:root {
  --background: oklch(100% 0 0);
  --foreground: oklch(15% 0.01 270);
  --card: oklch(100% 0 0);
  --card-foreground: oklch(15% 0.01 270);
  --primary: oklch(45.8% 0.09 270);
  --primary-foreground: oklch(98% 0 0);
  --muted: oklch(96% 0.005 270);
  --muted-foreground: oklch(45% 0.01 270);
  --accent: oklch(96% 0.005 270);
  --accent-foreground: oklch(15% 0.01 270);
  --border: oklch(90% 0.005 270);
  --input: oklch(90% 0.005 270);
  --ring: oklch(45.8% 0.09 270);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: oklch(15% 0.01 270);
    --foreground: oklch(98% 0 0);
    --card: oklch(20% 0.01 270);
    --card-foreground: oklch(98% 0 0);
    --primary: oklch(68% 0.12 270);
    --primary-foreground: oklch(15% 0.01 270);
    --muted: oklch(25% 0.01 270);
    --muted-foreground: oklch(65% 0.01 270);
    --accent: oklch(25% 0.01 270);
    --accent-foreground: oklch(98% 0 0);
    --border: oklch(30% 0.01 270);
    --input: oklch(30% 0.01 270);
    --ring: oklch(68% 0.12 270);
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: var(--primary);
  padding: 1.5rem 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header-container {
  max-width: 32rem;
  margin: 0 auto;
}

.header-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  background-color: var(--primary-foreground);
  color: var(--primary);
}

.header-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary-foreground);
}

.header-subtitle {
  font-size: 0.75rem;
  color: var(--primary-foreground);
  opacity: 0.8;
}

.progress-bar {
  background-color: var(--muted);
  padding: 1rem;
}

.main-content {
  max-width: 32rem;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

.container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card {
  background-color: var(--card);
  border: 2px solid var(--border);
  border-radius: 0.5rem;
  padding: 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

.card.selected {
  border-color: var(--primary);
  background-color: color-mix(in oklch, var(--primary) 5%, var(--card));
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
  height: 3rem;
  width: 100%;
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--border);
  color: var(--foreground);
}

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

.btn-ghost {
  background-color: transparent;
  color: var(--foreground);
}

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

.input,
.textarea {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  border: 2px solid var(--border);
  border-radius: 0.375rem;
  background-color: var(--background);
  color: var(--foreground);
}

.input:focus,
.textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--primary) 20%, transparent);
}

.textarea {
  min-height: 100px;
  resize: vertical;
}

.label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.grid {
  display: grid;
  gap: 0.75rem;
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.hidden {
  display: none;
}

.alert {
  padding: 0.75rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.alert-error {
  background-color: color-mix(in oklch, red 10%, var(--card));
  color: red;
}

.alert-info {
  background-color: color-mix(in oklch, orange 10%, var(--card));
  color: orange;
}

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

.text-muted {
  color: var(--muted-foreground);
}

.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--primary-foreground);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.install-prompt {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  background-color: var(--card);
  border: 2px solid var(--border);
  border-radius: 0.5rem;
  padding: 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 100;
}

.install-prompt-buttons {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* Calendar Styles */
.calendar {
  width: 100%;
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  cursor: pointer;
  border: none;
  background-color: transparent;
  color: var(--foreground);
  transition: all 0.2s;
}

.calendar-day:hover:not(.disabled) {
  background-color: var(--accent);
}

.calendar-day.selected {
  background-color: var(--primary);
  color: var(--primary-foreground);
  font-weight: 600;
}

.calendar-day.disabled {
  color: color-mix(in oklch, var(--muted-foreground) 30%, transparent);
  cursor: not-allowed;
}

.calendar-day-header {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted-foreground);
}

/* Progress Steps */
.progress-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.progress-step-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.progress-step-circle.active {
  background-color: var(--accent);
  color: var(--accent-foreground);
}

.progress-step-circle.complete {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

.progress-step-circle.incomplete {
  background-color: color-mix(in oklch, var(--muted-foreground) 20%, transparent);
  color: var(--muted-foreground);
}

.progress-step-label {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.progress-line {
  height: 2px;
  flex: 1;
}

.progress-line.complete {
  background-color: var(--primary);
}

.progress-line.incomplete {
  background-color: var(--border);
}