-accent-rgb), 0.18);
  bottom: -12%;
  left: -10%;
  animation-delay: -9s;
}

@keyframes authOrb {
  0%, 100% { transform: translate(0, 0) scale(1) translateZ(0); }
  50% { transform: translate(-20px, 15px) scale(1.05) translateZ(0); }
}

.auth-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
}

.auth-shell--wide {
  max-width: 540px;
}

.auth-card {
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
  backdrop-filter: blur(var(--glass-blur-heavy));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-xl), var(--shadow-glow-primary);
}

.auth-card__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-tight);
}

.auth-card__brand:hover {
  color: var(--color-primary);
}

.auth-card__brand-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: grid;
  place-items: center;
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-glow-primary);
}

.auth-card__header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-card__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.auth-card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.auth-card__footer {
  margin-top: var(--space-6);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.auth-card__footer a {
  font-weight: 700;
}

.auth-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: 0;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-in-out);
}

.auth-back:hover {
  color: var(--color-primary);
}

.auth-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-divider);
}

.auth-topbar {
  position: fixed;
  top: var(--space-4);
  right: var(--section-px);
  z-index: var(--z-fixed);
}