:root {
  --font-sans: 'Lato', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --shadow-soft: 0 12px 40px rgba(15, 18, 34, 0.18);
  --shadow-lift: 0 20px 60px rgba(10, 12, 24, 0.22);
  --theme-transition: 360ms cubic-bezier(0.4, 0, 0.2, 1);
  --calendar-appointment-color: var(--accent);
  --calendar-appointment-bg: rgba(0, 119, 182, 0.14);
  --calendar-pos-color: #b35b00;
  --calendar-pos-bg: rgba(255, 172, 28, 0.2);
  --calendar-membership-color: #5a3be7;
  --calendar-membership-bg: rgba(138, 96, 255, 0.2);
  --calendar-event-bg: var(--surface-muted);
  --calendar-border: var(--border-soft);
}

:root[data-theme-mode='dark'] {
  --calendar-appointment-bg: rgba(168, 139, 255, 0.18);
  --calendar-appointment-color: #e3dcff;
  --calendar-pos-bg: rgba(255, 194, 120, 0.28);
  --calendar-pos-color: #ffd8a1;
  --calendar-membership-bg: rgba(152, 119, 255, 0.25);
  --calendar-membership-color: #ede6ff;
  --calendar-event-bg: rgba(36, 29, 54, 0.65);
  --calendar-border: rgba(116, 95, 181, 0.4);
}

html {
  font-family: var(--font-sans);
}

body.theme-transition {
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--surface-canvas);
  color: var(--text-primary);
  transition: background-color var(--theme-transition), color var(--theme-transition);
}

.app-shell {
  flex: 1 1 auto;
  min-height: 100vh;
  background: var(--surface-canvas);
}

.app-sidebar {
  width: 280px;
  padding: 1.5rem 1.25rem;
  background: var(--surface-raised);
  border-right: 1px solid var(--border-subtle);
  position: relative;
  z-index: 1020;
  transition: transform var(--theme-transition), background var(--theme-transition);
}

.sidebar-header {
  margin-bottom: 1.5rem;
}

.sidebar-brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  text-decoration: none;
}

.sidebar-brand:hover,
.sidebar-brand:focus {
  text-decoration: none;
  color: var(--accent);
}

.sidebar-nav .nav-link {
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.65rem 0.75rem;
  display: flex;
  align-items: center;
  transition: background-color 200ms ease, color 200ms ease;
}

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link:focus,
.sidebar-nav .nav-link.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.sidebar-footer {
  padding-top: 1.5rem;
}

.app-main {
  background: var(--surface-canvas);
}

.app-topbar {
  background: var(--surface-elevated);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1010;
}

.app-content {
  padding: 2.5rem 2.5rem 1.5rem;
}

.app-footer {
  background: var(--surface-elevated);
}

.avatar-circle {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

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

body.sidebar-open::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(10, 12, 24, 0.45);
  z-index: 1010;
}

@media (max-width: 991.98px) {
  .app-shell {
    position: relative;
  }

  .app-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    transform: translateX(-100%);
    max-width: 260px;
    height: 100vh;
    overflow-y: auto;
  }

  .app-topbar {
    padding-inline: 1.25rem;
  }

  .app-content {
    padding: 1.5rem 1.25rem;
  }
}

a {
  color: var(--accent);
  transition: color 180ms ease;
}

a:hover,
a:focus {
  color: var(--accent-strong);
}

main.flex-grow-1 {
  flex: 1 1 auto;
}

.subtle-border {
  border-color: var(--border-subtle) !important;
}

.navbar-brand {
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.glass-nav {
  background: var(--nav-background);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--theme-transition), border-color var(--theme-transition);
  --bs-navbar-color: var(--text-secondary);
  --bs-navbar-hover-color: var(--text-primary);
  --bs-navbar-brand-color: var(--text-primary);
  --bs-navbar-brand-hover-color: var(--text-primary);
}

.glass-nav .navbar-toggler {
  border-color: var(--border-soft);
  transition: border-color var(--theme-transition);
}

.glass-nav .navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem var(--accent-soft);
}

.glass-nav .navbar-toggler-icon {
  background-image: var(--navbar-toggler-icon);
}

.navbar .nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 200ms ease;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus,
.navbar .nav-link.active {
  color: var(--text-primary);
}

.btn-outline-contrast {
  --bs-btn-color: var(--outline-button-color);
  --bs-btn-border-color: var(--outline-button-border);
  --bs-btn-hover-bg: var(--outline-button-hover-bg);
  --bs-btn-hover-border-color: var(--outline-button-hover-border);
  --bs-btn-active-bg: var(--outline-button-active-bg);
  --bs-btn-active-border-color: var(--outline-button-active-border);
  --bs-btn-focus-shadow-rgb: var(--outline-button-focus-rgb);
}

.btn-primary {
  --bs-btn-bg: var(--accent);
  --bs-btn-border-color: var(--accent);
  --bs-btn-hover-bg: var(--accent-strong);
  --bs-btn-hover-border-color: var(--accent-strong);
  --bs-btn-active-bg: var(--accent);
  --bs-btn-active-border-color: var(--accent);
  --bs-btn-color: #fff;
  --bs-btn-shadow: 0 12px 24px var(--accent-glow);
  border-radius: var(--radius-sm);
  box-shadow: var(--bs-btn-shadow, 0 12px 32px rgba(0, 0, 0, 0.2));
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
}

.hero-banner {
  position: relative;
  overflow: hidden;
  background: var(--hero-gradient);
  color: var(--hero-text);
}

.hero-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.16), transparent 55%),
    radial-gradient(circle at bottom left, rgba(255, 255, 255, 0.12), transparent 45%);
  opacity: 0.6;
  pointer-events: none;
}

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

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--eyebrow-color);
}

.material-card {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  background: var(--surface-elevated);
  color: var(--text-primary);
  transition: transform 260ms ease, box-shadow 260ms ease, background var(--theme-transition);
}

.material-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
}

.material-card .card-body {
  padding: 1.75rem;
}

.badge {
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-soft {
  background-color: var(--accent-soft);
  color: var(--accent);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.45rem;
}

.feature-tile {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  background: var(--surface-raised);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.feature-tile:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.16);
}

.directory-card .stretched-link {
  color: var(--accent);
}

.directory-card .stretched-link:hover {
  color: var(--accent-strong);
}

.section-title {
  max-width: 640px;
}

.section-title p {
  color: var(--text-secondary);
}

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

.surface-spotlight {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--surface-spotlight);
  padding: 1px;
}

.surface-spotlight > .card {
  border-radius: calc(var(--radius-lg) - 1px);
}

.theme-preview {
  border-radius: var(--radius-md);
  padding: 1.5rem;
  background: var(--surface-raised);
  border: 1px solid var(--border-soft);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.theme-preview:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.theme-preview strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.page-header {
  max-width: 720px;
}

.page-lead {
  font-size: 1.05rem;
}

.avatar-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 1.05rem;
}

.theme-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--chip-text);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.dashboard-sections .material-card {
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
}

.dashboard-chart {
  width: 100%;
  height: 160px;
}

.dashboard-chart svg {
  width: 100%;
  height: 100%;
}

.dashboard-chart .chart-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linecap: round;
}

.dashboard-chart .chart-area {
  fill: var(--accent-soft);
  stroke: none;
}

.table thead th {
  color: var(--text-muted-strong);
  border-color: var(--border-soft);
}

.table tbody td {
  border-color: var(--border-soft);
  color: var(--text-secondary);
}

.table tbody tr:hover {
  background-color: var(--surface-muted);
}

.list-unstyled li {
  color: var(--text-secondary);
}

footer {
  color: var(--text-secondary);
  background: var(--surface-muted);
}

.calendar-filters .form-label {
  font-weight: 600;
}

.calendar-event__badge {
  background-color: var(--accent-soft);
  color: var(--accent);
  letter-spacing: 0.08em;
}

.calendar-event__details {
  border-top: 1px solid var(--border-soft);
  padding-top: 1rem;
}

.calendar-event__details summary {
  cursor: pointer;
  color: var(--accent);
  outline: none;
}

.calendar-event__details summary::marker {
  color: var(--accent);
}

.calendar-event__details[open] summary {
  margin-bottom: 0.75rem;
}

.calendar-app {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.calendar-toolbar__title {
  min-width: 220px;
}

.calendar-grid {
  border: 1px solid var(--calendar-border);
  border-radius: var(--radius-md);
  background: var(--calendar-event-bg);
  overflow-x: auto;
}

.calendar-grid__header,
.calendar-grid__body {
  display: grid;
  grid-template-columns: repeat(7, minmax(120px, 1fr));
}

.calendar-grid__header span {
  padding: 0.75rem 0.5rem;
  text-align: center;
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted-strong);
  background: var(--surface-muted);
  border-bottom: 1px solid var(--calendar-border);
}

.calendar-grid__body {
  grid-auto-rows: minmax(120px, 1fr);
}

.calendar-grid__cell {
  padding: 0.75rem;
  border-right: 1px solid var(--calendar-border);
  border-bottom: 1px solid var(--calendar-border);
  min-height: 120px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  background: var(--surface-elevated);
  transition: background-color 200ms ease;
}

.calendar-grid__cell:nth-child(7n) {
  border-right: none;
}

.calendar-grid__cell:nth-last-child(-n + 7) {
  border-bottom: none;
}

.calendar-grid__cell.is-outside {
  background: var(--surface-muted);
  color: var(--text-secondary);
}

.calendar-grid__cell.is-today {
  box-shadow: inset 0 0 0 2px var(--accent-soft);
}

.calendar-grid__date {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  color: var(--text-primary);
}

.calendar-grid__date-number {
  font-size: 1rem;
}

.calendar-grid__events {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.calendar-event-pill {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.35rem;
  width: 100%;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--calendar-event-bg);
  border-left: 0.35rem solid var(--accent);
  color: var(--text-primary);
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  text-align: left;
  cursor: pointer;
  transition: background-color 200ms ease, transform 160ms ease;
}

.calendar-event-pill:focus,
.calendar-event-pill:hover {
  outline: none;
  transform: translateY(-1px);
  background: var(--accent);
  color: #fff;
}

.calendar-event-pill--appointment {
  border-color: var(--calendar-appointment-color);
  background: var(--calendar-appointment-bg);
  color: var(--calendar-appointment-color);
}

.calendar-event-pill--pos {
  border-color: var(--calendar-pos-color);
  background: var(--calendar-pos-bg);
  color: var(--calendar-pos-color);
}

.calendar-event-pill--membership {
  border-color: var(--calendar-membership-color);
  background: var(--calendar-membership-bg);
  color: var(--calendar-membership-color);
}

.calendar-event-pill__time {
  font-weight: 600;
}

.calendar-event-pill__time:empty {
  display: none;
}

.calendar-event-pill__title {
  flex: 1 1 auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calendar-more {
  border: none;
  background: transparent;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  text-align: left;
  padding: 0;
  cursor: pointer;
}

.calendar-more:hover,
.calendar-more:focus {
  text-decoration: underline;
}

.calendar-detail {
  border: 1px solid var(--calendar-border);
  border-radius: var(--radius-md);
  background: var(--calendar-event-bg);
  padding: 1.25rem;
}

.calendar-detail__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.calendar-detail__body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.calendar-detail__event {
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
  padding: 1rem;
  box-shadow: inset 0 0 0 1px var(--calendar-border);
}

.calendar-detail__event h4 {
  color: var(--text-primary);
}

.calendar-timeline .material-card {
  box-shadow: none;
  border: 1px solid var(--calendar-border);
}

@media (max-width: 767.98px) {
  .calendar-toolbar__title {
    min-width: auto;
  }

  .calendar-grid__header,
  .calendar-grid__body {
    grid-template-columns: repeat(7, minmax(90px, 1fr));
  }

  .calendar-grid__cell {
    min-height: 100px;
  }
}

[data-theme-color='royal'] {
  background: linear-gradient(135deg, #6c3ef8, #b57bff);
}

[data-theme-color='serene'] {
  background: linear-gradient(135deg, #00b4d8, #90e0ef);
}

[data-theme-color='ember'] {
  background: linear-gradient(135deg, #ff7a18, #ffce00);
}






@media (max-width: 991.98px) {
  .glass-nav {
    background: var(--nav-background-mobile, var(--nav-background));
  }

  .navbar .nav-link {
    padding: 0.6rem 0;
  }

  .theme-menu {
    min-width: 220px;
  }
}

@media (min-width: 992px) {
  .hero-banner .display-5 {
    font-size: 3rem;
  }
}