:root {
  --cocoa-brown: #8F6247;
  --warm-beige: #E8E2DB;
  --oat-cream: #F7F5F1;
  --oak-wood: #D1AA84;
  --sage-green: #6F7C5B;
  --charcoal: #333;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  color: var(--charcoal);
  margin: 0;
  padding: 0;
  background: var(--warm-beige);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
  padding: 0 1rem;
  background: var(--warm-beige);
  position: sticky;
  top: 0;
  z-index: 10;
}

h1 {
  margin: 0;
  font-family: 'Playfair Display', serif;
  font-size: 2.4rem;
  letter-spacing: -1px;
  font-weight: 600;
}

h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  letter-spacing: -1px;
  font-weight: 600;
  margin-top: 0;
}

main {
  max-width: min(1320px, 90vw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
  padding: 0 1rem;
}

section {
  grid-column: span 12;
  padding: clamp(16px, 4vw, 40px) 0;
}

textarea {
  width: 100%;
  padding: 0.5rem;
  background: var(--oat-cream);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
}

select {
  cursor: pointer;
  background: var(--oat-cream);
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.1);
  padding: 0.4em 0.6em;
  width: 100%;
}

button {
  cursor: pointer;
  margin: 0;
}

.button {
  border-radius: 8px;
  padding: .6em 1.2em;
  font: 500 0.9rem/1 'Inter';
  background: var(--cocoa-brown);
  color: #fff;
  transition: background .2s;
}
.button:hover {
  background: color-mix(in srgb, var(--cocoa-brown) 80%, #fff);
}
.button[disabled] {
  opacity: .35;
  pointer-events: none;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--oat-cream);
  padding: 12px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.card .thumb {
  position: relative;
  width: 100%;
  padding-top: 100%;
  overflow: hidden;
  border-radius: 8px;
}
.card .thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}
.prompt-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.prompt {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  margin: 0;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}
.prompt.expanded {
  white-space: normal;
  overflow: visible;
}

.input-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.options-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  align-items: center;
}
.icon-btn {
  background: none;
  border: none;
  padding: 0.25rem;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.6;
  color: var(--charcoal);
}
.icon-btn:hover {
  opacity: 1;
}

input[type="file"] {
  font-size: 0.9rem;
  width: 100%;
}
.card.selected .thumb,
.card:hover .thumb {
  outline: 4px solid var(--oak-wood);
}

#gallery-window {
  height: 600px;
  overflow: auto;
  border: 1px solid #ccc;
  padding: 10px;
  background: var(--oat-cream);
}

#generation-popup {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: rgba(51, 51, 51, 0.9);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 1000;
}
#generation-popup.hidden {
  display: none;
}
#generation-popup .spinner {
  border-color: #fff;
  border-top-color: #ccc;
}

.login {
  max-width: 400px;
  margin: 2rem auto;
  background: var(--oat-cream);
  padding: 1rem;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.spinner {
  width: 1em;
  height: 1em;
  border: 2px solid #ccc;
  border-top-color: #333;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.status {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

details {
  background: var(--oat-cream);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  padding: 0.5rem;
}

details summary {
  cursor: pointer;
  list-style: none;
  font-weight: 500;
}

details[open] summary {
  margin-bottom: 0.5rem;
}