@import url("https://fonts.googleapis.com/css2?family=Fredoka:wght@300..700&display=swap");

/* Chessnut - Common Styles */

/* ===== CSS VARIABLES ===== */
:root {
  /* Brand colors (homepage palette) */
  --color-primary: #e3fffe;
  --color-secondary: #63502c;
  --color-secondary-dark: #422009;
  --color-secondary-light: #e3664a;
  --color-secondary-lightest: #ffd1af;

  /* Accent colors (admin/app palette) */
  --color-accent: #667eea;
  --color-accent-light: #7c8ff0;
  --color-accent-dark: #764ba2;
  --color-accent-dark-hover: #8658aa;
  --color-accent-hover: #5a6fd8;
  --color-accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --color-accent-gradient-vertical: linear-gradient(
    180deg,
    var(--color-accent) 0%,
    var(--color-accent-dark) 100%
  );

  /* Neutral colors */
  --color-gray: #343a40;
  --color-gray-light: #dee2e6;
  --color-gray-lighter: #e9ecef;
  --color-gray-lightest: #f8f9fa;
  --color-text-light: #f8f9fa;
  --color-text-muted: #6c757d;
  --color-text-muted-alt: #7f8c8d;
  --color-text-muted-dark: #5c636a;
  --color-text-dark: #2c3e50;
  --color-border: #ced4da;
  --color-background: #fbfbfb;

  /* Semantic colors */
  --color-success: #28a745;
  --color-success-hover: #218838;
  --color-success-bg: #d4edda;
  --color-success-text: #155724;
  --color-danger: #dc3545;
  --color-danger-hover: #bb2d3b;
  --color-danger-bg: #f8d7da;
  --color-danger-text: #721c24;
  --color-info: #17a2b8;
  --color-info-bg: #d1ecf1;
  --color-info-text: #0c5460;
  --color-warning: #ffc107;
  --color-warning-bg: #fff3cd;
  --color-warning-text: #856404;

  /* Layout */
  --header-block-size: 80px;
  --header-font-size: 18px;

  /* Component */
  --border-radius: 0.375rem;
  --border-radius-lg: 15px;
}

/* ===== RESET & BASIC STYLES ===== */
* {
  box-sizing: border-box;
}

/* ===== SECTION LAYOUT ===== */
.section {
  inline-size: 100%;
}

.section-inner {
  max-inline-size: 1200px;
  margin: 0 auto;
  padding-inline: 20px;
}

body {
  font-family: "Fredoka", sans-serif;
  background: var(--color-accent-gradient);
  min-height: 100vh;
  margin: 0;
  padding: 0;
  overflow-x: hidden; /* Only prevent horizontal scrolling */
}

/* ===== LAYOUT CONTAINERS ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.main-content {
  background: white;
  min-height: 100vh;
}

.header-bar {
  inline-size: 100%;
  block-size: var(--header-block-size);
  box-shadow:
    0px 4px 4px 0px #00000040,
    0px 4px 4px 0px #00000040 inset;
  background-color: var(--color-primary);
  position: fixed;
  z-index: 100;

  &:not(&:has(#login-btn)) {
    position: fixed;
    z-index: 100;
  }

  .section-inner {
    block-size: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;

    .logo {
      block-size: 81%;
      margin-inline-start: -20px;

      img {
        block-size: 100%;
        inline-size: auto;
      }
    }

    .actions {
      display: flex;
      align-items: center;
      gap: 1rem;
      font-size: var(--header-font-size);

      a,
      a:active,
      a:visited {
        color: var(--color-secondary);
        text-decoration: none;
      }
    }
  }
}

#welcome-section {
  padding-block-start: var(--header-block-size);
}

.welcome-section {
  min-height: 100vh;
  background: white;
  padding: 0;
  padding-top: 0;
  overflow-x: hidden;
}

.benefits-section {
  background: var(--color-gray-lightest);
}

.admin-dashboard {
  background: var(--color-accent-gradient);
  min-height: 100vh;
  padding-top: 100px;
  padding-bottom: 40px;
}

/* ===== CARDS ===== */
.admin-card,
.lesson-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--border-radius-lg);
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

.lesson-card {
  padding: 2rem;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  cursor: pointer;
  width: 100%;
}

.lesson-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* ===== LESSON STYLES ===== */
.lesson-card .lesson-play-btn,
.lesson-grid .lesson-play-btn {
  background: var(--color-accent-gradient);
  border: none;
  border-radius: 25px;
  padding: 0.75rem 2rem;
  color: white;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 0.8rem;
}

.lesson-card .lesson-play-btn:hover,
.lesson-grid .lesson-play-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.lesson-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-text-dark);
  margin-bottom: 1rem;
  flex-grow: 1;
}

.lesson-description {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.lesson-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.lesson-item .completion-badge {
  font-size: 0.7rem;
  margin-left: 0.2rem;
  line-height: 1;
  vertical-align: middle;
  display: inline;
}

.completion-status {
  text-align: right;
}

.lesson-completed {
  border-left: 4px solid var(--color-success);
  background-color: #f8fff9;
}

.lesson-completed .lesson-play-btn {
  border-color: var(--color-success);
  color: var(--color-success);
}

.lesson-completed .lesson-play-btn:hover {
  background-color: var(--color-success);
  color: white;
}

.lesson-category {
  margin-bottom: 0.5rem;
  padding: 0.25rem 0;
}

.lesson-category small {
  font-weight: 500;
}

/* ===== GRIDS ===== */
.lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem 0;
}

.lesson-grid-empty {
  grid-column: 1 / -1;
}

/* ===== VISIBILITY HELPERS ===== */
.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

.alert-hidden {
  display: none !important;
}

/* Toast styles live in components/toast-notification/toast-notification.css */

/* ===== FORMS ===== */
.pgn-code-display {
  max-height: 400px;
  overflow-y: auto;
}

/* ===== ALERTS & MESSAGES ===== */
.error-message {
  background: var(--color-danger);
  color: white;
  padding: 15px;
  border-radius: 8px;
  margin: 10px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  font-weight: 500;
  text-align: center;
  min-width: 300px;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablet and below */
@media (max-width: 991.98px) {
  .admin-dashboard {
    padding-top: 80px;
  }

  .main-content {
    padding-top: 70px;
  }
}

@media (max-width: 767.98px) {
  .admin-dashboard {
    padding-top: 70px;
  }

  .main-content {
    padding-top: 60px;
  }

  .welcome-section {
    padding-top: calc(60px + 1.5rem);
  }

  .lesson-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1rem;
  }

  .welcome-section {
    padding: 0;
  }

  .welcome-section h1 {
    font-size: 2rem;
  }

  .lesson-card {
    padding: 1.5rem;
  }

  .lesson-title {
    font-size: 1.3rem;
  }
}

@media (max-width: 575.98px) {
  .admin-dashboard {
    padding-top: 65px;
  }

  .main-content {
    padding-top: 56px;
  }

  .welcome-section {
    padding-top: calc(56px + 1rem);
  }

  .admin-card,
  .lesson-card {
    padding: 15px;
    margin-bottom: 15px;
  }

  .container {
    padding-left: 10px;
    padding-right: 10px;
  }

  .welcome-section h1 {
    font-size: 1.75rem;
  }

  .welcome-section .lead {
    font-size: 1rem;
  }

  .lesson-description {
    font-size: 0.9rem;
  }
}

/* Very small screens */
@media (max-width: 400px) {
  .gallery-img {
    height: 150px;
  }
}

/* ===== LESSONS TREE STYLES ===== */

.lessons-tree-container {
  padding: 0;
  max-width: 100%;
}

.category-tree,
.subcategories,
.lessons-list {
  list-style: none;
  padding-left: 0;
}

.subcategories {
  margin-left: 0.8rem;
  margin-top: 0.3rem;
}

.lessons-list {
  margin-left: 0.6rem;
  margin-top: 0.3rem;
}

.category-node {
  margin-bottom: 0.4rem;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.6rem;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  border-left: 3px solid rgba(255, 255, 255, 0.4);
  margin-bottom: 0.3rem;
  cursor: pointer;
  transition: all 0.2s ease;
  color: white;
}

.category-header:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateX(2px);
}

.lesson-count {
  margin-left: auto;
  font-size: 0.65rem;
  padding: 0.1rem 0.35rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
}

.category-icon {
  font-size: 0.85rem;
}

.category-name {
  font-weight: 600;
  color: white;
  font-size: 0.85rem;
}

.lesson-item {
  margin-bottom: 0.35rem;
  padding: 0.35rem 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  transition: all 0.2s ease;
}

.lesson-item:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transform: translateX(2px);
  background: rgba(255, 255, 255, 0.15);
}

.lesson-item.lesson-completed {
  background: rgba(40, 167, 69, 0.2);
  border-color: rgba(40, 167, 69, 0.5);
}

.lesson-item .lesson-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.3rem;
  color: white;
}

.lesson-item .lesson-icon {
  font-size: 0.65rem;
  line-height: 1;
  vertical-align: middle;
}

.lesson-item .lesson-title {
  flex: 1;
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1;
  margin: 0;
  padding: 0;
  vertical-align: middle;
}

.lesson-item .lesson-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.empty-tree {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  margin: 1rem 0;
  padding: 2rem 1rem;
  border: 2px dashed rgba(255, 255, 255, 0.3);
  text-align: center;
  color: white;
}

.empty-icon {
  opacity: 0.5;
  font-size: 2rem;
}

.uncategorized-section {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1rem;
  margin-top: 1rem;
}

.uncategorized-title {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.no-lessons-message {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  margin: 1rem 0;
  padding: 2rem 1rem;
  border: 2px dashed rgba(255, 255, 255, 0.3);
  text-align: center;
  color: white;
}

.no-lessons-message .empty-icon {
  opacity: 0.5;
}

/* Lesson play button styling in sidebar */
.lesson-item .lesson-play-btn {
  padding: 0.1rem 0.3rem;
  font-size: 0.65rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-accent);
  font-weight: 600;
  transition: all 0.2s ease;
  white-space: nowrap;
  vertical-align: middle;
}

.lesson-item .lesson-play-btn:hover {
  background: white !important;
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.lesson-item.lesson-completed .lesson-play-btn {
  background: rgba(40, 167, 69, 0.2) !important;
  border-color: rgba(40, 167, 69, 0.5) !important;
  color: var(--color-success) !important;
}

.lesson-item.lesson-completed .lesson-play-btn:hover {
  background: rgba(40, 167, 69, 0.3) !important;
}

/* Responsive adjustments for lessons tree */
@media (max-width: 767.98px) {
  .lessons-tree-container {
    padding: 0;
  }

  .subcategories {
    margin-left: 0.75rem;
  }

  .lessons-list {
    margin-left: 0.5rem;
  }

  .category-header {
    padding: 0.5rem 0.6rem;
    flex-wrap: wrap;
  }

  .lesson-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .lesson-actions {
    align-self: flex-end;
    width: 100%;
  }

  .lesson-play-btn {
    width: 100%;
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
  }

  .lesson-count {
    margin-left: 0.5rem;
    margin-top: 0.25rem;
  }
}

/* ===== COLLAPSIBLE CATEGORIES ===== */

.category-header {
  user-select: none;
}

.collapsible-content {
  overflow: hidden;
  transition:
    max-height 0.3s ease-out,
    opacity 0.2s ease-out;
  max-height: 100000px;
  opacity: 1;
}

.category-node.collapsed .collapsible-content {
  max-height: 0;
  opacity: 0;
  margin: 0;
  padding: 0;
}

.admin-lessons-table .btn-group {
  gap: 0.25rem;
}
.admin-lessons-table {
  table-layout: fixed;
  width: 100%;
}
.admin-lessons-table td:nth-child(3),
.admin-lessons-table th:nth-child(3) {
  width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pagination .page-item.active .page-link {
  font-weight: 600;
}

/* ===== ADMIN FORM STYLES ===== */

.admin-pgn-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===== OAUTH2 COMPLETION PAGE ===== */

.completion-success {
  text-align: center;
}
.completion-success-icon {
  color: var(--color-success);
  margin-bottom: 1rem;
}

.oauth2-complete-body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: var(--color-gray-lightest);
}

.completion-container {
  text-align: center;
  padding: 2rem;
}

.completion-container .spinner-border {
  width: 3rem;
  height: 3rem;
}

.completion-container .error-message {
  color: var(--color-danger);
  margin-top: 1rem;
}

/* ===== ANIMATIONS ===== */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ===== UTILITIES ===== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

/* ===== SPINNER ===== */
.spinner-border {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  border: 0.25em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  color: var(--color-accent);
}
.spinner-border-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.2em;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: all 0.15s ease;
  box-sizing: border-box;
}
.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  color: white;
}
.btn-secondary {
  background: var(--color-text-muted);
  border-color: var(--color-text-muted);
  color: white;
}
.btn-secondary:hover {
  background: var(--color-text-muted-dark);
  color: white;
}
.btn-danger {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: white;
}
.btn-danger:hover {
  background: var(--color-danger-hover);
  color: white;
}
.btn-outline-light {
  border-color: white;
  color: white;
  background: transparent;
}
.btn-outline-light:hover {
  background: white;
  color: #333;
}
.btn-outline-secondary {
  border-color: var(--color-text-muted);
  color: var(--color-text-muted);
  background: transparent;
}
.btn-outline-secondary:hover {
  background: var(--color-text-muted);
  color: white;
}
.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  border-radius: 0.25rem;
}
.btn-lg {
  padding: 0.5rem 1rem;
  font-size: 1.25rem;
  border-radius: 0.5rem;
}
.btn-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: inherit;
  line-height: 1;
  padding: 0.25rem;
}
.btn-close:empty::after {
  content: "×";
}

/* ===== ALERTS ===== */
.alert {
  padding: 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}
.alert-success {
  background: var(--color-success-bg);
  color: var(--color-success-text);
  border-left: 4px solid var(--color-success);
}
.alert-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger-text);
  border-left: 4px solid var(--color-danger);
}
.alert-info {
  background: var(--color-info-bg);
  color: var(--color-info-text);
  border-left: 4px solid var(--color-info);
}
.alert-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
  border-left: 4px solid var(--color-warning);
}

/* ===== FORM CONTROLS ===== */
.form-control {
  display: block;
  width: 100%;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: white;
  box-sizing: border-box;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}
.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.form-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
  display: block;
}
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.form-check-input {
  margin-top: 0.25rem;
  flex-shrink: 0;
}

/* ===== DIALOG ===== */
dialog {
  border: none;
  border-radius: var(--border-radius-lg);
  padding: 0;
  max-width: min(90vw, 600px);
  width: 100%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}
.dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.25rem 0.75rem;
  background: var(--color-accent-gradient);
  color: white;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}
.dialog-header h5 {
  margin: 0;
  font-size: 0.9rem;
}
.dialog-body {
  padding: 1.5rem;
  overflow-y: auto;
  max-height: 70vh;
}
.dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-gray-lighter);
}
.dialog-footer.empty {
  display: none;
}

/* ===== TABLE ===== */
.table {
  width: 100%;
  border-collapse: collapse;
}
.table th,
.table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--color-gray-light);
  text-align: left;
}
.table thead {
  background: var(--color-gray);
  color: white;
}
.table thead th {
  color: white;
}
.table-responsive {
  overflow-x: auto;
}
.table-striped tbody tr:nth-child(odd) {
  background: var(--color-gray-lightest);
}
.table-hover tbody tr:hover {
  background: var(--color-gray-lighter);
}
thead.table-dark {
  background: var(--color-gray);
  color: white;
}

/* ===== CENTERED PAGE CONTENT ===== */
.page-centered-content {
  padding-top: var(--header-block-size);
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-bottom: 2rem;
}
.page-centered-content > .admin-card {
  width: 100%;
  max-width: 600px;
  margin: 2rem 1rem;
  text-align: center;
}

/* ===== STATUS ICONS ===== */
.status-icon {
  font-size: 4rem;
  display: block;
  margin-bottom: 1rem;
}
.status-icon.status-success {
  color: var(--color-success);
}
.status-icon.status-danger {
  color: var(--color-danger);
}

/* ===== CONFIRMATION PAGE ===== */
.confirmation-features {
  display: flex;
  text-align: center;
}
.confirmation-features > div {
  flex: 1;
}
.confirmation-actions {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ===== STATS PAGE ===== */
.stats-header {
  text-align: center;
  margin-bottom: 1.5rem;
}
.stats-header h2 {
  color: var(--color-accent);
  font-size: 1.75rem;
}
.stats-header p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}
.col-right {
  text-align: right;
}
.empty-state {
  text-align: center;
  padding: 3rem 0;
  color: var(--color-text-muted);
}
.empty-state-icon {
  display: block;
  margin: 0 auto 1rem;
}

/* ===== ADMIN CARD HEADER ===== */
.admin-card-header {
  text-align: center;
  margin-bottom: 1.5rem;
}
.admin-card-header h2 {
  color: var(--color-accent);
}
.admin-card-header p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

/* ===== BUTTON GROUP ===== */
.btn-group {
  display: flex;
  gap: 0.5rem;
}

/* ===== ADMIN FORM GRID ===== */
.admin-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr 1fr;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.admin-form-pgn-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
}
@media (max-width: 767.98px) {
  .admin-form-row {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 575.98px) {
  .admin-form-row {
    grid-template-columns: 1fr;
  }
  .admin-form-pgn-row {
    grid-template-columns: 1fr;
  }
}

/* ===== PASSWORD RESET PAGE ===== */
.password-reset-container {
  padding-top: var(--header-block-size);
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-bottom: 2rem;
}
.password-reset-inner {
  width: 100%;
  max-width: 500px;
  padding: 2rem 1rem;
}
.password-reset-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  text-align: center;
}
.password-reset-title {
  color: var(--color-accent);
  text-align: center;
  margin-bottom: 1rem;
}
.password-reset-subtitle {
  color: var(--color-text-muted);
  text-align: center;
}
.password-reset-tip-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.875rem;
}
.steps-card {
  padding: 1rem;
}
.steps-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.btn-block {
  width: 100%;
  margin-bottom: 1rem;
}
.security-note {
  margin-top: 1.5rem;
}
.required-asterisk {
  color: var(--color-danger);
}

/* ===== ALERT CONTENT LAYOUT ===== */
.alert-content {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

/* ===== STEP BADGE ===== */
.step-badge {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  border-radius: 50%;
  width: 1.5rem;
  height: 1.5rem;
  text-align: center;
  line-height: 1.5rem;
  margin-right: 0.5rem;
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* ===== FORM GROUP ===== */
.form-group {
  margin-bottom: 1rem;
}

/* ===== LESSON VIEW MODAL ===== */
#lesson-view-modal dialog {
  max-width: min(90vw, 800px);
}

/* ===== LESSON VIEW CATEGORY BADGE ===== */
.category-badge {
  background: var(--color-accent);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}
.no-category {
  color: var(--color-text-muted);
}

/* ===== PGN CODE DISPLAY ===== */
.pgn-code-block {
  background: var(--color-gray-lightest);
  padding: 1rem;
  border: 1px solid var(--color-gray-light);
  border-radius: 4px;
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  gap: 0.25rem;
}
.page-item .page-link {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  color: var(--color-accent);
  text-decoration: none;
  cursor: pointer;
}
.page-item .page-link:hover {
  background: var(--color-gray-lighter);
}
.page-item.active .page-link {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
  font-weight: 600;
}

/* ===== LOADING SPINNER ===== */
#loading-spinner .spinner-border {
  color: white;
}
#admin-lesson-spinner .spinner-border {
  color: white;
}
.spinner-center {
  text-align: center;
}

/* Toast styles live in components/toast-notification/toast-notification.css */

/* ===== DROPDOWN ===== */
.nav-dropdown {
  position: relative;
}
.nav-dropdown .dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  background: white;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: var(--border-radius);
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  min-width: 200px;
  padding: 0.5rem 0;
  z-index: 1000;
  list-style: none;
  margin: 0;
}
.nav-dropdown.open .dropdown-menu {
  display: block;
}
.dropdown-item {
  display: block;
  padding: 0.375rem 1rem;
  color: var(--color-gray);
  text-decoration: none;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-size: 1rem;
}
.dropdown-item:hover {
  background: var(--color-gray-lightest);
}
.dropdown-divider {
  height: 0;
  margin: 0.5rem 0;
  border-top: 1px solid var(--color-gray-light);
}
.dropdown-toggle::after {
  content: " ▾";
  font-size: 0.75em;
}

/* ===== INPUT GROUP ===== */
.input-group {
  display: flex;
  align-items: stretch;
  margin-bottom: 0.5rem;
}
.input-group .form-control {
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  flex: 1;
}
.input-group .btn {
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: 0.25em 0.5em;
  font-size: 0.75em;
  font-weight: 600;
  border-radius: var(--border-radius);
}
.badge-secondary,
.bg-secondary {
  background: var(--color-text-muted);
  color: white;
}
.bg-primary {
  background: var(--color-accent);
  color: white;
}
.bg-success {
  background: var(--color-success);
  color: white;
}
.bg-danger {
  background: var(--color-danger);
  color: white;
}
.bg-warning {
  background: var(--color-warning);
  color: var(--color-gray);
}
.bg-info {
  background: var(--color-info);
  color: white;
}

/* ===== CARD ===== */
.card {
  background: white;
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}
.card-body {
  padding: 1.25rem;
}
.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* ===== MISC UTILITIES ===== */
.btn-success {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}
.btn-success:hover {
  background: var(--color-success-hover);
  color: white;
}
.btn-outline-dark {
  border-color: var(--color-gray);
  color: var(--color-gray);
  background: transparent;
}
.btn-outline-dark:hover {
  background: var(--color-gray);
  color: white;
}
.btn-link {
  background: none;
  border: none;
  color: var(--color-accent);
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}
.btn-link:hover {
  color: var(--color-accent-hover);
}
.btn-outline-danger {
  border-color: var(--color-danger);
  color: var(--color-danger);
  background: transparent;
}
.btn-outline-danger:hover {
  background: var(--color-danger);
  color: white;
}
.btn-outline-primary {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: transparent;
}
.btn-outline-primary:hover {
  background: var(--color-accent);
  color: white;
}
.separator {
  display: flex;
  align-items: center;
  margin: 1rem 0;
}
.separator hr {
  flex: 1;
}
.separator span {
  margin: 0 1rem;
  color: var(--color-text-muted);
}
.w-100 {
  width: 100%;
}
.text-danger {
  color: var(--color-danger);
}
.text-muted {
  color: var(--color-text-muted);
}
.text-dark {
  color: var(--color-text-dark);
}
.text-center {
  text-align: center;
}
.fw-bold {
  font-weight: 700;
}
.small {
  font-size: 0.875rem;
}
.border-bottom {
  border-bottom: 1px solid var(--color-gray-light);
}
.alert-heading {
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.d-flex {
  display: flex;
}
.d-grid {
  display: grid;
}
.align-items-center {
  align-items: center;
}
.justify-content-between {
  justify-content: space-between;
}
.justify-content-center {
  justify-content: center;
}
.justify-content-evenly {
  justify-content: space-evenly;
}
.mb-0 {
  margin-bottom: 0;
}
.mb-2 {
  margin-bottom: 0.5rem;
}
.mb-3 {
  margin-bottom: 1rem;
}
.mt-2 {
  margin-top: 0.5rem;
}
.mt-3 {
  margin-top: 1rem;
}
.me-3 {
  margin-inline-end: 1rem;
}
.pb-3 {
  padding-bottom: 1rem;
}
.p-1 {
  padding: 0.25rem;
}
.p-4 {
  padding: 1.5rem;
}

/* ===== PROFILE STYLES ===== */
.profile-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 575.98px) {
  .profile-grid {
    grid-template-columns: 1fr;
  }
}
.profile-field label {
  font-weight: bold;
  display: block;
  margin-bottom: 0.25rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}
.profile-field p {
  margin: 0;
}

/* ===== FOOTER ===== */
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copy {
  margin: 0;
  font-size: 0.875rem;
}
.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===== LEADERBOARD MODAL ===== */
#leaderboardModal dialog {
  max-width: min(90vw, 800px);
}

/* ===== TRAINING LEADERBOARD TABLE ===== */
.training-leaderboard th:nth-child(1),
.training-leaderboard td:nth-child(1) {
  width: 80px;
}
.training-leaderboard th:nth-child(3),
.training-leaderboard td:nth-child(3) {
  width: 120px;
}
.training-leaderboard th:nth-child(4),
.training-leaderboard td:nth-child(4) {
  width: 120px;
}
.training-leaderboard th:nth-child(5),
.training-leaderboard td:nth-child(5) {
  width: 120px;
}
.training-leaderboard th:nth-child(6),
.training-leaderboard td:nth-child(6) {
  width: 100px;
}

/* ===== PROFILE SAVE BUTTON ===== */
#profile-save-btn.htmx-request .spinner-border {
  display: inline-block !important;
}
#profile-save-btn.htmx-request .btn-text {
  opacity: 0.7;
}
#profile-save-btn.htmx-request {
  pointer-events: none;
}

/* ===== GOOGLE BUTTON ===== */
.google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
}