:root {
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Plus Jakarta Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --color-bg: #ffffff;
  --color-text-primary: #111827;
  --color-text-secondary: #6b7280;
  --color-accent-orange: #f59e0b;
  --color-pill-inactive-bg: #f3f4f6;
  --color-pill-inactive-border: #e5e7eb;
}

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

body {
  background-color: #0f1117;
  font-family: var(--font-family);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  -webkit-font-smoothing: antialiased;
}

/* iPhone Screen Container */
.iphone-screen {
  width: 440px;
  height: 956px;
  background-color: var(--color-bg);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
}

/* 1. iOS Status Bar */
.status-bar {
  height: 54px;
  padding: 12px 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 50;
}

.status-time {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.2px;
  width: 54px;
}

.dynamic-island {
  width: 125px;
  height: 34px;
  background-color: #000000;
  border-radius: 20px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 10px;
}

.status-icons {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--color-text-primary);
  width: 60px;
  justify-content: flex-end;
}

.icon-signal {
  width: 16px;
  height: 11px;
}

.icon-wifi {
  width: 15px;
  height: 11px;
}

.battery-container {
  display: flex;
  align-items: center;
  gap: 1px;
}

.battery-body {
  width: 22px;
  height: 11px;
  border: 1px solid var(--color-text-primary);
  border-radius: 3.5px;
  padding: 1.5px;
  display: flex;
}

.battery-fill {
  width: 100%;
  height: 100%;
  background-color: var(--color-text-primary);
  border-radius: 1.5px;
}

.battery-cap {
  width: 1.5px;
  height: 4px;
  background-color: var(--color-text-primary);
  border-radius: 0 1px 1px 0;
}

/* 2. App Navigation Bar */
.app-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 20px 10px;
}

.nav-icon-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #374151;
  padding: 6px;
}

.calendar-btn svg {
  stroke: var(--color-accent-orange);
}

.date-capsule {
  background: var(--color-pill-inactive-bg);
  padding: 6px 16px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.chevron {
  color: var(--color-accent-orange);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.dropdown-arrow {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-left: 2px;
}

/* 3. Year Filter Pills Row */
.year-pills-row {
  display: flex;
  gap: 10px;
  padding: 6px 20px 14px;
  border-bottom: 1px solid #f3f4f6;
}

.year-pill {
  font-size: 15px;
  font-weight: 600;
  padding: 6px 20px;
  border-radius: 20px;
  background: var(--color-pill-inactive-bg);
  color: var(--color-text-primary);
  border: 1px solid var(--color-pill-inactive-border);
}

.year-pill.active {
  background: var(--color-accent-orange);
  color: #ffffff;
  border-color: var(--color-accent-orange);
  font-weight: 700;
}

/* 4. Memories Container (3 Years Stacked) */
.memories-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px 30px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.memory-section {
  display: flex;
  flex-direction: column;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.year-heading {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1.1;
  letter-spacing: -0.8px;
}

.date-subheading {
  font-size: 15px;
  color: var(--color-text-secondary);
  font-weight: 400;
  margin-top: 3px;
}

.memories-count {
  font-size: 15px;
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* Photo Grid Row */
.photos-grid {
  display: grid;
  gap: 6px;
  width: 100%;
}

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

.photos-grid.count-2 {
  grid-template-columns: repeat(2, 1fr);
}

.photos-grid.count-1 {
  grid-template-columns: 1fr;
}

.photo-card {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 14px;
  overflow: hidden;
  background-color: #f3f4f6;
}

.photos-grid.count-1 .photo-card {
  aspect-ratio: 16 / 9;
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 5. iOS Home Indicator */
.home-indicator-bar {
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg);
}

.home-indicator {
  width: 134px;
  height: 5px;
  background-color: #111827;
  border-radius: 100px;
}