:root {
  color-scheme: light;
  --bg-top: #f9dcc4;
  --bg-bottom: #f5f1ea;
  --surface: rgba(255, 252, 248, 0.92);
  --surface-strong: #fffaf4;
  --surface-muted: #f1e4d6;
  --ink: #2f241d;
  --ink-soft: #6d5a4d;
  --accent: #c74b50;
  --accent-strong: #9f2d31;
  --accent-soft: rgba(199, 75, 80, 0.14);
  --shadow: 0 20px 45px rgba(92, 57, 32, 0.14);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Gill Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.7), transparent 34%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

button {
  font: inherit;
}

.app-shell {
  width: min(100%, 54rem);
  margin: 0 auto;
  padding: 1rem;
}

.hero {
  padding: 1rem 0 1.25rem;
}

.eyebrow {
  margin: 0 0 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--ink-soft);
}

.hero-row {
  display: grid;
  gap: 1rem;
  align-items: end;
}

.hero h1 {
  margin: 0;
  font-family: "Palatino Linotype", "Iowan Old Style", serif;
  font-size: clamp(2rem, 8vw, 3.4rem);
  line-height: 0.95;
}

.hero-copy {
  margin: 0.75rem 0 0;
  max-width: 32rem;
  color: var(--ink-soft);
  line-height: 1.45;
}

.favorites-chip {
  justify-self: start;
  display: inline-flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  background: rgba(255, 250, 244, 0.75);
  box-shadow: var(--shadow);
}

.favorites-chip span {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.favorites-chip strong {
  font-size: 1.6rem;
}

.app-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem;
  border-bottom: 1px solid rgba(109, 90, 77, 0.12);
}

.toolbar-copy h2,
.toolbar-copy p {
  margin: 0;
}

.toolbar-copy h2 {
  font-size: 1.2rem;
}

.toolbar-copy p {
  margin-top: 0.2rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.back-button {
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1rem;
  background: var(--surface-muted);
  color: var(--ink);
}

.content {
  padding: 1rem;
}

.folder-list,
.heat-list {
  display: grid;
  gap: 0.85rem;
}

.folder-card,
.heat-card {
  width: 100%;
  border: 0;
  border-radius: var(--radius-lg);
  padding: 1rem;
  color: inherit;
  text-align: left;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(244, 226, 204, 0.92));
  box-shadow: 0 10px 22px rgba(92, 57, 32, 0.08);
}

.folder-date,
.heat-meta,
.photo-meta {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.folder-name,
.heat-name {
  display: block;
  margin-top: 0.25rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.folder-stats,
.heat-stats {
  margin-top: 0.85rem;
  display: inline-flex;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.84rem;
}

.photos-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.photo-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface-strong);
  box-shadow: 0 10px 20px rgba(92, 57, 32, 0.08);
}

.photo-button {
  display: block;
  width: 100%;
  border: 0;
  padding: 0;
  background: transparent;
  text-align: left;
}

.photo-image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: #e8d4c2;
}

.photo-info {
  padding: 0.7rem 0.75rem 0.85rem;
}

.photo-title {
  margin: 0;
  font-weight: 700;
  font-size: 0.95rem;
}

.favorite-button {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  width: 2.2rem;
  height: 2.2rem;
  border: 0;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(255, 250, 244, 0.92);
  color: var(--accent-strong);
  box-shadow: 0 6px 14px rgba(50, 31, 18, 0.18);
}

.favorite-button.active {
  background: var(--accent);
  color: white;
}

.favorite-button .heart {
  font-size: 1rem;
  line-height: 1;
}

.empty-state {
  padding: 2rem 1rem 2.5rem;
  text-align: center;
  color: var(--ink-soft);
}

.photo-dialog {
  width: min(100vw, 48rem);
  max-width: none;
  height: 100vh;
  max-height: none;
  border: 0;
  padding: 0;
  background: rgba(28, 20, 16, 0.94);
  color: white;
}

.photo-dialog::backdrop {
  background: rgba(28, 20, 16, 0.88);
}

.dialog-close-row {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 1;
}

.dialog-close {
  border: 0;
  border-radius: 999px;
  padding: 0.65rem 0.9rem;
  background: rgba(255, 255, 255, 0.14);
  color: white;
}

.dialog-body {
  min-height: 100vh;
  display: grid;
  align-content: center;
  gap: 1rem;
  padding: 4rem 1rem 2rem;
}

.dialog-body img {
  width: 100%;
  max-height: 72vh;
  object-fit: contain;
}

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

.dialog-title,
.dialog-subtitle {
  margin: 0;
}

.dialog-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.dialog-subtitle {
  margin-top: 0.35rem;
  color: rgba(255, 255, 255, 0.74);
}

@media (min-width: 720px) {
  .app-shell {
    padding: 1.5rem;
  }

  .hero-row {
    grid-template-columns: 1fr auto;
  }

  .toolbar,
  .content {
    padding: 1.25rem 1.25rem 1.35rem;
  }

  .folder-list,
  .heat-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}