/* ============================================
   Work Out Timer — Styles
   v0.3
   ============================================ */

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

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}

body {
  position: fixed;
  inset: 0;
}

/* --- Screen System --- */
.screen {
  display: none;
  position: fixed;
  inset: 0;
  flex-direction: column;
  z-index: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.screen.active {
  display: flex;
}

/* --- Typography --- */
h1, h2, h3, .font-display {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* --- Top Bar --- */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  min-height: 56px;
  flex-shrink: 0;
}

.top-bar .back-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 1.4rem;
  padding: var(--space-sm);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.top-bar .back-btn:hover { color: var(--color-text-primary); }

.top-bar .title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.top-bar .spacer { width: 40px; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-fast);
  touch-action: manipulation;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.85rem;
}

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

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}

.btn-danger:hover { opacity: 0.85; }

.btn-small {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.75rem;
}

.btn-icon {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
  touch-action: manipulation;
}

.btn-icon:hover { color: var(--color-text-primary); }

/* --- Home Screen --- */
.home-header {
  display: flex;
  justify-content: flex-end;
  padding: var(--space-md);
  flex-shrink: 0;
}

.settings-gear {
  width: 40px;
  height: 40px;
}

.home-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  gap: var(--space-md);
}

.home-icon-wrap {
  margin-bottom: var(--space-sm);
  opacity: 0.9;
}

.home-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.8rem;
  letter-spacing: 0.04em;
  text-align: center;
  color: var(--color-text-primary);
}

.home-subtitle {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
}

.home-start-btn {
  margin-top: var(--space-xl);
  padding: var(--space-md) var(--space-2xl);
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
  min-width: 220px;
}

/* --- Mode Grid --- */
.mode-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  padding: var(--space-sm);
  overflow-y: auto;
  align-content: start;
}

.mode-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  touch-action: manipulation;
}

.mode-card:active {
  transform: scale(0.96);
  border-color: var(--color-accent);
}

.mode-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.mode-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.mode-desc {
  font-size: 0.65rem;
  color: var(--color-text-secondary);
  text-align: center;
  line-height: 1.3;
}

/* --- Config Screen --- */
.config-scroll {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-sm) var(--space-lg) var(--space-2xl);
  -webkit-overflow-scrolling: touch;
}

.config-group {
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.config-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
}

.config-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text-primary);
}

.config-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.config-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--color-border);
  outline: none;
  touch-action: none;
}

.config-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  border: 2px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-accent);
  touch-action: none;
}

.config-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  border: 2px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-accent);
  touch-action: none;
}

.config-number-input {
  width: 60px;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  text-align: center;
  -moz-appearance: textfield;
}

.config-number-input::-webkit-inner-spin-button,
.config-number-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.config-min-sec-display {
  margin-top: var(--space-xs);
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  text-align: right;
  letter-spacing: 0.04em;
}

/* --- FGB Station List --- */
#fgb-station-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.fgb-station-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
}

.fgb-station-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  min-width: 20px;
}

.fgb-station-row input[type="text"] {
  flex: 1;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
}

.fgb-station-row input[type="number"] {
  width: 55px;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
  -moz-appearance: textfield;
}

.fgb-station-row input[type="number"]::-webkit-inner-spin-button,
.fgb-station-row input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* --- Colour Picker --- */
.colour-picker-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.colour-picker-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.colour-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.colour-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.colour-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  touch-action: manipulation;
}

.colour-swatch:hover {
  transform: scale(1.15);
}

.colour-swatch.active {
  border-color: var(--color-text-primary);
  box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-text-primary);
  transform: scale(1.15);
}

/* --- Preview --- */
.preview-content {
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

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

.phase-tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.preview-placeholder {
  color: var(--color-text-muted);
  font-style: italic;
  font-size: 0.8rem;
}

/* ============================================
   TIMER SCREEN
   ============================================ */
#timer-screen {
  background: var(--color-bg);
}

/* --- Controls Bar --- */
.timer-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  min-height: 52px;
  flex-shrink: 0;
  position: relative;
  z-index: 20;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.timer-mode-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.timer-controls-right {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.btn-pause-play {
  width: 44px;
  height: 44px;
  color: var(--color-accent) !important;
}

/* --- Timer Display Area --- */
.timer-display-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.timer-phase-info {
  text-align: center;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 2;
}

#phase-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.timer-digits {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.05em;
  position: relative;
  z-index: 2;
}

.timer-digit-minutes,
.timer-digit-seconds {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: 5rem;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--color-accent);
  transition: color var(--transition-normal);
}

.timer-digit-sep {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: 4rem;
  line-height: 1;
  color: var(--color-text-muted);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0.3; }
}

.timer-sub-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: var(--space-md);
  position: relative;
  z-index: 2;
  transition: color var(--transition-normal);
}

.timer-progress-wrap {
  width: 100%;
  max-width: 320px;
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  margin-top: var(--space-xl);
  overflow: hidden;
  position: relative;
  z-index: 2;
}

.timer-progress-bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width 0.3s linear;
}

/* --- Pause Overlay --- */
.pause-overlay {
  position: absolute;
  inset: 0;
  background: rgba(30, 30, 50, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.pause-overlay.active {
  opacity: 1;
  pointer-events: none; /* Allow clicks to pass through to controls */
}

.pause-text {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2.5rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* --- Completed Screen --- */
.completed-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  gap: var(--space-md);
  text-align: center;
}

.completed-icon {
  font-size: 4rem;
  margin-bottom: var(--space-sm);
}

.completed-content h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
}

.completed-summary {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* --- Settings Drawer --- */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.drawer {
  width: 100%;
  max-width: 420px;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: var(--space-lg);
  max-height: 80vh;
  overflow-y: auto;
}

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

.drawer-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-primary);
}

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

.setting-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.setting-input {
  width: 80px;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--color-border);
  border-radius: 24px;
  transition: var(--transition-fast);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: var(--color-text-primary);
  border-radius: 50%;
  transition: var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--color-accent);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* ============================================
   LANDSCAPE MODE (Coach / TV View)
   ============================================ */
body.landscape #timer-screen {
  flex-direction: row;
  flex-wrap: wrap;
}

body.landscape .timer-controls {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--space-sm) var(--space-md);
  min-height: 52px;
  border-bottom: 1px solid var(--color-border);
}

body.landscape .timer-display-area {
  padding-top: 70px; /* Offset for fixed controls bar */
  width: 100%;
  min-height: 100vh;
}

body.landscape .timer-phase-info {
  margin-bottom: var(--space-sm);
}

body.landscape .timer-digit-minutes,
body.landscape .timer-digit-seconds {
  font-size: 6rem;
}

body.landscape .timer-digit-sep {
  font-size: 5rem;
}

body.landscape .timer-sub-label {
  font-size: 1.4rem;
}

body.landscape .timer-progress-wrap {
  max-width: 500px;
}

/* --- Scrollbar Styling --- */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

/* --- Safe area for notched devices --- */
@supports (padding-top: env(safe-area-inset-top)) {
  .top-bar {
    padding-top: calc(var(--space-md) + env(safe-area-inset-top));
  }
  .timer-controls {
    padding-top: calc(var(--space-sm) + env(safe-area-inset-top));
  }
  body.landscape .timer-controls {
    padding-top: calc(var(--space-sm) + env(safe-area-inset-top));
  }
  body.landscape .timer-display-area {
    padding-top: calc(70px + env(safe-area-inset-top));
  }
}