/* ==========================================================
   components.css — Reusable UI components
   True Jiu Jitsu Online

   Buttons → Forms → Cards → Search →
   Filter Pills → Playlist Item → Modal
   ========================================================== */


/* ==========================
   BUTTONS
   ========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 12px 28px;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast),
              color var(--transition-fast),
              transform var(--transition-fast),
              box-shadow var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn:active { transform: translateY(1px); }

/* Primary — red CTA */
.btn--primary {
  background: var(--color-red);
  color: var(--color-white);
}
.btn--primary:hover {
  background: var(--color-red-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-red);
}

/* Secondary — outlined */
.btn--secondary {
  background: transparent;
  color: var(--color-off-white);
  border: 1px solid var(--color-mid-gray);
}
.btn--secondary:hover {
  border-color: var(--color-gray);
  color: var(--color-white);
  background: var(--color-dark-gray);
}

/* Ghost — minimal */
.btn--ghost {
  background: transparent;
  color: var(--color-gray);
  padding: 8px 16px;
}
.btn--ghost:hover {
  color: var(--color-white);
}

/* Danger — destructive actions */
.btn--danger {
  background: transparent;
  color: var(--color-red-accessible);
  border: 1px solid var(--color-red);
}
.btn--danger:hover {
  background: var(--color-red);
  color: var(--color-white);
}

/* Size variants */
.btn--sm { padding: 8px 18px; font-size: var(--text-xs); }
.btn--lg { padding: 16px 36px; font-size: var(--text-base); }

/* Full width */
.btn--block { width: 100%; }

/* Loading state */
.btn--loading {
  pointer-events: none;
  opacity: 0.7;
}


/* ==========================
   FORMS
   ========================== */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form__label {
  font-size: var(--text-sm);
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gray);
}

.form__input,
.form__select,
.form__textarea {
  background: var(--color-dark);
  border: 1px solid var(--color-mid-gray);
  border-radius: var(--border-radius);
  color: var(--color-off-white);
  padding: 12px 16px;
  font-size: var(--text-base);
  transition: border-color var(--transition-fast);
  width: 100%;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-red);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-gray);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form__hint {
  font-size: var(--text-xs);
  color: var(--color-gray);
}

.form__error {
  font-size: var(--text-xs);
  color: var(--color-red-accessible);
}


/* ==========================
   CONTENT CARD
   Used in catalogue grid for videos, articles, and playlists
   ========================== */
.content-card {
  background: var(--color-dark);
  border: 1px solid var(--color-mid-gray);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast),
              transform var(--transition-fast),
              box-shadow var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.content-card:hover {
  border-color: var(--color-gray);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.content-card__thumbnail {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--color-dark-gray);
  position: relative;
}

/* Play icon overlay on video card thumbnails */
.content-card__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.content-card:hover .content-card__play {
  opacity: 1;
}

.content-card__play-icon {
  width: 52px;
  height: 52px;
  background: var(--color-red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.content-card__play-icon svg {
  width: 20px;
  height: 20px;
  fill: var(--color-white);
  margin-left: 3px;   /* optical center for play triangle */
}

.content-card__body {
  padding: var(--space-lg);
}

.content-card__type {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray);
  margin-bottom: var(--space-xs);
}

.content-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.3;
}

.content-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-gray);
}

/* Green checkmark when completed */
.content-card__completed {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--color-success);
  font-size: var(--text-xs);
}


/* ==========================
   PLAYLIST ITEM
   Row in the playlist detail view
   ========================== */
.playlist-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-dark);
  border: 1px solid var(--color-mid-gray);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: border-color var(--transition-fast),
              background var(--transition-fast);
  text-decoration: none;
}

.playlist-item:hover {
  border-color: var(--color-gray);
  background: var(--color-dark-gray);
}

/* Highlight the currently playing item */
.playlist-item--active {
  border-color: var(--color-red);
  background: rgba(196, 30, 42, 0.08);
}

.playlist-item__position {
  font-size: var(--text-sm);
  color: var(--color-gray);
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.playlist-item__thumbnail {
  width: 80px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--border-radius);
  flex-shrink: 0;
  background: var(--color-dark-gray);
}

.playlist-item__info {
  flex: 1;
  min-width: 0;
}

.playlist-item__title {
  font-size: var(--text-sm);
  color: var(--color-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.playlist-item__meta {
  font-size: var(--text-xs);
  color: var(--color-gray);
}


/* ==========================
   SEARCH BAR
   ========================== */
.search {
  position: relative;
  flex: 1;
  max-width: 360px;
}

.search__input {
  width: 100%;
  background: var(--color-dark);
  border: 1px solid var(--color-mid-gray);
  border-radius: 100px;
  color: var(--color-off-white);
  padding: 10px 16px 10px 40px;
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast);
}

.search__input:focus {
  outline: none;
  border-color: var(--color-gray);
}

.search__icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  stroke: var(--color-gray);
  fill: none;
  pointer-events: none;
}


/* ==========================
   FILTER PILLS
   Category filter tabs in the catalogue
   ========================== */
.filter-pills {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.filter-pill {
  padding: 6px 16px;
  border-radius: 100px;
  font-size: var(--text-sm);
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid var(--color-mid-gray);
  background: transparent;
  color: var(--color-gray);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill:hover {
  border-color: var(--color-gray);
  color: var(--color-white);
}

.filter-pill--active {
  background: var(--color-red);
  border-color: var(--color-red);
  color: var(--color-white);
}


/* ==========================
   PROGRESS BAR
   Linear progress for playlist completion
   ========================== */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-mid-gray);
  border-radius: 100px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: var(--color-success);
  border-radius: 100px;
  transition: width var(--transition-med);
}


/* ==========================
   MODAL
   Generic overlay modal
   ========================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-med);
}

.modal-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-dark);
  border: 1px solid var(--color-mid-gray);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(12px);
  transition: transform var(--transition-med);
}

.modal-overlay.is-open .modal {
  transform: translateY(0);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.modal__title {
  font-size: var(--text-2xl);
  text-transform: none;
  letter-spacing: 0;
}

.modal__close {
  background: none;
  border: none;
  color: var(--color-gray);
  cursor: pointer;
  /* Explicit size so the × is easy to tap on mobile too */
  font-size: var(--text-xl);
  line-height: 1;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  flex-shrink: 0;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.modal__close:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.06);
}


/* ==========================
   CONTENT CARD EXTRAS
   Additional styles for catalogue-specific card states
   ========================== */

/* Placeholder when no thumbnail is set */
.content-card__thumbnail--placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--color-dark-gray), var(--color-mid-gray));
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Progress ring positioned in the bottom-right of the thumbnail */
.content-card__ring {
  position: absolute;
  bottom: var(--space-sm);
  right: var(--space-sm);
  background: rgba(10, 10, 10, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Completed checkmark badge — top right of thumbnail */
.content-card__complete-badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
}

/* Watch progress bar for continue watching cards */
.content-card__watch-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-mid-gray);
}

.content-card__watch-fill {
  height: 100%;
  background: var(--color-red);
  transition: width var(--transition-med);
}

/* Continue watching grid — slightly smaller cards */
.catalogue__grid--continue {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}


/* ==========================
   CATALOGUE LOADING OVERLAY
   ========================== */
.catalogue-loading {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-black);
  z-index: 500;
}


.upload-zone {
  border: 2px dashed var(--color-mid-gray);
  border-radius: var(--border-radius-lg);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast),
              background var(--transition-fast);
}

.upload-zone:hover,
.upload-zone.is-dragging {
  border-color: var(--color-red);
  background: rgba(196, 30, 42, 0.04);
}

.upload-zone__icon {
  width: 48px;
  height: 48px;
  stroke: var(--color-gray);
  fill: none;
  margin: 0 auto var(--space-md);
}

.upload-zone__label {
  font-size: var(--text-sm);
  color: var(--color-gray);
  margin-bottom: var(--space-sm);
}

.upload-zone__label strong {
  color: var(--color-red-accessible);
}

.upload-zone__hint {
  font-size: var(--text-xs);
  color: var(--color-gray);
  opacity: 0.7;
}

/* Progress bar inside the upload zone */
.upload-zone__progress {
  margin-top: var(--space-lg);
  display: none;
}

.upload-zone__progress.is-visible {
  display: block;
}