@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #b9bbd3;
  --surface:   #ffffff;
  --border:    #e2e5ea;
  --text:      #1a1d23;
  --muted:     #6b7280;
  --accent:    #2563eb;

  --red-bg:    #fff1f1;
  --red-bd:    #fca5a5;
  --red-text:  #b91c1c;

  --ora-bg:    #fff7ed;
  --ora-bd:    #fdba74;
  --ora-text:  #c2410c;

  --yel-bg:    #fefce8;
  --yel-bd:    #fde047;
  --yel-text:  #92400e;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
}

/* ヘッダー */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  transition: background 0.3s, border-color 0.3s;
}
.logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text);
  text-decoration: none;
  transition: color 0.3s;
}
.logo span { color: var(--accent); transition: color 0.3s; }
.tagline {
  font-size: 12px;
  color: var(--muted);
  transition: color 0.3s;
}

/* 広告スロット（上部バナー 728x90） */
.ad-top {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 90px;
}
.ad-placeholder {
  width: 728px;
  height: 90px;
  background: #f1f5f9;
  border: 1px dashed #cbd5e1;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  font-size: 11px;
}

/* メインレイアウト（左右2カラム） */
.main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 1200px;
  margin: 20px auto;
  padding: 0 20px;
}

/* パネル共通 */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.panel-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.panel-header .actions {
  display: flex;
  gap: 6px;
}

/* ドロップゾーン */
.dropzone {
  margin: 12px;
  border: 2px dashed var(--border);
  border-radius: 6px;
  padding: 20px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  transition: border-color .15s, background .15s, opacity 0.3s;
}
.dropzone:hover,
.dropzone.dragover {
  border-color: var(--accent);
  background: #eff6ff;
  color: var(--accent);
}
.dropzone-icon { font-size: 24px; display: block; margin-bottom: 4px; }

/* 行番号付きエディタ */
.editor-wrap {
  display: flex;
  margin: 0 12px 12px;
  height: 340px;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color .15s;
  background: #fafafa;
}
.editor-wrap:focus-within {
  border-color: var(--accent);
  background: #fff;
}

/* 行番号列 */
.line-numbers {
  flex-shrink: 0;
  width: 40px;
  padding: 10px 6px;
  background: #f1f5f9;
  border-right: 1px solid var(--border);
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 12px;
  line-height: 1.6;
  color: #94a3b8;
  text-align: right;
  overflow: hidden;
  user-select: none;
}
.line-numbers span { display: block; }

/* テキスト入力エリア */
textarea {
  flex: 1;
  height: 100%;
  resize: none;
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 12px;
  line-height: 1.6;
  border: none;
  padding: 10px 12px;
  background: transparent;
  color: var(--text);
  outline: none;
  overflow-x: auto;
  overflow-y: auto;
  white-space: pre;
}
textarea::placeholder { color: #9ca3af; white-space: pre-wrap; }

/* ボタン */
.btn {
  padding: 5px 12px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: opacity .15s, background 0.3s, color 0.3s;
}
.btn:hover { opacity: .8; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost   { background: transparent; border-color: var(--border); color: var(--muted); }

/* 検出結果エリア */
.results-body {
  padding: 12px;
  height: 440px;
  overflow-y: auto;
}

/* 結果なし・空状態 */
.empty-state {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  gap: 6px;  transition: color 0.3s;}
.empty-state-icon { font-size: 32px; }
.empty-state p { font-size: 13px; }

/* 件数サマリーバッジ */
.summary-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.badge {
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid;
}
.badge-red    { background: var(--red-bg); border-color: var(--red-bd); color: var(--red-text); }
.badge-orange { background: var(--ora-bg); border-color: var(--ora-bd); color: var(--ora-text); }
.badge-yellow { background: var(--yel-bg); border-color: var(--yel-bd); color: var(--yel-text); }

/* 検出結果カード */
.finding {
  border: 1px solid;
  border-radius: 0;
  padding: 8px 10px;
  margin-bottom: 8px;
  font-size: 12px;
}
.finding-red    { background: var(--red-bg); border-color: var(--red-bd); }
.finding-orange { background: var(--ora-bg); border-color: var(--ora-bd); }
.finding-yellow { background: var(--yel-bg); border-color: var(--yel-bd); }

.finding-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}
.finding-label {
  font-weight: 600;
  flex: 1;
}
.finding-label.red    { color: var(--red-text); }
.finding-label.orange { color: var(--ora-text); }
.finding-label.yellow { color: var(--yel-text); }

.finding-line {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}
.finding-context {
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 11px;
  color: #374151;
  background: rgba(0,0,0,.04);
  border-radius: 3px;
  padding: 3px 6px;
  word-break: break-all;
}

/* 凡例 */
.legend {
  max-width: 1200px;
  margin: 0 auto 16px;
  padding: 0 20px;
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--muted);
  flex-wrap: wrap;
}
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-red    { background: #ef4444; }
.dot-orange { background: #f97316; }
.dot-yellow { background: #eab308; }

/* キャッチコピー */
.catchcopy {
  max-width: 1200px;
  margin: 16px auto 0;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.2px;
}

/* 安全性の案内 */
.notice {
  max-width: 1200px;
  margin: 0 auto 20px;
  padding: 0 20px;
}
.notice-inner {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 12px;
  color: #b91c1c;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}

/* フッター */
footer {
  text-align: center;
  padding: 24px;
  font-size: 11px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 20px;
}

/* スクロールバー（細め） */
.results-body::-webkit-scrollbar { width: 4px; }
.results-body::-webkit-scrollbar-track { background: transparent; }
.results-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; transition: background 0.3s; }

/* ダークモード */
body.dark-mode {
  --bg: #0f0f0f;
  --surface: #111;
  --border: #333;
  --text: #fff;
  --muted: #ccc;
  --accent: #0066ff;
  --red-bg: #300;
  --red-bd: #600;
  --red-text: #f00;
  --ora-bg: #330;
  --ora-bd: #660;
  --ora-text: #f60;
  --yel-bg: #330;
  --yel-bd: #660;
  --yel-text: #ff0;
}

body.dark-mode .panel, body.dark-mode header, body.dark-mode .ad-top, body.dark-mode footer {
  background: var(--surface);
  border-color: var(--accent);
}

body.dark-mode .logo, body.dark-mode .tagline, body.dark-mode footer {
  color: var(--text);
}

body.dark-mode .dropzone {
  border-color: var(--border);
  color: var(--muted);
}

body.dark-mode .dropzone:hover, body.dark-mode .dropzone.dragover {
  border-color: var(--accent);
  background: rgba(0,102,255,0.1);
}

body.dark-mode .notice-inner {
  background: #300;
  border-color: #600;
  color: #f00;
}

/* 検出中 */
body.detecting .logo span {
  color: red;
}

/* 開発者モード */
.dev-mode .dropzone {
  font-family: monospace;
}

.dev-mode .panel-header {
  font-family: monospace;
}

.dev-mode .tagline {
  font-family: monospace;
}

.dev-mode .empty-state p {
  font-family: monospace;
}

.dev-mode .finding-label {
  font-family: monospace;
}

.dev-mode .finding-context {
  font-family: monospace;
}