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

:root {
  --primary: #e91e63;
  --primary-dark: #c2185b;
  --primary-light: #fce4ec;
  --success: #4caf50;
  --warning: #ff9800;
  --danger: #f44336;
  --text: #2c2c2c;
  --text-muted: #757575;
  --bg: #fafafa;
  --card-bg: #fff;
  --border: #e0e0e0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
    env(safe-area-inset-bottom) env(safe-area-inset-left);
}

#app {
  max-width: 480px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2rem;
}

.screen {
  animation: fadeIn 0.3s ease;
}

.screen.hidden {
  display: none;
}

.hidden {
  display: none !important;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#role-picker {
  text-align: center;
  padding-top: 4rem;
}

#role-picker h1 {
  margin-bottom: 2rem;
  color: var(--primary);
}

.role-btn {
  display: block;
  width: 100%;
  padding: 1.25rem;
  margin-bottom: 1rem;
  font-size: 1.1rem;
  background: var(--card-bg);
  border: 2px solid var(--primary-light);
  border-radius: 1rem;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
}

.role-btn:active {
  transform: scale(0.98);
  border-color: var(--primary);
  background: var(--primary-light);
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  color: var(--primary);
  font-size: 2rem;
}

.subtitle {
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-size: 1rem;
}

.card {
  background: var(--card-bg);
  border-radius: 1.25rem;
  padding: 1.75rem 1.25rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  text-align: center;
  margin-bottom: 1.5rem;
}

.card.taken {
  background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
}

.card.pending {
  background: linear-gradient(135deg, #fff3e0, #ffe0b2);
}

.card.missed {
  background: linear-gradient(135deg, #ffebee, #ffcdd2);
}

.status-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.status-text {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.status-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.big-btn {
  display: block;
  width: 100%;
  padding: 1.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 1rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(233, 30, 99, 0.3);
  transition: all 0.15s;
  margin-bottom: 1.5rem;
}

.big-btn:active:not(:disabled) {
  transform: scale(0.98);
  background: var(--primary-dark);
}

.big-btn:disabled {
  background: #bdbdbd;
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.7;
}

.streak {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--text);
}

h2 {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.35rem;
  margin-bottom: 2rem;
}

.day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  border-radius: 0.5rem;
  background: #f0f0f0;
}

.day.taken {
  background: var(--success);
  color: #fff;
}

.day.missed {
  background: var(--danger);
  color: #fff;
  opacity: 0.7;
}

.day.today {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

footer {
  text-align: center;
  margin-top: 1rem;
}

.link-btn {
  display: inline-block;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.5rem;
  margin: 0 0.5rem;
  text-decoration: underline;
}

.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 2rem;
  font-size: 0.95rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  animation: slideUp 0.3s ease;
  z-index: 100;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translate(-50%, 1rem);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}