/*
 * Component - Training Sessions
 * Real-time training session components with performance indicators
 *
 * Following Rails conventions and design principles:
 * - Dark theme optimized for focus
 * - Performance-first approach
 * - Real-time update indicators
 * - Accessible work rate visualization
 */

/* Section Title - Like page-title but smaller */
.section-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text);
  text-align: center;
  line-height: 1.2;
  margin-block-end: var(--space-sm);
}

.section-title-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.4em;
  height: 1.4em;
  padding: 0 0.4em;
  border-radius: 999px;
  font-size: 0.55em;
  font-weight: 700;
  background: color-mix(in oklch, var(--invalid) 20%, transparent);
  color: var(--invalid);
  vertical-align: middle;
  margin-left: 0.4em;
}


.session-work-rate {
  flex-shrink: 0;
  font-size: var(--text-xl);
  font-weight: 800;
  line-height: 1;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  min-width: 3rem;
  text-align: center;
}

/* Session Detail Card - Show Page */
.session-detail-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-xl);
}

.session-detail-header {
  padding: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.session-detail-player-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
  align-self: center;
}

.session-detail-player-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

@media (any-hover: hover) {
  .session-detail-player-link:hover .session-detail-player-name {
    color: var(--accent);
  }
}

.session-detail-player-name {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.session-detail-player-avatar {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
}

.session-detail-player-avatar .player-photo,
.session-detail-player-avatar .player-photo-placeholder {
  width: 3rem;
  height: 3rem;
}

.session-detail-player-avatar .player-photo-placeholder .placeholder-icon {
  width: 55%;
  height: 55%;
}

.session-detail-work-rate {
  flex-shrink: 0;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  min-width: 5rem;
  text-align: center;
  text-decoration: none;
}

.session-detail-work-rate-number {
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1;
}

.session-detail-work-rate-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
  margin-top: var(--space-xs);
}

/* Session prev/next navigation */
.session-nav {
  position: fixed;
  bottom: 0;
  left: var(--sidebar-width);
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg);
  padding-bottom: calc(var(--space-sm) + var(--safe-inset-bottom));
  background: color-mix(in srgb, var(--bg) 97.5%, transparent);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  z-index: 50;
}

@media (max-width: 767px) {
  .session-nav {
    bottom: calc(var(--nav-height-mobile) + var(--safe-inset-bottom));
    left: 0;
    padding-bottom: var(--space-sm);
  }

  .training-session-page {
    padding-bottom: 5rem;
  }
}

.session-nav-context {
  font-size: var(--text-sm);
  color: var(--text-light);
  font-weight: 500;
}

.session-nav-link--disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

.session-nav-prev,
.session-nav-next {
  min-width: 5rem;
}

.icon--flip {
  transform: scaleX(-1);
}

.session-nav-next {
  text-align: right;
  display: flex;
  justify-content: flex-end;
}

.session-detail-section {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--border);
  background: var(--accent-bg);
}

.session-detail-section-content {
  font-size: var(--text-base);
  color: var(--text);
  line-height: 1.6;
  white-space: pre-wrap;
}

/* ============================================================
   Trend Feature Styles
   ============================================================ */

/* --- Form: 3-button pill toggle --- */
.trend-toggle {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.trend-option {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex: 1;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-light);
  background: transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast), opacity var(--transition-fast);
  user-select: none;
}

.trend-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

@media (any-hover: hover) {
  .trend-option:hover {
    border-color: var(--accent);
    color: var(--text);
  }
}

.trend-option:active {
  opacity: 0.85;
  transition-duration: var(--btn-active-transition);
}

/* Selected states using :has() — no JS needed */
.trend-option--worse:has(input:checked) {
  background: oklch(from var(--invalid) l c h / 0.15);
  border-color: var(--invalid);
  color: var(--invalid);
}

.trend-option--same:has(input:checked) {
  background: color-mix(in oklch, var(--same) 15%, transparent);
  border-color: var(--same);
  color: var(--same);
}

.trend-option--better:has(input:checked) {
  background: oklch(var(--lch-valid) / 0.15);
  border-color: var(--valid);
  color: var(--valid);
}

/* --- Session Card: trend indicator --- */
.session-trend {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}


.session-trend--better {
  color: var(--valid);
  background: oklch(var(--lch-valid) / 0.15);
}

.session-trend--same {
  color: var(--same);
  background: color-mix(in oklch, var(--same) 15%, transparent);
}

.session-trend--worse {
  color: var(--invalid);
  background: oklch(from var(--invalid) l c h / 0.15);
}

/* --- Trend icon colors (display contexts only, not form) --- */
.session-trend .trend-icon--better {
  color: var(--valid);
}

.session-trend .trend-icon--same {
  color: var(--same);
}

.session-trend .trend-icon--worse {
  color: var(--invalid);
}

.dist-bar-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-lighter);
  margin-bottom: var(--space-xs);
}

.dist-window-label {
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
}

.dist-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  padding: 2px var(--space-xs);
  cursor: pointer;
  color: var(--text-lighter);
  border-radius: var(--radius-full);
  min-height: unset;
  min-width: unset;
  width: auto;
  height: auto;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.dist-toggle-btn .icon {
  width: var(--icon-xs);
  height: var(--icon-xs);
}

@media (any-hover: hover) {
  .dist-toggle-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: none;
  }
}

.dist-toggle-btn--active {
  color: var(--accent);
  border-color: var(--accent);
}

/* Sessions section headings - Upcoming / History split */
.sessions-section {
  margin-bottom: var(--space-xl);
}

.sessions-section:last-child {
  margin-bottom: 0;
}

/* ============================================================
   Sessions Filter Bar
   ============================================================ */

.sessions-filters {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.sessions-filters-search {
  flex: 1;
  min-width: 200px;
}

/* Pre-session banner - shown on player profile when an upcoming session has a plan */
.pre-session-banner {
  border-left: 3px solid var(--accent);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-lg);
  background: color-mix(in oklch, var(--accent) 6%, transparent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.pre-session-banner-date {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.pre-session-banner-plan {
  font-size: var(--text-sm);
  color: var(--text-light);
  line-height: 1.5;
}

/* (flatpickr schedule calendar styles removed) */

/* No Show - session card and detail card */
.session-detail-card--no-show {
  opacity: 0.75;
}

.session-detail-no-show-badge {
  flex-shrink: 0;
}

/* Private Notes - session detail section variant */
.session-detail-section--private {
  background: var(--bg);
}

.session-detail-section--private .form-section-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Work rate lives in the stat strip; hide the header badge everywhere */
.session-detail-work-rate--header {
  display: none;
}

/* Mobile improvements for session detail */
@media (max-width: 767px), (hover: none) and (pointer: coarse) {
  .training-session-page .page-header--form-bar {
    display: none;
  }
}

@media (max-width: 640px) {
  .session-detail-header {
    padding: var(--space-lg);
    gap: var(--space-sm);
  }

  .session-detail-player-name {
    font-size: var(--text-xl);
  }

  .session-detail-work-rate {
    padding: var(--space-sm) var(--space-md);
    min-width: 4rem;
  }

  .session-detail-work-rate-number {
    font-size: var(--text-3xl);
  }

  .session-detail-section {
    padding: var(--space-md) var(--space-lg);
  }


  .session-nav .btn {
    min-height: 44px;
    min-width: 44px;
  }
}

/* ============================================================================
   Today Page
   ============================================================================ */

.today-status-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.today-status-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.today-status-chip--to-log {
  background: color-mix(in oklch, var(--accent) 15%, transparent);
  color: var(--accent);
}

.today-status-chip--logged {
  background: color-mix(in oklch, var(--valid) 15%, transparent);
  color: var(--valid);
}

.today-tomorrow-preview {
  font-size: var(--text-sm);
  color: var(--text-lighter);
  margin-top: var(--space-lg);
  text-align: center;
}

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-sm);
  min-block-size: 2.25rem;
}