/**
 * FitnesApp Workout Enhancement Styles
 * Stilovi za timer, exercise completion, i progress tracking
 */

/* ========== EXERCISE COMPLETION CHECKBOX ========== */

.exercise-completion {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(36, 44, 54, 0.5);
}

.completion-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.completion-checkbox input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid #1fba63;
  border-radius: 0.375rem;
  cursor: pointer;
  accent-color: #1fba63;
  background-color: #0f1114;
  transition: background-color 0.2s, border-color 0.2s;
}

.completion-checkbox input[type="checkbox"]:hover {
  border-color: #36e58a;
  box-shadow: 0 0 8px rgba(31, 186, 99, 0.2);
}

.completion-checkbox input[type="checkbox"]:checked {
  background-color: #1fba63;
  border-color: #1fba63;
}

.completion-checkbox span {
  font-size: 0.875rem;
  font-weight: 600;
  color: #9aa5b6;
  transition: color 0.2s;
}

.completion-checkbox input:checked + span {
  color: #1fba63;
}

/* Completed exercise visual style */
.exercise-completed {
  opacity: 0.65;
  position: relative;
}

.exercise-completed .completion-checkbox span::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 1.875rem;
  right: 0;
  height: 1px;
  background: #1fba63;
  transform: translateY(-50%);
}

/* ========== WORKOUT TIMER WIDGET ========== */

.timer-widget {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 1000;
}

.timer-toggle {
  background: linear-gradient(135deg, #1fba63 0%, #36e58a 100%);
  color: #0f1114;
  border: none;
  border-radius: 9999px;
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  font-size: 1rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(31, 186, 99, 0.35);
  transition: all 0.2s ease;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.timer-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(31, 186, 99, 0.45);
}

.timer-toggle:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(31, 186, 99, 0.35);
}

.timer-controls {
  position: absolute;
  bottom: calc(100% + 0.75rem);
  right: 0;
  background: #171c22;
  border: 1px solid #242c36;
  border-radius: 1rem;
  padding: 1rem;
  min-width: 220px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  animation: slideUp 0.2s ease;
  backdrop-filter: blur(10px);
}

.timer-controls[hidden] {
  display: none;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.timer-display {
  display: block;
  font-size: 1.875rem;
  font-weight: 700;
  color: #f4f7fb;
  text-align: center;
  margin-bottom: 1rem;
  font-family: 'Courier New', monospace;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

.timer-btn {
  background: #1d232b;
  border: 1px solid #242c36;
  color: #f4f7fb;
  padding: 0.625rem 1rem;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  transition: all 0.2s ease;
  width: 100%;
  margin-bottom: 0.5rem;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.timer-btn:last-child {
  margin-bottom: 0;
}

.timer-btn:hover {
  background: #242c36;
  border-color: #1fba63;
  color: #1fba63;
}

.timer-btn:active {
  transform: scale(0.98);
}

.timer-btn.active {
  background: #1fba63;
  color: #0f1114;
  border-color: #1fba63;
  box-shadow: 0 0 12px rgba(31, 186, 99, 0.3);
}

/* ========== ANIMATIONS ========== */

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

.celebration {
  animation: celebrate 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ========== RESPONSIVE DESIGN ========== */

@media (max-width: 640px) {
  .timer-widget {
    bottom: 1rem;
    right: 1rem;
  }

  .timer-toggle {
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
  }

  .timer-controls {
    min-width: 200px;
  }

  .timer-display {
    font-size: 1.5rem;
  }

  .timer-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
  }

  .completion-checkbox input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
  }

  .completion-checkbox span {
    font-size: 0.8125rem;
  }
}

@media (max-width: 480px) {
  .timer-widget {
    bottom: 0.75rem;
    right: 0.75rem;
  }

  .timer-toggle {
    padding: 0.5rem 0.875rem;
    font-size: 0.8125rem;
  }

  .timer-controls {
    min-width: 180px;
    padding: 0.75rem;
  }

  .timer-display {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
  }

  .timer-btn {
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.375rem;
    font-size: 0.75rem;
  }
}

/* ========== DARK MODE OVERRIDE ========== */

@media (prefers-color-scheme: dark) {
  .timer-toggle {
    background: linear-gradient(135deg, #1fba63 0%, #36e58a 100%);
  }

  .timer-controls {
    background: #0f1114;
    border-color: #242c36;
  }
}

/* ========== ACCESSIBILITY ========== */

.completion-checkbox input[type="checkbox"]:focus-visible {
  outline: 2px solid #36e58a;
  outline-offset: 2px;
}

.timer-toggle:focus-visible {
  outline: 2px solid #36e58a;
  outline-offset: 2px;
}

.timer-btn:focus-visible {
  outline: 2px solid #1fba63;
  outline-offset: 2px;
}

/* ========== PRINT STYLES ========== */

@media print {
  .timer-widget {
    display: none;
  }

  .exercise-completion {
    display: none;
  }
}