@import "./tokens.css";

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-8);
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--border-color);
  max-width: 100%;
  overflow: hidden;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.brand h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  white-space: nowrap;
}

.header-badges {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}

.badge-lowpower {
  color: var(--accent-break);
  border-color: var(--accent-break-light);
  background-color: var(--accent-break-light);
}

/* Layout Grid - minmax(0, 1fr) prevents long-title column blowouts */
.main-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-6);
  padding: var(--space-8);
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  flex: 1;
  min-width: 0;
}

@media (max-width: 960px) {
  .main-container {
    grid-template-columns: minmax(0, 1fr);
    padding: var(--space-4);
  }
}

/* Card Container */
.card {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
}

/* Track Display & Controls */
.now-playing {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-align: center;
  padding: var(--space-4) 0;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  overflow: hidden;
}

/* Cover Art Deck */
.cover-art-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--space-2);
  transition: all 0.25s ease;
}

.cover-art-container.hidden {
  display: none !important;
}

.cover-art-wrapper {
  position: relative;
  width: 165px;
  height: 165px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface-elevated);
}

.cover-art-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cover-art-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, var(--bg-surface-elevated) 0%, var(--bg-canvas) 100%);
}

.cover-art-vinyl {
  width: 88%;
  height: 88%;
  position: absolute;
  color: var(--text-primary);
}

.cover-art-music-note {
  position: relative;
  z-index: 2;
  color: var(--accent-primary);
  opacity: 0.85;
}

.track-title-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  padding: 0 var(--space-2);
}

.track-title {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-primary);
  word-break: break-word;
  overflow-wrap: break-word;
  text-wrap: balance;
  white-space: normal;
  min-width: 0;
  max-width: 100%;
  text-align: center;
  display: block;
}

.track-artist {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  max-width: 100%;
  padding: 0 var(--space-2);
  display: block;
}

/* Scrub Bar */
.scrub-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: var(--space-3) 0;
}

.scrub-slider {
  width: 100%;
  height: 8px;
  -webkit-appearance: none;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-full);
  outline: none;
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.scrub-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-primary);
  cursor: pointer;
}

.time-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* Primary Deck Buttons */
.controls-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.btn {
  background-color: var(--bg-surface-elevated);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: all 0.15s ease;
  user-select: none;
}

.btn:hover {
  background-color: var(--bg-hover);
  border-color: var(--border-strong);
}

.btn-primary {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
}

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

.btn-play-main {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  font-size: 1.5rem;
}

/* Ambient Sound Mixer */
.ambient-section {
  margin-top: var(--space-6);
  border-top: 2px solid var(--border-color);
  padding-top: var(--space-6);
}

.section-title {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.ambient-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.ambient-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  gap: var(--space-4);
}

.ambient-label {
  font-weight: 600;
  font-size: 0.95rem;
  min-width: 140px;
}

.ambient-slider {
  flex: 1;
  height: 6px;
  cursor: pointer;
}

/* Pomodoro Study Timer */
.pomodoro-display {
  text-align: center;
  padding: var(--space-6) 0;
}

.timer-digits {
  font-size: 4rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1;
  margin: var(--space-3) 0;
  letter-spacing: -0.03em;
}

.timer-phase {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-focus);
}

.timer-phase.break {
  color: var(--accent-break);
}

.timer-presets {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

/* Playlist & Dropzone */
.dropzone {
  position: relative;
  overflow: hidden;
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  text-align: center;
  background-color: var(--bg-surface-elevated);
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: var(--space-4);
}

.dropzone-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 5;
}

.dropzone.dragover {
  border-color: var(--accent-focus);
  background-color: var(--accent-light);
}

.playlist-container {
  max-height: 380px;
  overflow-y: auto;
  overflow-x: hidden;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  min-width: 0;
  width: 100%;
}

.track-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  min-width: 0;
  gap: var(--space-3);
  transition: background-color 0.15s ease;
}

.track-info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.track-item-title {
  font-weight: 600;
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}

.track-item-size {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.track-item:last-child {
  border-bottom: none;
}

.track-item:hover {
  background-color: var(--bg-hover);
}

.track-item.active {
  background-color: var(--accent-light);
  font-weight: 700;
  border-left: 4px solid var(--accent-focus);
}

/* Projector Wall Mode (Fullscreen Hotkey 'F') */
.projector-wall {
  display: none;
  position: fixed;
  inset: 0;
  background-color: var(--bg-canvas);
  z-index: 9999;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-12);
  text-align: center;
}

.projector-wall.active {
  display: flex;
}

.wall-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-6);
}

.wall-timer {
  font-size: 9rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1;
}

.wall-track {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--text-secondary);
  max-width: 80%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wall-hint {
  font-size: 1rem;
  color: var(--text-muted);
}

.projector-wall.hide-cursor,
.projector-wall.hide-cursor * {
  cursor: none !important;
}

/* Accessibility Focus Visible */
:focus-visible {
  outline: 2px solid var(--accent-focus);
  outline-offset: 2px;
}

/* Equalizer Bars (Zero GPU / Pure CSS Keyframes) */
.equalizer-icon {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
  width: 14px;
  flex-shrink: 0;
}

.equalizer-bar {
  width: 3px;
  background-color: var(--accent-focus);
  border-radius: 1px;
  animation: eq-bounce 0.8s ease-in-out infinite alternate;
}

.equalizer-bar:nth-child(1) { height: 50%; animation-delay: 0.1s; }
.equalizer-bar:nth-child(2) { height: 100%; animation-delay: 0.3s; }
.equalizer-bar:nth-child(3) { height: 40%; animation-delay: 0.2s; }

.paused .equalizer-bar {
  animation-play-state: paused !important;
}

@keyframes eq-bounce {
  0% { height: 25%; }
  100% { height: 100%; }
}

/* Modal Dialogs */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  z-index: 10000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: var(--bg-surface);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  max-width: 440px;
  width: 90%;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  font-size: 1rem;
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.form-input:focus {
  outline: 2px solid var(--accent-focus);
  border-color: transparent;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text-primary);
  color: var(--text-inverse);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-card);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.25s ease;
  pointer-events: none;
  z-index: 10001;
}

/* App Footer */
.app-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-8);
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  margin-top: auto;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--accent-focus);
}

@media (max-width: 640px) {
  .app-footer {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
    padding: var(--space-4);
  }
}