/* =============================================
   TT Club Manager — Base Styles (site.css)
   ============================================= */

/* --- CSS Reset (Modern Normalize) --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd {
  margin: 0;
}

ul, ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: inherit;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

/* --- Design Tokens (Custom Properties) --- */
:root {
  /* Colors — Teal accent */
  --color-primary: #177a7a;
  --color-primary-hover: #126868;
  --color-secondary: #6b8a85;
  --color-accent: #4dc9b0;
  --color-success: #30d158;
  --color-warning: #ff9f0a;
  --color-error: #ff453a;

  --color-bg: #ecf6f3;
  --color-bg-secondary: #f8fcfb;
  --color-input-bg: #ffffff;

  color-scheme: light;
  --color-surface: rgba(248, 253, 251, 0.82);
  --color-text: #1a2f2b;
  --color-text-secondary: #486661;
  --color-text-inverse: #f0f4f3;
  --color-border: rgba(0, 0, 0, 0.08);

  /* Primary glass tints */
  --color-primary-glass: rgba(23, 122, 122, 0.24);
  --color-primary-glow: rgba(23, 122, 122, 0.16);

  /* Spacing — Comfortable scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 0.75rem;
  --space-lg: 1.125rem;
  --space-xl: 1.5rem;
  --space-2xl: 2.25rem;
  --space-3xl: 3rem;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.8125rem;
  --font-size-sm: 0.9375rem;
  --font-size-base: 1.0625rem;
  --font-size-lg: 1.1875rem;
  --font-size-xl: 1.375rem;
  --font-size-2xl: 1.625rem;
  --font-size-3xl: 2.125rem;
  --font-size-4xl: 2.625rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height: 1.5;
  --line-height-tight: 1.2;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Animation */
  --entrance-duration: 0.4s;
  --entrance-stagger: 0.06s;
  --skeleton-shimmer-duration: 1.8s;

  /* Layout */
  --sidebar-width: 240px;
  --header-height: 84px;
  --content-max-width: 1200px;
}

/* --- Dark Mode Tokens --- */
[data-theme="dark"] {
  --color-primary: #3cc4c4;
  --color-primary-hover: #5ed4d4;
  --color-secondary: #8fa5a0;
  --color-accent: #6dddc5;
  --color-success: #32d74b;
  --color-warning: #ff9f0a;
  --color-error: #ff453a;

  --color-bg: #111f26;
  --color-bg-secondary: #1a2e35;
  --color-input-bg: #1e3a44;
  --color-surface: rgba(26, 46, 53, 0.72);

  color-scheme: dark;
  --color-text: #f0f4f3;
  --color-text-secondary: #8fa5a0;
  --color-text-inverse: #0f2027;
  --color-border: rgba(255, 255, 255, 0.08);

  /* Primary glass tints (dark) */
  --color-primary-glass: rgba(60, 196, 196, 0.18);
  --color-primary-glow: rgba(60, 196, 196, 0.10);
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme]) {
    --color-primary: #3cc4c4;
    --color-primary-hover: #5ed4d4;
    --color-secondary: #8fa5a0;
    --color-accent: #6dddc5;
    --color-success: #32d74b;
    --color-warning: #ff9f0a;
    --color-error: #ff453a;
    --color-bg: #111f26;
    --color-bg-secondary: #1a2e35;
    --color-input-bg: #1e3a44;
    --color-surface: rgba(26, 46, 53, 0.72);

    color-scheme: dark;
    --color-text: #f0f4f3;
    --color-text-secondary: #8fa5a0;
    --color-text-inverse: #0f2027;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-primary-glass: rgba(60, 196, 196, 0.18);
    --color-primary-glow: rgba(60, 196, 196, 0.10);
  }

  html:not([data-theme]) body {
    background: linear-gradient(160deg, #0f2027 0%, #143d4a 35%, #1a3a35 65%, #0d1b2a 100%);
  }
}

/* --- Base Styles --- */
html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height);
  color: var(--color-text);
  /* Gradient canvas so glass blur has depth to refract */
  background: linear-gradient(160deg, #dceee8 0%, #d6e9f3 35%, #deefe6 65%, #e8f1f7 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

[data-theme="dark"] body {
  background: linear-gradient(160deg, #0f2027 0%, #143d4a 35%, #1a3a35 65%, #0d1b2a 100%);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

h1:focus {
  outline: none;
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

/* --- Section Heading with Icon --- */
.section-heading-with-icon {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.section-heading-with-icon svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

/* --- Layout: App Shell --- */
.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
}

.app-header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  height: var(--header-height);
  padding: 0 var(--space-lg);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(28px) saturate(2.2);
  -webkit-backdrop-filter: blur(28px) saturate(2.2);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
  z-index: 100;
}

.app-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 0;
  text-decoration: none;
  color: inherit;
}

.app-header__brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.app-header__icon-shell {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--glass-bg) 40%, transparent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.app-header__icon {
  width: 3.25rem;
  height: 3.25rem;
  flex-shrink: 0;
}

.app-header__title {
  font-size: clamp(var(--font-size-lg), 2.5vw, var(--font-size-2xl));
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  letter-spacing: -0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-header__vision {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.3;
}

.app-header__context-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) calc(var(--space-md) + 0.15rem) var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  background: var(--color-primary-glass);
  border: 1px solid color-mix(in srgb, var(--color-primary) 25%, transparent);
  white-space: nowrap;
  max-width: 220px;
  text-decoration: none;
  transition: background var(--transition-speed) var(--transition-ease);
  cursor: pointer;
}

.app-header__context-pill:hover,
.app-header__context-pill:focus-visible {
  background: color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.app-header__context-firstname {
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-header__context-initials {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.app-header__spacer {
  flex: 1;
}

/* --- Mobile sidebar scrim --- */
.sidebar-scrim {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 89;
  opacity: 0;
  transition: opacity var(--transition-base, 250ms ease);
}

.sidebar-scrim.open {
  display: block;
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .sidebar-scrim {
    transition: none;
  }
}

.app-sidebar {
  grid-row: 2;
  grid-column: 1;
  padding: var(--space-lg) 0;
  background: var(--glass-bg, rgba(255, 255, 255, 0.68));
  backdrop-filter: blur(var(--glass-blur-md, 20px)) saturate(var(--glass-saturate, 1.8));
  -webkit-backdrop-filter: blur(var(--glass-blur-md, 20px)) saturate(var(--glass-saturate, 1.8));
  border-right: var(--glass-border, 1px solid rgba(255, 255, 255, 0.20));
  overflow-y: auto;
}

.app-main {
  grid-row: 2;
  grid-column: 2;
  padding: var(--space-xl);
  overflow-y: auto;
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
}

.app-main__content {
  max-width: var(--content-max-width);
  margin: 0 auto;
  flex: 1 0 auto;
  width: 100%;
}

/* --- Mobile hamburger toggle --- */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: calc(var(--space-sm) + 0.1rem);
  margin-right: var(--space-sm);
  color: var(--color-text);
  font-size: 2rem;
  line-height: 1;
}

/* --- Responsive Breakpoints --- */

/* Tablet: collapse sidebar behind toggle */
@media (max-width: 1023px) {
  .app-layout {
    grid-template-columns: 1fr;
  }

  .app-sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: 90;
    box-shadow: var(--shadow-lg);
  }

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

  .nav-toggle {
    display: block;
  }

  .app-main {
    grid-column: 1;
  }
}

/* Mobile: smaller padding */
@media (max-width: 767px) {
  .app-main {
    padding: var(--space-md);
  }

  .app-header {
    padding: 0 var(--space-md);
  }

  .app-header__icon-shell {
    width: 4.5rem;
    height: 4.5rem;
  }

  .app-header__icon {
    width: 3.3rem;
    height: 3.3rem;
  }

  .app-header__context-separator {
    display: none;
  }

  .app-header__context-firstname {
    display: none;
  }

  .app-header__vision {
    display: none;
  }

  .app-header__title {
    max-width: 200px;
  }

  h1 { font-size: var(--font-size-2xl); }
  h2 { font-size: var(--font-size-xl); }
}

/* Narrow mobile: tighter header */
@media (max-width: 400px) {
  .app-header {
    gap: var(--space-xs);
  }

  .app-header__brand {
    gap: var(--space-sm);
  }

  .app-header__icon-shell {
    width: 4rem;
    height: 4rem;
  }

  .app-header__icon {
    width: 2.9rem;
    height: 2.9rem;
  }

  .app-header__title {
    max-width: 7rem;
    font-size: var(--font-size-md, 1rem);
  }

  .app-header__context-pill {
    padding: var(--space-xs) var(--space-sm);
  }

  .nav-toggle {
    padding: var(--space-sm);
    margin-right: var(--space-xs);
    font-size: 1.85rem;
  }
}

/* --- Utility: Validation --- */
.valid.modified:not([type=checkbox]) {
  outline: 1px solid var(--color-success);
}

.invalid {
  outline: 1px solid var(--color-error);
}

.form-group input[aria-invalid="true"],
.form-group select[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
  border-color: var(--color-error);
}

.validation-message {
  color: var(--color-error);
  font-size: var(--font-size-sm);
}

/* --- Blazor Error Boundary --- */
.blazor-error-boundary {
  background-color: var(--color-error);
  padding: var(--space-md) var(--space-lg);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
}

.blazor-error-boundary::after {
  content: "An error has occurred.";
}

#blazor-error-ui {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-error);
  color: var(--color-text-inverse);
  text-align: center;
  z-index: 1000;
}

/* =============================================
   Shared Primitives — used by all pages
   ============================================= */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-spring);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
}

.btn:hover {
  transform: scale(1.03);
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

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

.btn-secondary {
  background: color-mix(in srgb, var(--glass-bg) 65%, transparent);
  backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.4);
  border: var(--glass-border, 1px solid rgba(255, 255, 255, 0.20));
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--glass-bg-hover, rgba(255, 255, 255, 0.82));
}

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

.btn-danger:hover {
  background-color: #e0392e;
}

.btn-danger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-xs);
}

/* Ghost button — transparent, icon-sized padding, for icon-only actions */
.btn-ghost {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  min-width: 2rem;
  min-height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  vertical-align: middle;
  appearance: none;
}

.btn-ghost:hover {
  background: color-mix(in srgb, var(--glass-bg) 65%, transparent);
  color: var(--color-text);
}

.btn-ghost--danger:hover {
  color: var(--color-error);
}

@media (forced-colors: active) {
  .btn {
    border: 2px solid ButtonBorder;
  }

  .btn:focus-visible {
    outline: 2px solid Highlight;
  }

  .btn-danger:disabled {
    opacity: 1;
    color: GrayText;
    border-color: GrayText;
  }

  .btn-ghost {
    border: 1px solid ButtonBorder;
  }

  .app-header__context-pill {
    border: 1px solid ButtonBorder;
    background: Canvas;
    color: CanvasText;
  }

  .app-header__context-initials {
    color: CanvasText;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn:hover,
  .btn:active {
    transform: none;
  }
}

/* Dark-mode button text: dark text on vibrant backgrounds for WCAG AA contrast */
[data-theme="dark"] .btn-primary,
[data-theme="dark"] .btn-primary:hover {
  color: var(--color-text-inverse);
}

[data-theme="dark"] .btn-danger,
[data-theme="dark"] .btn-danger:hover {
  color: var(--color-text-inverse);
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme]) .btn-primary,
  html:not([data-theme]) .btn-primary:hover {
    color: var(--color-text-inverse);
  }

  html:not([data-theme]) .btn-danger,
  html:not([data-theme]) .btn-danger:hover {
    color: var(--color-text-inverse);
  }
}

/* --- Form Groups --- */
.form-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.form-section h2 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0 0 var(--space-xs) 0;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  border: none;
  padding: 0;
  margin: 0;
}

.form-group label,
.form-group legend {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="text"],
.form-group input[type="number"],
.form-group input:not([type="checkbox"]):not([type="radio"]),
.form-group select,
.form-group textarea {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-input-bg);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-width: 0;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  padding-right: calc(var(--space-md) + 1.5em);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23555' d='M1.4 0L6 4.6 10.6 0 12 1.4 6 7.4 0 1.4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  background-size: 0.75em;
}

[data-theme="dark"] .form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23ccc' d='M1.4 0L6 4.6 10.6 0 12 1.4 6 7.4 0 1.4z'/%3E%3C/svg%3E");
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme]) .form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23ccc' d='M1.4 0L6 4.6 10.6 0 12 1.4 6 7.4 0 1.4z'/%3E%3C/svg%3E");
  }
}

.form-group textarea {
  resize: vertical;
  min-height: 5rem;
}

.form-group input:not([type="checkbox"]):not([type="radio"]):focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow:
    0 0 0 3px rgba(23, 122, 122, 0.18),
    inset 0 0 6px rgba(23, 122, 122, 0.10);
}

@media (forced-colors: active) {
  .form-group input:not([type="checkbox"]):not([type="radio"]):focus,
  .form-group select:focus,
  .form-group textarea:focus {
    outline: 2px solid Highlight;
    box-shadow: none;
  }

  .form-group input:not([type="checkbox"]):not([type="radio"]),
  .form-group select,
  .form-group textarea {
    background: Canvas;
    border: 1px solid ButtonBorder;
  }

  .form-group select {
    appearance: auto;
    -webkit-appearance: auto;
    background-image: none;
  }
}

/* Checkbox / radio groups */
.checkbox-group,
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.checkbox-group label,
.radio-group label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  color: var(--color-text);
  cursor: pointer;
}

.checkbox-group input[type="checkbox"],
.radio-group input[type="radio"] {
  width: 1rem;
  height: 1rem;
  cursor: pointer;
  accent-color: var(--color-primary);
}

/* Toggle switch (pill-shaped toggle used in filter bars, profile, etc.) */
.toggle-switch {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  user-select: none;
}

.toggle-switch input[type="checkbox"] {
  width: 0;
  height: 0;
  opacity: 0;
  position: absolute;
}

.toggle-switch__slider {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  border-radius: 12px;
  background: var(--color-border);
  transition: background 0.2s;
  flex-shrink: 0;
}

.toggle-switch__slider::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-bg);
  transition: transform 0.2s;
}

.toggle-switch input:checked + .toggle-switch__slider {
  background: var(--color-primary);
}

.toggle-switch input:checked + .toggle-switch__slider::after {
  transform: translateX(20px);
}

.toggle-switch input:focus-visible + .toggle-switch__slider {
  outline: 2px solid var(--color-focus, var(--color-primary));
  outline-offset: 2px;
}

.toggle-switch__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium, 500);
  color: var(--color-text);
  white-space: nowrap;
}

@media (forced-colors: active) {
  .toggle-switch__slider {
    border: 2px solid ButtonBorder;
  }
  .toggle-switch input:checked + .toggle-switch__slider {
    background: Highlight;
  }
  .toggle-switch__slider::after {
    background: ButtonText;
  }
}

/* --- Alerts --- */
.alert {
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}

.alert-success {
  background-color: rgba(48, 215, 75, 0.10);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.alert-error {
  background-color: rgba(255, 69, 58, 0.10);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

.alert-warning {
  background-color: rgba(255, 159, 10, 0.10);
  border: 1px solid var(--color-warning);
  color: var(--color-warning);
}

@media (forced-colors: active) {
  .alert {
    border: 1px solid ButtonBorder;
    background-color: Canvas;
    color: CanvasText;
  }
}

/* --- Page Intro --- */
.page-intro {
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--color-bg-glass-subtle, rgba(255, 255, 255, 0.04));
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

@media (forced-colors: active) {
  .page-intro {
    border: 1px solid CanvasText;
    background: Canvas;
    color: CanvasText;
  }
}

/* --- Status Badges --- */
.status-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1.4;
}

.status-badge--enabled,
.status-badge--member {
  background: color-mix(in srgb, rgba(48, 215, 75, 0.18) 80%, transparent);
  backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  color: var(--color-success);
}

.status-badge--disabled {
  background: color-mix(in srgb, rgba(255, 69, 58, 0.18) 80%, transparent);
  backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  color: var(--color-error);
}

.status-badge--guest {
  background: color-mix(in srgb, rgba(255, 159, 10, 0.18) 80%, transparent);
  backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  color: var(--color-warning);
}

/* Draft/Selected/All visibility badges */
.status-badge--draft {
  background: color-mix(in srgb, var(--color-border) 40%, transparent);
  backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  color: var(--color-text-secondary);
}

.status-badge--invited-existing-user {
  background: color-mix(in srgb, rgba(23, 122, 122, 0.18) 80%, transparent);
  backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  color: var(--color-primary);
}

.status-badge--selected {
  background: color-mix(in srgb, rgba(23, 122, 122, 0.18) 80%, transparent);
  backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  color: var(--color-primary);
}

.status-badge--all {
  background: color-mix(in srgb, rgba(48, 215, 75, 0.18) 80%, transparent);
  backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  color: var(--color-success);
}

/* Source badges */
.status-badge--master {
  background: color-mix(in srgb, rgba(23, 122, 122, 0.18) 80%, transparent);
  backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  color: var(--color-primary);
}

.status-badge--club {
  background: color-mix(in srgb, rgba(255, 159, 10, 0.18) 80%, transparent);
  backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  color: var(--color-warning);
}

/* Training session status badges */
.status-badge--planned {
  background: color-mix(in srgb, var(--color-border) 40%, transparent);
  backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  color: var(--color-text-secondary);
}

.status-badge--completed {
  background: color-mix(in srgb, rgba(48, 215, 75, 0.18) 80%, transparent);
  backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.2);
  color: var(--color-success);
}

@media (forced-colors: active) {
  .status-badge {
    border: 1px solid ButtonBorder;
    background: Canvas;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    color: CanvasText;
  }
}

/* --- Dialog --- */
.dialog-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  animation: dialog-overlay-in var(--transition-base) ease forwards;
}

.dialog {
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  width: min(480px, 95vw);
  max-height: 90vh;
  overflow-y: auto;
  /* Glass-elevated treatment */
  background: var(--glass-bg, rgba(255, 255, 255, 0.68));
  backdrop-filter: blur(var(--glass-blur-lg, 40px)) saturate(var(--glass-saturate, 1.8));
  -webkit-backdrop-filter: blur(var(--glass-blur-lg, 40px)) saturate(var(--glass-saturate, 1.8));
  border: var(--glass-border, 1px solid rgba(255, 255, 255, 0.20));
  box-shadow: var(--glass-shadow-elevated, 0 8px 40px rgba(0, 0, 0, 0.12));
  animation: dialog-in var(--transition-spring) forwards;
}

@keyframes dialog-overlay-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .dialog,
  .dialog-overlay {
    animation: none;
  }
}

/* ----- Skeleton shimmer keyframes ----- */
@keyframes skeleton-shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

@keyframes skeleton-fade-in {
  to { opacity: 1; }
}

/* ----- Page entrance animation utility ----- */
.page-entrance {
  display: contents;
}

.page-entrance > * {
  animation: fadeSlideIn var(--entrance-duration, 0.4s) ease both;
}

.page-entrance > *:nth-child(1) { animation-delay: 0s; }
.page-entrance > *:nth-child(2) { animation-delay: calc(var(--entrance-stagger, 0.06s) * 1); }
.page-entrance > *:nth-child(3) { animation-delay: calc(var(--entrance-stagger, 0.06s) * 2); }
.page-entrance > *:nth-child(4) { animation-delay: calc(var(--entrance-stagger, 0.06s) * 3); }
.page-entrance > *:nth-child(5) { animation-delay: calc(var(--entrance-stagger, 0.06s) * 4); }
.page-entrance > *:nth-child(6) { animation-delay: calc(var(--entrance-stagger, 0.06s) * 5); }

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .page-entrance > * {
    animation: none;
  }
}

@media (forced-colors: active) {
  .dialog {
    background: Canvas;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 2px solid ButtonBorder;
    box-shadow: none;
  }
}

.dialog h2 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-lg);
  color: var(--color-text);
}

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

.dialog-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.dialog-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .dialog-actions {
    flex-direction: column-reverse;
  }

  .dialog-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* --- Page header — back-button + h1, consistent across form pages ------ */
.page-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0;
}

@media (max-width: 480px) {
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* --- Form page wrapper — max-width centered flex column, standard spacing */
.form-page {
  max-width: 640px;
  width: 100%;
  margin-inline: auto;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

/* --- Form actions — right-aligned Save / Cancel bar -------------------- */
.form-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .form-actions {
    flex-direction: column-reverse;
  }

  .form-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* --- Table wrapper — clips border-radius that display:table can't do --- */
.table-wrapper {
  overflow: hidden;
  /* border-radius and glass effect come from .glass-card */
}

/* --- Data Table (replaces club-table / members-table) --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 0;
}

.data-table thead {
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--glass-bg) 45%, transparent);
}

.data-table th {
  text-align: left;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
}

.data-table td {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  vertical-align: middle;
}

.data-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
  background-color: color-mix(in srgb, var(--glass-bg) 35%, transparent);
}

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

/* Actions cell — flex wrap for buttons */
.actions-cell {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  align-items: center;
}

/* Card-per-row transform at mobile */
@media (max-width: 767px) {
  .data-table thead {
    display: none;
  }

  .data-table tbody tr {
    display: block;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    padding: var(--space-xs) 0;
  }

  .data-table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-sm);
    border: none;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-xs) var(--space-sm);
  }

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

  .data-table td::before {
    content: attr(data-label);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    flex-shrink: 0;
  }

  /* Actions cell: full width, no label, wrap buttons */
  .data-table td.actions-cell {
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .data-table td.actions-cell::before {
    display: none;
  }
}

/* --- Skip link --- */
.sr-only:not(:focus):not(:active) {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

/* --- Theme toggle button --- */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-text);
  font-size: var(--font-size-lg);
  line-height: 1;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.theme-toggle:hover {
  background-color: rgba(128, 128, 128, 0.16);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (max-width: 400px) {
  .theme-toggle {
    padding: var(--space-xs);
    font-size: var(--font-size-md, 1rem);
  }
}

@media (forced-colors: active) {
  .theme-toggle {
    border: 2px solid ButtonBorder;
  }

  .language-switch__flag {
    border: 1px solid ButtonBorder;
    background: Canvas;
  }

  .language-switch__flag.active {
    border: 2px solid Highlight;
  }

  .language-switch__flag:focus-visible {
    outline: 2px solid Highlight;
  }

  .nav-menu__section-toggle,
  .nav-menu__link {
    border: 1px solid ButtonBorder;
  }

  .nav-menu__link.active,
  .nav-menu__section-toggle:focus-visible,
  .nav-menu__link:focus-visible {
    outline: 2px solid Highlight;
    outline-offset: 2px;
  }

  .nav-menu__footer {
    border-top: 1px solid ButtonBorder;
  }
}

/* =============================================
   Key-Value Grid (shared detail primitive)
   ============================================= */

/* 2-column label-value grid — use with <dl class="kv-grid"><dt>/<dd> pairs */
.kv-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-sm) var(--space-lg);
  align-items: baseline;
}

.kv-grid dt {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
}

.kv-grid dd {
  margin: 0;
}

/* Card-style variant — items in auto-fill columns */
.kv-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: var(--space-md);
}

.kv-cards dt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xs);
}

.kv-cards dd {
  margin: 0;
  font-weight: var(--font-weight-medium);
}

@media (max-width: 480px) {
  .kv-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .kv-cards {
    grid-template-columns: 1fr;
  }
}

@media (forced-colors: active) {
  .kv-grid dt,
  .kv-grid dd,
  .kv-cards dt,
  .kv-cards dd {
    color: CanvasText;
  }
}

/* =============================================
   Shared Exercise Components
   ============================================= */

/* --- Hybrid Multi-Select Tag Chips --- */
.hybrid-multi-select__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.hybrid-multi-select__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  color: var(--color-primary);
}

.hybrid-multi-select__remove {
  padding: 2px;
  min-width: auto;
  min-height: auto;
}

.hybrid-multi-select__custom {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
  margin-top: var(--space-xs);
}

.hybrid-multi-select__custom input {
  flex: 1;
  min-width: 0;
}

/* --- List Editor --- */
.list-editor__items {
  list-style: decimal;
  padding-left: var(--space-lg);
  margin: 0 0 var(--space-sm);
}

.list-editor__item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) 0;
}

.list-editor__text {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.list-editor__add {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
}

.list-editor__add input {
  flex: 1;
  min-width: 0;
}

/* --- Exercise Filter Bar --- */
.exercise-filter-bar {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.exercise-filter-bar__filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-end;
}

.exercise-filter-bar__filters .form-group {
  min-width: 140px;
  flex: 1;
}

.exercise-filter-bar__toggle {
  margin-top: var(--space-sm);
  display: flex;
  align-items: center;
}

.exercise-filter-bar__search {
  flex: 2 !important;
  min-width: 200px !important;
}

.exercise-filter-bar__search-input {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--glass-bg) 65%, transparent);
  backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm, 10px)) saturate(1.4);
}

.exercise-filter-bar__search-input input {
  border: none;
  background: transparent;
  outline: none;
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  min-width: 0;
}

.exercise-filter-bar__search-input:focus-within {
  border-color: var(--color-primary);
  box-shadow:
    0 0 0 3px rgba(23, 122, 122, 0.18),
    inset 0 0 6px rgba(23, 122, 122, 0.10);
}

/* --- Exercise Cards --- */
.exercise-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.exercise-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.exercise-card__header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.exercise-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0;
  width: 100%;
  overflow-wrap: anywhere;
}

.exercise-card__badges {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  width: 100%;
}

.exercise-card__meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xs) var(--space-md);
  align-items: baseline;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  background: color-mix(in srgb, var(--glass-bg, var(--color-surface)) 40%, transparent);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  margin: 0;
}

.exercise-card__meta dt {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
}

.exercise-card__meta dd {
  margin: 0;
  color: var(--color-text);
}

.exercise-card__topics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  padding-top: var(--space-xs);
}

.exercise-card__topic {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  color: var(--color-primary);
}

.exercise-card__actions {
  display: flex;
  gap: var(--space-xs);
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  font-size: var(--font-size-sm);
}

.pagination__page-size {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-secondary);
}

.pagination__page-size-select {
  appearance: auto;
  background: var(--glass-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-xxs) var(--space-xs);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.pagination__page-size-select:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

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

.pagination__info {
  color: var(--color-text-secondary);
}

.exercise-form__section {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.exercise-form__section-heading {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}

/* --- Exercise Detail Page --- */
.exercise-detail {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.exercise-detail__header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
}

.exercise-detail__header-actions {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.exercise-detail__header h1 {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.exercise-detail__card {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.exercise-detail__section-heading {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}

.exercise-detail__description {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.exercise-detail__grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-sm) var(--space-lg);
  align-items: baseline;
}

.exercise-detail__grid-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.exercise-detail__grid-value {
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.exercise-detail__creator {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.exercise-detail__club-list {
  margin-top: var(--space-sm);
}

.exercise-detail__club-list ul {
  list-style: none;
  padding: 0;
  margin: var(--space-xs) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.exercise-detail__club-list li {
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.exercise-detail__hints {
  padding-left: var(--space-lg);
  margin: 0;
}

.exercise-detail__hints li {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  padding: var(--space-xs) 0;
}

.exercise-detail__footer {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* --- Reflow: 320px --- */
@media (max-width: 767px) {
  .exercise-filter-bar__filters {
    flex-direction: column;
  }

  .exercise-filter-bar__filters .form-group {
    min-width: 100%;
  }

  .exercise-cards {
    grid-template-columns: 1fr;
  }

  .exercise-detail__header {
    align-items: stretch;
  }

  .exercise-detail__header-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .exercise-detail__header-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .exercise-detail__grid {
    grid-template-columns: 1fr;
  }

}

@media (forced-colors: active) {
  .hybrid-multi-select__tag {
    border: 1px solid ButtonBorder;
    background: Canvas;
    color: CanvasText;
  }

  .exercise-card__topic {
    border: 1px solid ButtonBorder;
    background: Canvas;
    color: CanvasText;
  }

  .exercise-filter-bar__search-input {
    background: Canvas;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 1px solid ButtonBorder;
  }

  .exercise-filter-bar__search-input:focus-within {
    outline: 2px solid Highlight;
    box-shadow: none;
  }

  .exercise-detail__card {
    border: 1px solid ButtonBorder;
    background: Canvas;
  }

  .exercise-detail__grid-label,
  .exercise-detail__grid-value,
  .exercise-detail__description,
  .exercise-detail__section-heading,
  .exercise-detail__footer,
  .exercise-detail__creator,
  .exercise-form__section-heading {
    color: CanvasText;
  }
}