/* playlist-components.css */
/* Component-Based CSS Structure */

/* ========================================
   BASE COMPONENT STYLES
   ======================================== */

/* Base playlist container */
.playlist {
  --playlist-padding: var(--space-md);
  --playlist-gap: var(--space-md);
  position: relative;
  width: 100%;
}

.playlist__wrapper {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--playlist-gap);
  width: 100%;
}

.playlist__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

/* ========================================
   PLAYLIST HEADER COMPONENT
   ======================================== */

.playlist-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  border-radius: var(--radius-sm);
  padding: var(--playlist-padding);
  margin-bottom: var(--space-sm);
  border: 1px solid #34495e;
  color: white;
}

/* First row: playlist name + category badge */
.playlist-track-info-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  min-width: 0;
  overflow: hidden;
}

.mobile-header-row-1 {
  display: flex;
  width: 100%;
  overflow: hidden;
  min-width: 0;
  flex: 1 1 0%;
}

.mobile-header-row-1 .playlist-badge {
  overflow: visible;
  word-wrap: break-word;
  white-space: normal;
  min-width: 0;
  flex: 1 1 0%;
  box-sizing: border-box;
  margin-left: 0;
  max-width: 100%;
  line-height: 1.3;
}

.playlist-right-side-container {
  flex-shrink: 0;
  min-width: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-xs);
}

/* Second row: 3-column layout */
.playlist-header-second-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-sm);
  align-items: center;
  width: 100%;
}

.playlist-left-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  justify-self: start;
}

.playlist-center-progress {
  justify-self: center;
}

/* Header player controls styling */
.playlist-header-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.header-player-controls-row {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin: 0;
  padding: 0;
}

.header-player-btn {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  margin: 0;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.header-player-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
}

.header-player-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.header-player-btn.play-pause-btn,
.header-player-btn.play-btn {
  width: 36px;
  height: 36px;
  font-size: 1rem;
  background: linear-gradient(135deg, var(--color-primary), #0056b3);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.header-player-btn.play-pause-btn:hover:not(:disabled),
.header-player-btn.play-btn:hover:not(:disabled) {
  box-shadow: 0 0 20px rgba(0, 123, 255, 0.6);
}

.header-player-status {
  font-size: var(--size-xs);
  color: rgba(255, 255, 255, 0.8);
  margin-left: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.header-player-status.paused {
  color: var(--color-warning);
}

.mode-icon {
  display: inline;
  font-size: 1rem;
  flex-shrink: 0;
}

.mode-text {
  display: inline;
  font-size: var(--size-xs);
  font-weight: 500;
  white-space: nowrap;
}

.playlist-badge {
  font-size: var(--size-xxs);
  font-weight: 500;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: all 0.2s ease;
}

.playlist-badge:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.playlist-badge:active {
  transform: scale(0.95);
}

.playback-status-badge {
  font-size: var(--size-xxs);
  font-weight: 500;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  margin-right: var(--space-xs);
  white-space: nowrap;
}

.playback-status-badge.playing {
  background: var(--color-success);
  color: white;
}

.playback-status-badge.paused {
  background: var(--color-warning);
  color: #856404;
}

.playback-status-badge.locked {
  background: var(--color-danger);
  color: white;
}

.hierarchy-badge {
  font-size: var(--size-xxs);
  background: rgba(40, 167, 69, 0.1);
  color: var(--color-success);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid rgba(40, 167, 69, 0.2);
}

/* ========================================
   PLAYLIST SEQUENCE COMPONENT
   ======================================== */

.playlist-sequence-display {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  border: 1px solid rgba(0, 123, 255, 0.2);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  position: relative;
  overflow: hidden;
  min-height: 50px;
  width: 100%;
}

.sequence-slot {
  flex: 0 0 18%;
  overflow: hidden;
  white-space: nowrap;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  font-size: var(--size-sm);
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  position: relative;
}

.sequence-slot--current {
  background: rgba(0, 123, 255, 0.1);
  border: 1px solid rgba(0, 123, 255, 0.3);
  font-weight: 600;
  color: var(--color-primary);
}

.sequence-slot--past {
  color: #888;
  text-decoration: line-through;
  opacity: 0.7;
}

.sequence-slot--future {
  color: #888;
  opacity: 0.8;
}

.sequence-slot.empty {
  color: transparent;
}

/* Navigation buttons for playlist sequence */
.sequence-nav-btn {
  background: rgba(255, 255, 255, 0.7);
  border: 2px solid rgba(0, 123, 255, 0.3);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--color-primary);
  font-size: 1.2rem;
  font-weight: bold;
  flex-shrink: 0;
  margin: 0 var(--space-xs);
  opacity: 0.7;
}

.sequence-nav-btn:hover {
  opacity: 1;
  background: rgba(0, 123, 255, 0.1);
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.sequence-nav-btn:active {
  transform: scale(0.95);
  opacity: 1;
}

.sequence-nav-btn.disabled,
.sequence-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  background: rgba(128, 128, 128, 0.2);
  border-color: rgba(128, 128, 128, 0.3);
  color: #888;
  filter: grayscale(100%);
}

.sequence-nav-btn.disabled:hover,
.sequence-nav-btn:disabled:hover {
  transform: none;
  opacity: 0.3;
  background: rgba(128, 128, 128, 0.2);
  border-color: rgba(128, 128, 128, 0.3);
}

/* ========================================
   PLAYLIST CONTROLS COMPONENT
   ======================================== */

.playlist-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: rgba(23, 162, 184, 0.1);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(23, 162, 184, 0.2);
}

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

.playlist-controls__btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.playlist-track-count {
  font-family: monospace;
  font-weight: 600;
  color: var(--color-info);
  font-size: var(--size-sm);
}

/* ========================================
   TRACKABLE PROGRESS COMPONENTS
   ======================================== */

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

/* Binary controls */
.binary-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.trackable-checkbox-btn {
  background: rgba(40, 167, 69, 0.2);
  color: var(--color-success);
  border: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: var(--size-xs);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin: 0;
  width: auto;
  white-space: nowrap;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  min-width: 44px;
  min-height: 44px;
}

.trackable-checkbox-btn.completed {
  background: rgba(40, 167, 69, 0.3);
  color: var(--color-success);
}

.trackable-checkbox-btn:hover {
  background: rgba(40, 167, 69, 0.3);
  transform: scale(1.05);
}

.trackable-checkbox-btn:active {
  transform: scale(0.95);
}

/* Counter controls */
.trackable-counter-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.trackable-btn {
  background: var(--color-primary);
  color: white;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.trackable-btn:hover {
  background: #0056b3;
  transform: scale(1.1);
}

.trackable-btn:active {
  transform: scale(0.9);
}

.trackable-current {
  font-family: monospace;
  font-weight: 600;
  color: var(--color-primary);
  font-size: var(--size-sm);
  min-width: 80px;
  text-align: center;
  background: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  border: 1px solid rgba(0, 123, 255, 0.3);
}

/* Timer controls */
.progress-timer-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: rgba(23, 162, 184, 0.1);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(23, 162, 184, 0.2);
}

.timer-display {
  font-family: monospace;
  font-weight: 600;
  color: var(--color-info);
  font-size: var(--size-sm);
  min-width: 120px;
  text-align: center;
  background: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  border: 1px solid rgba(23, 162, 184, 0.3);
}

.timer-display.paused {
  color: var(--color-warning);
  background: rgba(255, 193, 7, 0.1);
}

.start-timer-btn {
  background: var(--color-info);
  color: white;
  border: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: var(--size-xs);
  cursor: pointer;
  transition: all 0.2s;
}

.start-timer-btn:hover {
  background: #138496;
  transform: scale(1.05);
}

.stop-timer-btn {
  background: var(--color-warning);
  color: white;
  border: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: var(--size-xs);
  cursor: pointer;
  transition: all 0.2s;
}

.stop-timer-btn:hover {
  background: #e0a800;
  transform: scale(1.05);
}

/* ========================================
   VISION THUMBNAIL COMPONENT
   ======================================== */

.vision-thumbnail-container {
  grid-row: 1 / -1;
  grid-column: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm);
}

.vision-thumbnail-card {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.vision-thumbnail-card:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 123, 255, 0.2);
  border-color: var(--color-primary);
}

.vision-thumbnail-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, 
    transparent 30%, 
    rgba(255, 255, 255, 0.1) 50%, 
    transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  pointer-events: none;
  z-index: 5;
}

.vision-thumbnail-card:hover::before {
  transform: translateX(100%);
}

.thumbnail-content {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.thumbnail-content img,
.thumbnail-content iframe,
.thumbnail-content video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-md) - 2px);
}

/* ========================================
   THUMBNAIL VISION CONTENT STATES - NEW
   ======================================== */

.thumbnail-vision-content-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  background: #f8f9fa;
  color: #666;
  font-size: var(--size-xxs);
  border-radius: calc(var(--radius-md) - 2px);
  text-align: center;
  line-height: 1.2;
}

.thumbnail-vision-content {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.thumbnail-vision-content img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-md) - 2px);
}

.thumbnail-youtube-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-md) - 2px);
}

.thumbnail-quote-content {
  font-size: var(--size-xxs);
  text-align: center;
  line-height: 1.2;
  padding: 0.5rem;
  color: var(--color-dark);
  font-weight: 600;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}

/* Progress states for thumbnails */
.vision-thumbnail-card.progress-low {
  filter: grayscale(80%) brightness(60%);
}

.vision-thumbnail-card.progress-medium {
  filter: grayscale(50%) brightness(80%);
}

.vision-thumbnail-card.progress-high {
  filter: grayscale(20%) brightness(90%);
}

.vision-thumbnail-card.progress-complete {
  filter: none;
  animation: thumbnailComplete 0.8s ease-out;
}

@keyframes thumbnailComplete {
  0% { 
    transform: scale(1) rotate(0deg); 
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }
  25% { 
    transform: scale(1.1) rotate(2deg); 
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.3);
    border-color: var(--color-success);
  }
  50% { 
    transform: scale(1.05) rotate(-1deg); 
    box-shadow: 0 12px 35px rgba(40, 167, 69, 0.4);
  }
  75% { 
    transform: scale(1.08) rotate(1deg); 
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.3);
  }
  100% { 
    transform: scale(1) rotate(0deg); 
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.2);
    border-color: var(--color-success);
  }
}

/* ========================================
   CONTEXT MODIFIERS
   ======================================== */

/* Main View Specific */
.playlist--main-view .playlist__wrapper {
  grid-template-columns: 120px 1fr;
}

.playlist--main-view .playlist-header {
  font-size: var(--size-sm);
}

/* Modal View Specific */
.playlist--modal-view .playlist__wrapper {
  display: flex;
  flex-direction: column;
}

.playlist--modal-view .playlist-header {
  font-size: var(--size-md);
  padding: var(--space-lg);
}

/* ========================================
   RESPONSIVE MODIFIERS
   ======================================== */

/* Mobile Layout */
.playlist--mobile .playlist__wrapper {
  grid-template-columns: 80px 1fr;
  grid-template-areas: 
    "thumbnail header"
    "progress controls"
    "sequence sequence";
}

.playlist--mobile .playlist-header {
  grid-area: header;
  flex-direction: column;
  gap: var(--space-xs);
}

.playlist--mobile .playlist-controls {
  grid-area: controls;
}

.playlist--mobile .playlist-sequence-display {
  grid-area: sequence;
  flex-direction: column;
  max-height: 200px;
  overflow-y: auto;
  overflow-x: hidden;
}

.playlist--mobile .sequence-slot {
  flex: 0 0 auto;
  width: 100%;
  min-height: 35px;
  white-space: normal;
  word-wrap: break-word;
  padding: var(--space-sm);
}

.playlist--mobile .sequence-nav-btn {
  position: static;
  width: 100%;
  height: 30px;
  font-size: 1rem;
  font-weight: bold;
  align-self: center;
  margin: var(--space-xs) 0;
}

.playlist--mobile .vision-thumbnail-card {
  width: 70px;
  height: 70px;
}

.playlist--mobile .header-player-btn {
  width: 24px;
  height: 24px;
  font-size: var(--size-xxs);
}

.playlist--mobile .header-player-btn.play-pause-btn,
.playlist--mobile .header-player-btn.play-btn {
  width: 28px;
  height: 28px;
  font-size: var(--size-xs);
}

/* Tablet Layout */
.playlist--tablet .playlist__wrapper {
  grid-template-columns: 100px 1fr;
}

.playlist--tablet .playlist-header__play-btn {
  width: 32px;
  height: 32px;
}

.playlist--tablet .vision-thumbnail-card {
  width: 80px;
  height: 80px;
}

/* Desktop Layout */
.playlist--desktop .playlist-sequence-display {
  flex-direction: row;
}

.playlist--desktop .sequence-slot {
  flex: 0 0 18%;
}

/* ========================================
   MOBILE SPECIFIC LAYOUTS
   ======================================== */

/* Mobile current slot with inline navigation */
.mobile-current-container {
  display: flex !important;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm);
  background: rgba(0, 123, 255, 0.1);
  border: 1px solid rgba(0, 123, 255, 0.3);
  border-radius: var(--radius-sm);
}

.mobile-slot-content {
  flex: 1;
  text-align: center;
  font-weight: 600;
  color: var(--color-primary);
  min-height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 60%;
  padding: 0 var(--space-sm);
}

.mobile-nav-btn {
  width: 32px !important;
  height: 32px !important;
  min-width: 32px;
  min-height: 32px;
  flex-shrink: 0;
  margin: 0 !important;
  font-size: 1rem;
  font-weight: bold;
}

.mobile-sequence-slot {
  min-height: 50px;
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
}

.mobile-sequence-slot.empty {
  opacity: 0.3;
  background: transparent;
}

.mobile-sequence-slot.past {
  background: rgba(108, 117, 125, 0.1);
  color: var(--color-gray);
}

.mobile-sequence-slot.future {
  background: rgba(0, 123, 255, 0.05);
  color: var(--color-gray);
  opacity: 0.8;
}

/* ========================================
   GRID CONTAINER LAYOUTS
   ======================================== */

.playlist-grid-container {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  grid-template-rows: 1fr;
  gap: var(--space-md);
  width: 100%;
  min-height: 120px;
}

.playlist-info-container {
  grid-row: 1;
  grid-column: 2;
  display: flex;
  flex: 1;
  align-items: center;
  min-width: 0;
}

/* Mobile grid adjustments */
@media (max-width: 768px) {
  .playlist-grid-container {
    display: grid;
    grid-template-columns: 80px 1fr;
    grid-template-rows: auto auto;
    gap: var(--space-sm);
    grid-template-areas: 
      "thumbnail header"
      "progress sequence";
    width: 100vw;
    max-width: 100vw;
    overflow: hidden;
    box-sizing: border-box;
  }
  
  .vision-thumbnail-container {
    grid-area: thumbnail;
  }
  
  .mobile-header-container {
    grid-area: header;
  }
  
  .mobile-sequence-container {
    grid-area: sequence;
  }
  
  .mobile-hierarchy {
    font-size: var(--size-xxs);
    background: rgba(40, 167, 69, 0.1);
    color: var(--color-success);
    padding: 2px 6px;
    border-radius: 3px;
    align-self: flex-start;
  }
}

/* ========================================
   ACCESSIBILITY & ANIMATIONS
   ======================================== */

/* Focus states */
.header-player-btn:focus,
.sequence-nav-btn:focus,
.trackable-btn:focus,
.trackable-checkbox-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .vision-thumbnail-card,
  .header-player-btn,
  .sequence-nav-btn,
  .trackable-btn,
  .trackable-checkbox-btn {
    transition: none;
  }
  
  .vision-thumbnail-card::before {
    display: none;
  }
  
  @keyframes thumbnailComplete {
    to { transform: none; }
  }
}