/**
 * StackPrompt v1.5 - Character Manager (Dark UI)
 */
.characters-page {
  --c-bg: #0f172a;
  --c-card: #1e293b;
  --c-border: #334155;
  --c-text: #e2e8f0;
  --c-muted: #94a3b8;
  --c-accent: #3b82f6;
  min-height: 100vh;
  background: var(--c-bg);
  color: var(--c-text);
  padding: 1rem;
}

.characters-page .characters-inner {
  max-width: 900px;
  margin: 0 auto;
}

.characters-page h1 { margin: 0 0 1rem 0; font-size: 1.5rem; }

.char-unified-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 1.25rem;
}

.char-list-wrap { }

.char-list-header { margin-bottom: 1rem; }

.char-btn-new {
  padding: 0.6rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, var(--c-accent) 0%, #2563eb 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.char-btn-new:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}
.char-btn-new:active {
  transform: translateY(0);
}

.char-list-title {
  margin: 0 0 0.75rem 0;
  font-size: 1rem;
  color: var(--c-muted);
}

.char-form-wrap { }

.char-back-btn {
  margin-bottom: 1rem;
  color: var(--c-muted);
}

.char-back-btn:hover { color: var(--c-accent); }

.char-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
}

.char-list-card {
  padding: 0.75rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.char-list-card:hover {
  border-color: var(--c-accent);
  background: rgba(59, 130, 246, 0.08);
}

.char-list-card-name {
  font-weight: 600;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.char-list-card-preview {
  font-size: 0.8rem;
  color: var(--c-muted);
  line-height: 1.35;
  word-break: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.char-field {
  margin-bottom: 1rem;
}

.char-field-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.char-field-label-row label {
  margin-bottom: 0;
}

.btn-ai-assist {
  flex-shrink: 0;
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--c-accent);
  background: rgba(59, 130, 246, 0.15);
  color: var(--c-accent);
  cursor: pointer;
}

.btn-ai-assist:hover {
  background: rgba(59, 130, 246, 0.25);
}

.char-field label {
  display: block;
  font-size: 0.85rem;
  color: var(--c-muted);
  margin-bottom: 0.25rem;
}

.char-field input,
.char-field textarea {
  width: 100%;
  padding: 0.5rem 0.6rem;
  font-size: 0.9rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 6px;
  color: var(--c-text);
}

.char-field textarea { min-height: 80px; resize: vertical; }

.char-actions { display: flex; gap: 0.5rem; margin-top: 1rem; }

.char-actions .btn {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  color: var(--c-text);
  cursor: pointer;
  font-size: 0.9rem;
}

.char-actions .btn:hover { background: var(--c-border); }

.char-actions-ide { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--c-border); }
.char-ide-label { font-size: 0.85rem; color: var(--c-muted); margin-right: 0.35rem; }
.char-overwrite-toggle {
  min-width: 4rem;
  padding: 0.35rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  cursor: pointer;
  background: var(--c-bg);
  color: var(--c-text);
}
.char-overwrite-toggle-off { background: rgba(34, 197, 94, 0.15); border-color: rgba(34, 197, 94, 0.5); color: #86efac; }
.char-overwrite-toggle-on { background: rgba(239, 68, 68, 0.2); border-color: rgba(239, 68, 68, 0.5); color: #fca5a5; }
.char-overwrite-toggle:hover { opacity: 0.9; }

.char-actions .btn-primary { background: var(--c-accent); border-color: var(--c-accent); }

.char-empty { color: var(--c-muted); padding: 2rem; text-align: center; }

/* ========== キャラ固定AIアシスト モーダル ========== */
.char-ai-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  box-sizing: border-box;
}

.char-ai-modal[hidden] { display: none; }

.char-ai-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  cursor: pointer;
}

.char-ai-modal-box {
  position: relative;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.char-ai-modal-title {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
}

.char-ai-modal-desc-block {
  color: var(--c-muted);
  font-size: 0.9rem;
  margin: 0 0 1rem 0;
  line-height: 1.6;
}

.char-ai-modal-desc-block p {
  margin: 0 0 0.5rem 0;
}

.char-ai-modal-desc-block p:last-child { margin-bottom: 0; }

.char-ai-recommend {
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.char-ai-recommend-note {
  font-size: 0.8rem;
  opacity: 0.9;
}

.char-ai-sb-cost {
  margin: 0 0 0.5rem 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-accent);
}

.char-ai-tips-bottom {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--c-border);
}

/* SB不足アラート */
.char-ai-sb-alert {
  position: fixed;
  inset: 0;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  box-sizing: border-box;
}

.char-ai-sb-alert[hidden] { display: none; }

.char-ai-sb-alert-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  cursor: pointer;
}

.char-ai-sb-alert-box {
  position: relative;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: 1.5rem;
  min-width: 280px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.char-ai-sb-alert-title {
  margin: 0 0 0.5rem 0;
  font-size: 1.1rem;
}

.char-ai-sb-alert-msg {
  color: var(--c-muted);
  font-size: 0.9rem;
  margin: 0 0 1rem 0;
}

.char-ai-sb-alert-box .btn { margin-top: 0; }

.char-ai-save-as-char-wrap { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--c-border); }
.char-ai-save-note { font-size: 0.8rem; color: var(--c-muted); margin: 0.5rem 0 0 0; line-height: 1.4; }
.char-ai-save-name-input {
  width: 100%; padding: 0.5rem 0.6rem; font-size: 0.95rem; margin-bottom: 1rem;
  background: var(--c-bg); border: 1px solid var(--c-border); border-radius: 6px; color: var(--c-text); box-sizing: border-box;
}
.char-ai-save-name-actions { display: flex; gap: 0.5rem; }

.char-ai-field {
  margin-bottom: 1rem;
}

.char-ai-field-label {
  display: block;
  font-size: 0.85rem;
  color: var(--c-muted);
  margin-bottom: 0.5rem;
}

.char-ai-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.char-ai-radio {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--c-text);
  cursor: pointer;
}

.char-ai-radio input { cursor: pointer; }

.char-ai-field label {
  display: block;
  font-size: 0.85rem;
  color: var(--c-muted);
  margin-bottom: 0.25rem;
}

.char-ai-field .char-ai-input,
.char-ai-field .char-ai-file,
.char-ai-field textarea {
  width: 100%;
  padding: 0.5rem 0.6rem;
  font-size: 0.9rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 6px;
  color: var(--c-text);
  box-sizing: border-box;
}

.char-ai-field textarea { min-height: 100px; resize: vertical; }

.char-ai-api-key-wrap .char-ai-input { font-family: monospace; }

.char-ai-tips {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.char-ai-tips-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-accent);
  margin: 0 0 0.35rem 0;
}

.char-ai-tips ul {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.85rem;
  color: var(--c-muted);
  line-height: 1.5;
}

.char-ai-generate-btn {
  margin-bottom: 1rem;
}

.char-ai-result {
  border-top: 1px solid var(--c-border);
  padding-top: 1rem;
}

.char-ai-result-block {
  margin-bottom: 1rem;
}

.char-ai-result-block:last-child { margin-bottom: 0; }

.char-ai-result-block label {
  display: block;
  font-size: 0.85rem;
  color: var(--c-muted);
  margin-bottom: 0.25rem;
}

.char-ai-out-pre {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 6px;
  padding: 0.6rem 0.8rem;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0 0 0.5rem 0;
  max-height: 120px;
  overflow-y: auto;
}

.char-ai-result-block .btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
}

.char-ai-modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--c-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 4px;
}

.char-ai-modal-close:hover {
  color: var(--c-text);
  background: var(--c-border);
}

@media (max-width: 640px) {
  .char-ai-modal-box { padding: 1rem; max-height: 85vh; }
  .char-ai-modal-title { font-size: 1.1rem; }
}