:root {
  --bg: #f5f5f5;
  --panel: #ffffff;
  --text: #1a1a1a;
  --muted: #888;
  --border: #e0e0e0;
  --accent: #1a1a1a;
  --accent-hover: #333;
  --soft: #f0f0f0;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

header {
  padding: 2rem 1rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

header h1 {
  margin: 0;
  font-weight: 300;
  font-size: 1.8rem;
  letter-spacing: 0.2em;
}

main {
  max-width: 720px;
  margin: 1.5rem auto;
  padding: 0 1rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.panel h2 {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.panel-head h2 { margin: 0; }

input, textarea, select {
  width: 100%;
  padding: 0.7rem 0.8rem;
  margin-bottom: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--panel);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
}
textarea { min-height: 4rem; resize: vertical; }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.7rem 1.4rem;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s;
}
button:hover { background: var(--accent-hover); }

.toggle-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.4rem 0.8rem;
  font-size: 0.7rem;
}
.toggle-btn:hover {
  background: var(--soft);
  color: var(--text);
}

.pick-controls {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.pick-controls label {
  font-size: 0.85rem;
  color: var(--muted);
}

.picked-area {
  padding: 1.5rem;
  background: var(--soft);
  text-align: center;
  font-size: 1.1rem;
  min-height: 3rem;
}
.picked-area strong { display: block; margin-bottom: 0.4rem; }
.picked-area .meta { color: var(--muted); font-size: 0.8rem; }

ul { list-style: none; padding: 0; margin: 0; }
.card-list li, .history-list li {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}
.card-list li:last-child, .history-list li:last-child { border-bottom: none; }

.card-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  margin: 0.5rem 0;
  background: var(--soft);
}
.picked-area .card-image {
  max-width: 320px;
  margin: 0.8rem auto;
  display: block;
}

.card-meta {
  color: var(--muted);
  font-size: 0.75rem;
  margin-top: 0.3rem;
  letter-spacing: 0.05em;
}

.row-actions {
  margin-top: 0.5rem;
  display: flex;
  gap: 0.4rem;
}
.row-actions button {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  font-size: 0.7rem;
}
.row-actions button:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.hidden { display: none; }

/* ---------- モーダル ---------- */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal.hidden { display: none; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
}

.modal-content {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 2rem;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-content h2 {
  margin: 0 0 1.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
}

.modal-content label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
  margin-top: 0.6rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.ghost-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.ghost-btn:hover {
  background: var(--soft);
  color: var(--text);
}

.image-preview {
  width: 120px;
  height: 120px;
  object-fit: cover;
  background: var(--soft);
  border: 1px solid var(--border);
  margin-top: 0.3rem;
  margin-bottom: 0.6rem;
  display: block;
}
.image-preview.hidden { display: none; }

/* ---------- コンパクト一覧 ---------- */
.card-list.compact li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.6rem 0.4rem;
  cursor: pointer;
  transition: background 0.1s;
}
.card-list.compact li:hover {
  background: var(--soft);
}
.card-list.compact .compact-thumb {
  width: 48px;
  height: 48px;
  object-fit: cover;
  background: var(--soft);
  flex-shrink: 0;
}
.card-list.compact .compact-thumb-placeholder {
  width: 48px;
  height: 48px;
  background: var(--soft);
  flex-shrink: 0;
}
.card-list.compact .compact-body {
  flex: 1;
  min-width: 0;
}
.card-list.compact .compact-title {
  font-weight: 500;
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.card-list.compact .compact-meta {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-top: 0.1rem;
}
.card-list.compact .chevron {
  color: var(--muted);
  font-size: 1rem;
  flex-shrink: 0;
}

/* ---------- ピック決定エリア ---------- */
.pick-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.8rem;
  flex-wrap: wrap;
}
.pick-actions.hidden { display: none; }

/* ---------- 詳細モーダル ---------- */
.detail-image {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--soft);
  display: block;
  margin: 0 auto 1rem;
}
.detail-text {
  margin: 0.5rem 0;
  white-space: pre-wrap;
}
.sub-heading {
  margin: 1.5rem 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.danger-btn {
  background: transparent;
  color: #c33;
  border: 1px solid #c33;
}
.danger-btn:hover {
  background: #c33;
  color: white;
}