/* =========================================
   キーワード並べ替えタイトル作成ツール
   style.css v1.0.1
   ※ common.css と併用。body / .container は common.css に委譲。
   ========================================= */

/* ---- ツール固有変数 ---- */
:root {
  --surface: #ffffff;
  --border: #e0ddd6;
  --border-focus: #b0a898;

  --text-primary: #1a1816;
  --text-secondary: #6b6560;
  --text-hint: #9c9690;

  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #eff4ff;

  --btn-ghost-bg: #f0ede8;
  --btn-ghost-hover: #e5e1da;

  --kw-default-bg: #f0ede8;
  --kw-default-border: #d8d4cd;
  --kw-default-text: #2a2724;
  --kw-used-bg: #e8f0fe;
  --kw-used-border: #a3b8f0;
  --kw-used-text: #1e40af;

  --warn-color: #d97706;
  --warn-bg: #fffbeb;
  --error-color: #dc2626;

  --green: #16a34a;
  --green-light: #f0fdf4;

  --radius: 8px;
  --radius-sm: 5px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
}

/* ---- ツールコンテナ ---- */
.tool-container {
  max-width: 680px;
  padding-bottom: 60px;
}

/* ---- ツールヘッダー ---- */
.tool-heading {
  padding: 28px 0 20px;
}

.tool-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-hint);
  background: var(--border);
  padding: 3px 8px;
  border-radius: 20px;
  margin-bottom: 10px;
  font-family: 'Courier New', Courier, monospace;
}

.tool-heading h1 {
  font-size: clamp(22px, 5vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 8px;
  /* common.css の h1 スタイルを上書き */
  font-size: clamp(22px, 5vw, 28px);
}

.tool-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ---- Security Notice ---- */
.security-notice {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: #f0f7ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 12px;
  font-size: 12px;
  color: #1e40af;
  line-height: 1.6;
}

.security-icon {
  flex-shrink: 0;
  font-size: 14px;
  line-height: 1.6;
}

/* ---- Step Blocks ---- */
.step-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  animation: slideIn 0.22s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.step-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  min-width: 22px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  font-family: 'Courier New', Courier, monospace;
}

/* ---- Textarea ---- */
textarea {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-primary);
  background: #f5f4f0;
  resize: vertical;
  transition: border-color 0.15s, box-shadow 0.15s;
  line-height: 1.7;
}

textarea::placeholder {
  color: var(--text-hint);
  font-size: 13px;
}

textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.10);
  background: #fff;
}

.input-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  gap: 10px;
  flex-wrap: wrap;
}

.hint-text {
  font-size: 12px;
  color: var(--text-hint);
}

/* ---- Buttons ---- */
button {
  cursor: pointer;
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-weight: 600;
  transition: background 0.13s, opacity 0.13s, transform 0.08s;
  white-space: nowrap;
}

button:active { transform: scale(0.97); }
button:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  padding: 10px 20px;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-secondary {
  background: transparent;
  color: var(--accent);
  font-size: 14px;
  padding: 10px 16px;
  border: 1.5px solid var(--accent);
}
.btn-secondary:hover:not(:disabled) { background: var(--accent-light); }

.btn-ghost {
  background: var(--btn-ghost-bg);
  color: var(--text-secondary);
  font-size: 14px;
  padding: 10px 16px;
}
.btn-ghost:hover:not(:disabled) { background: var(--btn-ghost-hover); color: var(--text-primary); }

.btn-sm { font-size: 12px; padding: 7px 12px; }

/* ---- Button Rows ---- */
.btn-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.action-row { margin-top: 12px; }
.sub-actions { margin-top: 12px; justify-content: flex-end; }

/* ---- Keyword Grid ---- */
.keyword-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 40px;
}

.kw-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--kw-default-bg);
  border: 1.5px solid var(--kw-default-border);
  color: var(--kw-default-text);
  font-size: 13px;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.13s, border-color 0.13s, color 0.13s, transform 0.08s;
  min-height: 40px;
  font-family: inherit;
}

.kw-btn:hover:not(.used) { background: #e6e2da; border-color: #c4bfb7; }
.kw-btn:active { transform: scale(0.95); }

.kw-btn.used {
  background: var(--kw-used-bg);
  border-color: var(--kw-used-border);
  color: var(--kw-used-text);
}
.kw-btn.used:hover { background: #dce8fd; }

.kw-btn .used-mark { font-size: 10px; opacity: 0.7; font-weight: 400; }

/* ---- Title Display ---- */
.title-display-wrap {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: #f5f4f0;
  overflow: hidden;
}

.title-display {
  padding: 14px 16px;
  min-height: 56px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-primary);
  word-break: break-all;
}

.title-placeholder {
  color: var(--text-hint);
  font-weight: 400;
  font-size: 14px;
}

.title-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.char-count {
  font-size: 12px;
  font-family: 'Courier New', Courier, monospace;
  color: var(--text-secondary);
  font-weight: 600;
}
.char-count.over { color: var(--warn-color); font-weight: bold; }

.char-warn {
  font-size: 12px;
  color: var(--warn-color);
  background: var(--warn-bg);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  animation: warnPulse 0.3s ease;
}

@keyframes warnPulse {
  0%   { transform: scale(0.9); opacity: 0; }
  60%  { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}

/* ---- Copy Feedback ---- */
.copy-feedback {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--green);
  font-weight: 600;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Error ---- */
.error-msg {
  margin-top: 8px;
  font-size: 13px;
  color: var(--error-color);
  font-weight: 600;
  padding: 8px 12px;
  background: #fff5f5;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--error-color);
}

/* ---- Saved List ---- */
.saved-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.saved-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #f5f4f0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  animation: slideIn 0.18s ease;
}

.saved-item-body { flex: 1; min-width: 0; }

.saved-title-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
  line-height: 1.5;
}

.saved-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.saved-char { font-size: 11px; font-family: 'Courier New', Courier, monospace; color: var(--text-hint); }
.saved-char.over { color: var(--warn-color); }
.saved-index { font-size: 11px; color: var(--text-hint); }

.btn-copy-saved {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.13s, border-color 0.13s;
}
.btn-copy-saved:hover { background: var(--btn-ghost-hover); border-color: var(--border-focus); }
.btn-copy-saved.copied { color: var(--green); border-color: var(--green); background: var(--green-light); }

/* ---- Responsive ---- */
@media (max-width: 480px) {
  .tool-heading { padding: 20px 0 16px; }
  .step-block { padding: 16px; border-radius: 10px; }
  .btn-primary, .btn-secondary, .btn-ghost { font-size: 14px; padding: 11px 14px; }
  .action-row { gap: 6px; }
  .kw-btn { font-size: 13px; padding: 10px 12px; min-height: 44px; }
  .title-display { font-size: 14px; }
}

/* =========================================
   v1.0.3 追加：選択済みキーワード チップエリア
   ========================================= */

.chips-hint {
  font-size: 12px;
  color: var(--text-hint);
  margin-bottom: 10px;
}

.chip-area {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 40px;
}

/* チップ本体 */
.kw-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-light);
  border: 1.5px solid var(--accent);
  border-radius: 20px;
  padding: 6px 10px 6px 14px;
  cursor: grab;
  user-select: none;
  transition: box-shadow 0.13s, opacity 0.13s, background 0.13s;
  min-height: 36px;
}

.kw-chip:active {
  cursor: grabbing;
}

/* ドラッグ中 */
.kw-chip.dragging {
  opacity: 0.4;
  box-shadow: 0 4px 12px rgba(37,99,235,0.20);
}

/* ドロップ先ハイライト */
.kw-chip.drag-over {
  background: #dbeafe;
  border-color: var(--accent-hover);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.18);
}

/* チップ内テキスト */
.chip-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.3;
  pointer-events: none;
}

/* 削除ボタン */
.chip-del {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  min-width: 20px;
  background: rgba(37,99,235,0.12);
  border: none;
  border-radius: 50%;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: background 0.12s, color 0.12s;
  /* grab カーソルを上書き */
  cursor: pointer;
}

.chip-del:hover {
  background: var(--accent);
  color: #fff;
}

/* スマホ：削除ボタン少し大きく */
@media (max-width: 480px) {
  .kw-chip {
    padding: 8px 10px 8px 14px;
    min-height: 40px;
  }

  .chip-del {
    width: 24px;
    height: 24px;
    min-width: 24px;
    font-size: 14px;
  }
}

/* =========================================
   v1.0.4 追加：リセット分離・保存案個別削除
   ========================================= */

/* すべてリセット：押しづらい見た目 */
.btn-reset-all {
  color: var(--text-hint);
  background: transparent;
  border: 1px dashed var(--border);
  font-size: 11px;
  padding: 5px 10px;
  margin-left: 8px;
  opacity: 0.7;
}

.btn-reset-all:hover:not(:disabled) {
  opacity: 1;
  color: var(--error-color);
  border-color: var(--error-color);
  background: #fff5f5;
}

/* 保存案のボタン行 */
.saved-btn-wrap {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 6px;
  flex-shrink: 0;
}

/* 保存案の削除ボタン */
.btn-del-saved {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-hint);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.13s, border-color 0.13s, color 0.13s;
}

.btn-del-saved:hover {
  color: var(--error-color);
  border-color: var(--error-color);
  background: #fff5f5;
}

/* すべて削除：一番下・離した位置・薄め */
#btn-clear-saved {
  margin-top: 12px;
  font-size: 11px;
  padding: 5px 10px;
  opacity: 0.55;
  color: var(--text-hint);
  background: transparent;
  border: 1px dashed var(--border);
}

#btn-clear-saved:hover {
  opacity: 1;
  color: var(--error-color);
  border-color: var(--error-color);
  background: #fff5f5;
}