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

:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: #252542;
  --bg-input: #1e1e36;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b7b;
  --accent: #6c5ce7;
  --accent-hover: #5b4cdb;
  --success: #00d26a;
  --warning: #ffc107;
  --danger: #ff4757;
  --border: #3a3a5c;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --radius-small: 8px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --nav-height: 70px;
  --header-height: 60px;
}

html {
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom));
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Main Content */
.main-content {
  flex: 1;
  padding: var(--spacing-md);
  padding-bottom: calc(var(--nav-height) + var(--spacing-xl));
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}

/* Views */
.view {
  display: none;
}

.view.active {
  display: block;
}

/* Bottom Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-around;
  padding: var(--spacing-sm);
  padding-bottom: calc(var(--spacing-sm) + env(safe-area-inset-bottom));
  z-index: 100;
}

.nav-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  transition: color 0.2s;
  min-width: 70px;
}

.nav-btn.active {
  color: var(--accent);
}

.nav-icon {
  font-size: 1.5rem;
}

.nav-label {
  font-size: 0.75rem;
  font-weight: 500;
}

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow);
}

.card h2, .card h3 {
  margin-bottom: var(--spacing-md);
}

/* Collapsible Cards */
.collapsible .card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  margin: calc(-1 * var(--spacing-lg));
  padding: var(--spacing-lg);
}

.collapsible .card-header h3 {
  margin-bottom: 0;
}

.collapsible .card-content {
  padding-top: var(--spacing-md);
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.collapsible.collapsed .card-content {
  max-height: 0;
  padding-top: 0;
}

.toggle-icon {
  transition: transform 0.3s;
  color: var(--text-muted);
}

.collapsible.collapsed .toggle-icon {
  transform: rotate(-90deg);
}

/* Form Elements */
.select-group {
  margin-bottom: var(--spacing-md);
}

.select-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.datetime-group {
  display: flex;
  gap: var(--spacing-md);
}

.datetime-group .select-group {
  flex: 1;
}

.select-input, .text-input {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  color: var(--text-primary);
  font-size: 1rem;
  appearance: none;
  -webkit-appearance: none;
}

.select-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-md) center;
  padding-right: calc(var(--spacing-md) * 2 + 12px);
}

.select-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.text-input {
  resize: vertical;
  min-height: 44px;
}

textarea.text-input {
  min-height: 80px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-small);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  min-height: 48px;
  min-width: 48px;
}

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

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

.btn-primary:disabled {
  background: var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.btn-outline:hover, .btn-outline:active {
  background: var(--bg-input);
}

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

.btn-success {
  background: var(--success);
  color: white;
}

.btn-large {
  width: 100%;
  padding: var(--spacing-lg);
  font-size: 1.125rem;
}

.btn-small {
  padding: var(--spacing-sm) var(--spacing-md);
  min-height: 36px;
  font-size: 0.875rem;
}

/* Workout Header */
.workout-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.workout-title h2 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.badge {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Exercise Cards */
.exercise-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
  border-left: 4px solid var(--border);
}

.exercise-card:active {
  transform: scale(0.98);
}

.exercise-card.completed {
  border-left-color: var(--success);
  opacity: 0.8;
}

.exercise-card.partial {
  border-left-color: var(--warning);
}

.exercise-card.skipped {
  border-left-color: var(--danger);
  opacity: 0.6;
}

.exercise-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.exercise-name {
  font-weight: 600;
  font-size: 1rem;
}

.exercise-order {
  background: var(--bg-input);
  color: var(--text-secondary);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}

.exercise-meta {
  display: flex;
  gap: var(--spacing-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.exercise-progress {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.set-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border);
}

.set-dot.completed {
  background: var(--success);
}

/* Timer Overlay */
.timer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}

.timer-overlay.hidden {
  display: none;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.timer-content {
  text-align: center;
}

.timer-display {
  font-size: 6rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -2px;
  color: var(--accent);
}

.timer-label {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.timer-controls {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.timer-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-small);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--bg-card);
  color: var(--text-primary);
  min-width: 80px;
}

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

.timer-alert {
  animation: pulse 0.5s ease infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 500;
  animation: fadeIn 0.2s ease;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--bg-secondary);
  border-radius: var(--radius) var(--radius) 0 0;
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}

.modal-small .modal-content {
  max-height: 50vh;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
}

.modal-header h3 {
  font-size: 1.125rem;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-sm);
  line-height: 1;
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.modal-actions .btn {
  flex: 1;
}

/* Exercise Modal Specifics */
.exercise-cues {
  background: var(--bg-input);
  border-left: 3px solid var(--accent);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-radius: 0 var(--radius-small) var(--radius-small) 0;
  color: var(--text-secondary);
  font-style: italic;
}

.exercise-link-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.exercise-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--accent);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-small);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.2s;
}

.exercise-link:hover,
.exercise-link:active {
  background: var(--accent-hover);
}

.exercise-link::before {
  content: "▶";
  font-size: 0.75rem;
}

.edit-link-btn {
  background: none;
  border: 1px dashed var(--border);
  color: var(--text-muted);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-small);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
}

.edit-link-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.link-edit-form {
  margin-bottom: var(--spacing-md);
}

.link-edit-form .text-input {
  margin-bottom: var(--spacing-sm);
}

.link-edit-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.last-time-info {
  background: var(--bg-card);
  padding: var(--spacing-md);
  border-radius: var(--radius-small);
  margin-bottom: var(--spacing-lg);
}

.last-time-info h4 {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
}

.last-time-sets {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.last-set {
  background: var(--bg-input);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-small);
  font-size: 0.875rem;
}

.last-time-notes {
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border);
}

.last-time-notes p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-style: italic;
  margin: 0;
  margin-bottom: var(--spacing-xs);
}

.last-time-notes .session-note {
  color: var(--text-muted);
  font-style: normal;
  padding-top: var(--spacing-xs);
}

/* Set Input Row */
.set-row {
  display: grid;
  grid-template-columns: 40px 1fr 1fr 60px;
  gap: var(--spacing-sm);
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--bg-card);
  border-radius: var(--radius-small);
}

.set-number {
  font-weight: 700;
  color: var(--text-secondary);
  text-align: center;
}

.set-input {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  color: var(--text-primary);
  font-size: 1.125rem;
  text-align: center;
  -moz-appearance: textfield;
}

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

.set-input:focus {
  outline: none;
  border-color: var(--accent);
}

.set-input.filled {
  border-color: var(--success);
  background: rgba(0, 210, 106, 0.1);
}

.set-log-btn {
  background: var(--accent);
  border: none;
  color: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-small);
  font-size: 1.25rem;
  cursor: pointer;
  min-height: 48px;
}

.set-log-btn.logged {
  background: var(--success);
}

.set-labels {
  display: grid;
  grid-template-columns: 40px 1fr 1fr 60px;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  padding: 0 var(--spacing-sm);
}

.set-labels span {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.set-labels span:nth-child(2),
.set-labels span:nth-child(3) {
  text-align: center;
}

/* RPE and Notes for Set */
.set-extras {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  padding: 0 var(--spacing-sm);
}

.rpe-select {
  padding: var(--spacing-sm);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  color: var(--text-primary);
  font-size: 0.875rem;
}

.set-notes {
  padding: var(--spacing-sm);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  color: var(--text-primary);
  font-size: 0.875rem;
}

/* History List */
.history-list {
  margin-top: var(--spacing-md);
}

.history-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  cursor: pointer;
  transition: transform 0.1s;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.history-item:active {
  transform: scale(0.98);
}

.history-item-content {
  flex: 1;
}

.history-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-sm);
  line-height: 1;
  border-radius: var(--radius-small);
  transition: color 0.2s, background 0.2s;
}

.history-delete:hover,
.history-delete:active {
  color: var(--danger);
  background: rgba(255, 71, 87, 0.1);
}

.history-date {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-bottom: var(--spacing-xs);
}

.history-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.history-meta {
  display: flex;
  gap: var(--spacing-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Weight Tracking */
.weight-input-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.weight-input {
  flex: 1;
  padding: var(--spacing-lg);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  color: var(--text-primary);
  font-size: 2rem;
  text-align: center;
  -moz-appearance: textfield;
}

.weight-input::-webkit-inner-spin-button,
.weight-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
}

.weight-unit {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

.weight-chart {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  min-height: 200px;
}

.weight-history {
  margin-top: var(--spacing-md);
}

.weight-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--bg-card);
  border-radius: var(--radius-small);
  margin-bottom: var(--spacing-sm);
}

.weight-entry-info {
  flex: 1;
}

.weight-entry-value {
  font-size: 1.25rem;
  font-weight: 600;
}

.weight-entry-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.weight-entry-notes {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.weight-delete {
  background: none;
  border: none;
  color: var(--danger);
  font-size: 1.25rem;
  cursor: pointer;
  padding: var(--spacing-sm);
}

/* Rest Day */
.rest-activity {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.rest-day-log {
  margin-bottom: var(--spacing-lg);
}

.rest-day-log label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.rest-day-log .select-input,
.rest-day-log .text-input {
  margin-bottom: var(--spacing-md);
}

.rest-day-actions {
  display: flex;
  gap: var(--spacing-md);
}

.rest-day-actions .btn {
  flex: 1;
}

/* Progression View */
.progression-list {
  max-height: 400px;
  overflow-y: auto;
}

.progression-entry {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border);
}

.progression-date {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.progression-sets {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.progression-set {
  background: var(--bg-input);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-small);
  font-size: 0.875rem;
}

/* Chart */
.simple-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 150px;
  padding: var(--spacing-md) 0;
}

.chart-bar {
  flex: 1;
  background: var(--accent);
  border-radius: 4px 4px 0 0;
  min-width: 8px;
  max-width: 30px;
  position: relative;
}

.chart-bar:hover::after {
  content: attr(data-value);
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.75rem;
  white-space: nowrap;
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

/* Login Screen */
.login-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  z-index: 2000;
}

.login-screen.hidden {
  display: none !important;
}

.login-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: var(--spacing-xl);
  width: 90%;
  max-width: 360px;
  text-align: center;
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin-bottom: var(--spacing-lg);
  font-size: 1.5rem;
}

.login-card input[type="password"] {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  color: var(--text-primary);
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.login-error {
  color: var(--danger);
  font-size: 0.875rem;
  margin-top: var(--spacing-sm);
}

/* Utilities */
.hidden {
  display: none !important;
}

.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== Warm-Up Tab ===== */
.warmup-movement-list {
  margin-bottom: var(--spacing-md);
}

.warmup-movement-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border-radius: var(--radius-small);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.warmup-movement-info {
  flex: 1;
}

.warmup-movement-name {
  font-weight: 600;
  font-size: 1rem;
}

.warmup-movement-duration {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.warmup-toggle {
  position: relative;
  width: 48px;
  height: 28px;
  flex-shrink: 0;
  margin-left: var(--spacing-md);
}

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

.warmup-toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 28px;
  cursor: pointer;
  transition: background 0.2s;
}

.warmup-toggle-slider::before {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  left: 3px;
  top: 3px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
}

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

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

.warmup-summary {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
}

/* ===== Warmup Player Overlay ===== */
.warmup-player-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #000;
  z-index: 1100;
  display: flex;
  flex-direction: column;
}

.warmup-player-overlay.hidden {
  display: none;
}

/* Countdown Screen */
.warmup-countdown-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.warmup-next-label {
  font-size: 1.25rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.warmup-next-name {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: var(--spacing-md) 0 var(--spacing-xl);
  text-align: center;
  padding: 0 var(--spacing-md);
}

.warmup-countdown-number {
  font-size: 8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

/* Video Screen */
.warmup-video-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
}

.warmup-video-screen.hidden {
  display: none;
}

.warmup-video {
  width: 100%;
  flex: 1;
  object-fit: contain;
  background: #000;
}

.warmup-video-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
}

.warmup-current-name {
  font-size: 1.25rem;
  font-weight: 700;
}

.warmup-timer-display {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.warmup-progress-bar {
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin: var(--spacing-sm) 0;
}

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

.warmup-position {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Controls Bar */
.warmup-controls {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
  background: var(--bg-secondary);
}

.warmup-ctrl-btn {
  flex: 1;
  padding: var(--spacing-md);
  border: none;
  border-radius: var(--radius-small);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--bg-card);
  color: var(--text-primary);
  min-height: 48px;
}

.warmup-ctrl-primary {
  background: var(--accent);
  color: white;
}

.warmup-ctrl-danger {
  background: var(--danger);
  color: white;
}

/* Responsive adjustments for larger screens */
@media (min-width: 768px) {
  .main-content {
    padding: var(--spacing-xl);
  }

  .modal-content {
    border-radius: var(--radius);
    max-width: 500px;
    margin: auto;
  }

  .modal {
    align-items: center;
  }
}