:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #666666;
  --border: #222222;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

.site-header {
  border-bottom: 2px solid var(--border);
  padding: 16px 20px;
}

.site-header h1 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.site-header .sub {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

#app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.card {
  border: 1.5px solid var(--border);
  padding: 14px;
  margin-bottom: 14px;
  background: #fff;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.grid {
  display: grid;
  gap: 14px;
}

.grid.two {
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 900px) {
  .grid.two {
    grid-template-columns: 1fr;
  }
}

.form,
.inline-form {
  display: grid;
  gap: 10px;
}

.inline-form {
  grid-template-columns: 1fr auto auto;
  align-items: center;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
}

input,
textarea,
select,
button {
  width: 100%;
  border: 1.5px solid var(--border);
  background: #fff;
  color: var(--fg);
  padding: 9px 10px;
  border-radius: 0;
  font: inherit;
}

textarea {
  min-height: 90px;
  resize: vertical;
}

button {
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  background: #111;
  color: #fff;
}

button.outline,
button.danger {
  background: #fff;
}

button.outline:hover,
button.danger:hover {
  background: #111;
  color: #fff;
}

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.tabs button {
  width: auto;
  min-width: 120px;
}

.tab-panel.hidden {
  display: none;
}

.stack {
  display: grid;
  gap: 10px;
}

.item {
  border: 1px solid #333;
  padding: 10px;
}

.item h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.item header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.meta,
.hint {
  color: var(--muted);
  font-size: 0.82rem;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.actions button {
  width: auto;
}

.images {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.images img {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border: 1px solid #222;
}

.badge {
  display: inline-block;
  border: 1px solid #111;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 700;
}