/* ─────────────────────────────────────
   Problems Admin Styles
   ───────────────────────────────────── */

/* タブ */
.pb-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--border);
}
.pb-btn {
  background: transparent;
  border: none;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--gray);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
}
.pb-btn:hover { color: var(--burgundy); }
.pb-active {
  color: var(--burgundy);
  border-bottom-color: var(--burgundy);
}

/* ステップカード */
.pb-step {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 3px solid var(--burgundy);
  border-radius: 4px;
  padding: 18px 22px;
  margin-bottom: 16px;
}
.pb-step h2 {
  margin: 0 0 12px;
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--dark);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}
.pb-step-no {
  display: inline-flex;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--burgundy);
  color: #fff;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

.pb-hint {
  font-size: 12px;
  color: var(--gray);
  margin: 8px 0 0;
}

input[type="file"] {
  font-size: 14px;
  margin-right: 8px;
}

.btn-primary {
  background: var(--burgundy);
  color: #fff;
  border: none;
  padding: 9px 22px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  letter-spacing: 0.04em;
}
.btn-primary:hover:not(:disabled) { background: var(--dark); }
.btn-primary:disabled { background: var(--gray); cursor: not-allowed; opacity: 0.6; }

.btn-secondary {
  background: transparent;
  color: var(--burgundy);
  border: 1px solid var(--burgundy);
  padding: 7px 18px;
  font-size: 13px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
}
.btn-secondary:hover {
  background: var(--burgundy);
  color: #fff;
}

/* ステータス */
.pb-status {
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: 3px;
  font-size: 13px;
  min-height: 18px;
}
.pb-status.loading { background: #fef9e7; border: 1px solid var(--gold); color: var(--dark); }
.pb-status.error   { background: #fef0f0; border: 1px solid #cc3333; color: #aa1111; }
.pb-status.ok      { background: #e8f4ed; border: 1px solid #6ba07f; color: #2a5a3d; }
.pb-status:empty { display: none; }

/* YAML エディタ */
#yaml-editor {
  width: 100%;
  min-height: 280px;
  font-family: Menlo, Consolas, monospace;
  font-size: 13px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fafaf3;
  color: var(--ink);
  resize: vertical;
  line-height: 1.5;
  tab-size: 2;
}
#yaml-editor:focus { outline: 2px solid var(--gold); border-color: var(--gold); }

.pb-yaml-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}
.pb-validate-msg {
  font-size: 12px;
  color: var(--gray);
}
.pb-validate-msg.ok  { color: #2a5a3d; }
.pb-validate-msg.err { color: #aa1111; }

/* 進捗 */
.pb-progress {
  margin-top: 12px;
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px;
}
.pb-progress-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 6px;
}
.pb-progress-fill {
  height: 100%;
  background: var(--burgundy);
  width: 0%;
  transition: width 0.3s;
}
.pb-progress-text {
  font-size: 12px;
  color: var(--gray);
  margin-bottom: 8px;
}
.pb-progress-log {
  max-height: 200px;
  overflow-y: auto;
  font-family: Menlo, Consolas, monospace;
  font-size: 11px;
  background: #fff;
  border: 1px solid var(--border);
  padding: 8px;
  border-radius: 3px;
}
.pb-log-line {
  padding: 2px 0;
  color: var(--gray);
}
.pb-log-line.ok { color: #2a5a3d; }
.pb-log-line.ng { color: #aa1111; }

/* 一覧 */
.pb-library-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding: 10px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.pb-library-stats {
  font-size: 13px;
  color: var(--gray);
}
.pb-library-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pb-book-card {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 3px solid var(--burgundy);
  border-radius: 4px;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.pb-book-main { flex: 1; }
.pb-book-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}
.pb-book-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--gray);
  flex-wrap: wrap;
}
.pb-level {
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 0 6px;
  border-radius: 2px;
}
.pb-book-date {
  font-size: 11px;
  color: var(--gray);
  margin-top: 2px;
}
.pb-book-actions { display: flex; gap: 6px; }
.pb-mini {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--gray);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 3px;
  cursor: pointer;
}
.pb-mini:hover { border-color: var(--burgundy); color: var(--burgundy); }
.pb-mini.danger:hover { border-color: #cc3333; color: #cc3333; }

.pb-empty {
  text-align: center;
  color: var(--gray);
  padding: 32px;
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: 4px;
}

/* モーダル */
.pb-overlay {
  position: fixed;
  inset: 0;
  background: rgba(42, 33, 24, 0.78);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
.pb-overlay[hidden] { display: none !important; }
.pb-modal {
  background: var(--off-white);
  border-radius: 8px;
  width: 100%;
  max-width: 760px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  overflow: hidden;
}
.pb-modal-header {
  background: var(--burgundy);
  color: #fff;
  padding: 12px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.pb-modal-header h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}
#book-close {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 3px;
  width: 28px;
  height: 28px;
  font-size: 16px;
  cursor: pointer;
  line-height: 1;
}
#book-close:hover { background: rgba(255,255,255,0.15); }
.pb-modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}
.pb-problem {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 16px;
  margin-bottom: 12px;
}
.pb-problem-head {
  font-size: 13px;
  font-weight: 700;
  color: var(--burgundy);
  margin-bottom: 8px;
}
.pb-sent-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.pb-sent-list li {
  padding: 8px 0;
  border-top: 1px solid var(--border);
}
.pb-sent-list li:first-child { border-top: none; }
.pb-sent {
  font-family: Georgia, serif;
  font-size: 14px;
  margin-bottom: 4px;
  color: var(--ink);
}
.pb-sent-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}
.pb-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 2px;
  letter-spacing: 0.05em;
}
.pb-badge.ok { background: #6ba07f; color: #fff; }
.pb-badge.ng { background: var(--gray); color: #fff; }
.pb-sent-link {
  color: var(--burgundy);
  text-decoration: underline;
  font-size: 11px;
}
.pb-problem-notes {
  margin-top: 8px;
  font-size: 12px;
  color: var(--gray);
  font-style: italic;
}

@media (max-width: 600px) {
  .pb-book-card { flex-direction: column; align-items: stretch; }
  .pb-book-actions { justify-content: flex-end; }
  #yaml-editor { font-size: 12px; }
}