:root {
  --color-bg: #f7f5f2;
  --color-surface: #ffffff;
  --color-border: #e3ddd4;
  --color-text: #2a2622;
  --color-text-muted: #6b6258;
  --color-accent: #b5651d;
  --color-accent-hover: #984f12;
  --color-danger: #b3261e;
  --color-danger-bg: #fbeceb;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: var(--color-accent);
}

.page {
  padding: 2rem 1.25rem 4rem;
  max-width: 960px;
  margin: 0 auto;
}

.page--narrow {
  max-width: 560px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.card + .card {
  margin-top: 1rem;
}

.btn {
  display: inline-block;
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.6rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}

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

.btn--secondary {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.form-field {
  margin: 1rem 0;
}

.dropzone__box {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 160px;
  padding: 1.5rem;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.dropzone__box:hover,
.dropzone__box--active {
  border-color: var(--color-accent);
  background: rgba(181, 101, 29, 0.06);
  color: var(--color-accent);
}

.dropzone__box p {
  margin: 0;
  pointer-events: none;
}

.alert {
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.alert--error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid rgba(179, 38, 30, 0.2);
}

.asset-list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.asset-list li {
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  background: var(--color-bg);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.asset-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.asset-preview-grid img,
.asset-preview-grid video {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  display: block;
}

.actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}