@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700&display=swap');

:root {
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --secondary: #f472b6;
  --neutral-50: #f8fafc;
  --neutral-100: #f1f5f9;
  --neutral-200: #e2e8f0;
  --neutral-300: #cbd5e1;
  --neutral-400: #94a3b8;
  --neutral-500: #64748b;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;
}

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

body {
  font-family: 'Nunito', sans-serif;
  background-color: var(--neutral-100);
  color: var(--neutral-800);
  line-height: 1.6;
  max-width: 100vw;
  overflow-x: hidden;
}

header {
  background-color: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  padding: 1rem 0;
  position: relative;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.today-card {
  background: white;
  border-radius: 0.75rem;
  box-shadow: 0 2px 15px rgba(0,0,0,0.05);
  padding: 2rem;
  margin-bottom: 2rem;
}

.today-heading {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--neutral-700);
  border-bottom: 1px solid var(--neutral-200);
  padding-bottom: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.emoji-selection {
  display: flex;
  flex-wrap: wrap;
  gap: 4rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.emoji-btn {
  background: none;
  border: 2px solid transparent;
  border-radius: 50%;
  font-size: 2.5rem;
  cursor: pointer;
  padding: 3.2rem;
  transition: all 0.2s ease;
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.emoji-btn:hover {
  background-color: var(--neutral-100);
}

.emoji-btn.selected {
  border-color: var(--primary);
  background-color: rgba(99, 102, 241, 0.1);
  transform: scale(1.05);
}

.note-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--neutral-300);
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-family: 'Nunito', sans-serif;
  resize: vertical;
}

.save-btn {
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

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

.save-btn:disabled {
  background-color: var(--neutral-400);
  cursor: not-allowed;
}

.view-selector {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  background-color: white;
  padding: 0.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.view-btn {
  background: none;
  border: none;
  padding: 0.5rem 1.25rem;
  border-radius: 0.25rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--neutral-500);
  transition: all 0.2s ease;
}

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

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

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.entry {
  background-color: white;
  border-radius: 0.5rem;
  padding: 1rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  display: flex;
  gap: 1rem;
  align-items: center;
  transition: transform 0.2s ease;
}

.entry:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.entry-emoji {
  font-size: 2rem;
  flex-shrink: 0;
}

.entry-details {
  flex-grow: 1;
}

.entry-date {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--neutral-700);
}

.entry-note {
  color: var(--neutral-600);
  font-size: 0.9rem;
}

.calendar-view {
  display: none;
  /* Calendar styling will be added in JavaScript */
}

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

.calendar-day-names {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

.calendar-day-name {
  font-weight: 600;
  color: var(--neutral-500);
  padding: 0.5rem;
}

.calendar-day {
  aspect-ratio: 1/1;
  border-radius: 0.5rem;
  background-color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  cursor: pointer;
  transition: all 0.2s ease;
}

.calendar-day:hover {
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.calendar-day.has-mood {
  border: 2px solid var(--primary-light);
}

.calendar-day.today {
  border: 2px solid var(--secondary);
}

.calendar-day-number {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--neutral-700);
}

.calendar-day-emoji {
  font-size: 1.25rem;
}

.month-selector {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  background-color: white;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.month-btn {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.month-btn:hover {
  background-color: var(--neutral-100);
}

.current-month-year {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--neutral-700);
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--neutral-500);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.empty-state-text {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.emoji-label {
  display: block;
  text-align: center;
  font-size: 0.75rem;
  color: var(--neutral-500);
  margin-top: 0.25rem;
}

/* Weekly view styling */
.week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
}

.stats-section {
  margin-top: 2rem;
  background-color: white;
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.stats-heading {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--neutral-700);
  border-bottom: 1px solid var(--neutral-200);
  padding-bottom: 0.5rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.stat-card {
  background-color: var(--neutral-50);
  border-radius: 0.5rem;
  padding: 1rem;
  text-align: center;
}

.stat-emoji {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.stat-label {
  color: var(--neutral-500);
  font-size: 0.9rem;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background-color: white;
  border-radius: 0.75rem;
  padding: 1.5rem;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--neutral-500);
}

.mood-detail {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.mood-detail-emoji {
  font-size: 3rem;
}

@media (max-width: 768px) {
  .emoji-selection {
    gap: 0.5rem;
  }
  
  .emoji-btn {
    font-size: 2rem;
    width: 60px;
    height: 60px;
  }
  
  .calendar-grid {
    gap: 0.25rem;
  }
  
  .calendar-day {
    padding: 0.25rem;
  }
  
  .calendar-day-emoji {
    font-size: 1rem;
  }
}