/* 内部告発サイト 共通スタイル */

:root {
  --color-bg: #0a0f1a;
  --color-surface: #141b2d;
  --color-surface-hover: #1c2640;
  --color-border: rgba(148, 163, 184, 0.12);
  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-primary-glow: rgba(99, 102, 241, 0.15);
  --color-text: #e8edf5;
  --color-text-muted: #7a8ba8;
  --color-success: #34d399;
  --color-warning: #fbbf24;
  --color-danger: #f87171;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* 微細なグリッドパターン背景 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(52, 211, 153, 0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

.container {
  max-width: 740px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* ヘッダー */
.site-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.site-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-header p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 400;
}

/* ナビゲーション */
nav {
  display: flex;
  gap: 0.25rem;
  justify-content: center;
  margin-bottom: 2rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 0.3rem;
  border: 1px solid var(--color-border);
}

nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-size: 0.85rem;
  font-weight: 500;
  position: relative;
}

nav a:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

nav a.active {
  color: white;
  background: var(--color-primary);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* カード */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
  transition: border-color var(--transition);
}

.card:hover {
  border-color: rgba(148, 163, 184, 0.2);
}

.card h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 1.1rem;
  letter-spacing: -0.01em;
}

/* フォーム */
label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

select,
input[type="text"],
input[type="password"],
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.95rem;
  font-family: inherit;
  margin-bottom: 1rem;
  transition: all var(--transition);
}

select:focus,
input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
  background: rgba(0, 0, 0, 0.35);
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237a8ba8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

textarea {
  min-height: 160px;
  resize: vertical;
}

input[type="file"] {
  padding: 0.6rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

input[type="file"]:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-glow);
}

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  gap: 0.4rem;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(148, 163, 184, 0.25);
}

/* アラート */
.alert {
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.85rem;
  line-height: 1.6;
  border-left: 3px solid;
}

.alert-success {
  background: rgba(52, 211, 153, 0.08);
  border-left-color: var(--color-success);
  color: var(--color-success);
}

.alert-error {
  background: rgba(248, 113, 113, 0.08);
  border-left-color: var(--color-danger);
  color: var(--color-danger);
}

.alert-warning {
  background: rgba(251, 191, 36, 0.08);
  border-left-color: var(--color-warning);
  color: var(--color-warning);
}

.alert-info {
  background: rgba(99, 102, 241, 0.08);
  border-left-color: var(--color-primary);
  color: #93a5f6;
}

/* トークン表示 */
.token-display {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  margin: 1.25rem 0;
  position: relative;
  overflow: hidden;
}

.token-display::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-glow) 0%, transparent 60%);
  pointer-events: none;
}

.token-display code {
  display: block;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin: 0.75rem 0;
  word-break: break-all;
  font-weight: 600;
  position: relative;
}

.token-display small {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  position: relative;
}

/* ステータスバッジ */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.status-received {
  background: rgba(99, 102, 241, 0.15);
  color: #93a5f6;
}

.status-investigating {
  background: rgba(251, 191, 36, 0.15);
  color: var(--color-warning);
}

.status-resolved {
  background: rgba(52, 211, 153, 0.15);
  color: var(--color-success);
}

.status-dismissed {
  background: rgba(148, 163, 184, 0.15);
  color: var(--color-text-muted);
}

/* メッセージスレッド */
.messages {
  margin-top: 1.5rem;
}

.message {
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.7rem;
  font-size: 0.9rem;
  transition: background var(--transition);
}

.message-reporter {
  background: rgba(99, 102, 241, 0.06);
  border-left: 3px solid var(--color-primary);
}

.message-admin {
  background: rgba(52, 211, 153, 0.06);
  border-left: 3px solid var(--color-success);
}

.message .meta {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* レポート一覧（管理者用） */
.report-list-item {
  padding: 1rem 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.6rem;
  cursor: pointer;
  transition: all var(--transition);
}

.report-list-item:hover {
  background: var(--color-surface-hover);
  border-color: rgba(148, 163, 184, 0.2);
  transform: translateX(2px);
}

.report-list-item .report-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.3rem;
}

.report-list-item .report-subject {
  font-weight: 500;
  font-size: 0.95rem;
}

.report-list-item .report-meta {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* セキュリティ注意事項 */
.security-notice {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.security-notice ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.security-notice li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.security-notice li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* フッター */
.site-footer {
  text-align: center;
  padding: 2rem 0 1rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  margin-top: 3rem;
}

/* ユーティリティ */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

/* フォームグループ */
.form-group {
  margin-bottom: 1rem;
}

/* チェックボックス・ラベルのインラインスタイル */
input[type="checkbox"] {
  accent-color: var(--color-primary);
  margin-right: 0.4rem;
  vertical-align: middle;
}

label:has(input[type="checkbox"]) {
  text-transform: none;
  letter-spacing: normal;
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
}

/* スクロールバー */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.2);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.35);
}

/* アニメーション */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.card {
  animation: fadeIn 0.3s ease-out;
}

/* レスポンシブ */
@media (max-width: 640px) {
  .container {
    padding: 1.25rem 1rem;
  }

  nav {
    flex-direction: column;
    align-items: stretch;
  }

  nav a {
    text-align: center;
  }

  .card {
    padding: 1.25rem;
  }

  .site-header h1 {
    font-size: 1.35rem;
  }

}

/* ============================================================
   Markdown レンダリングスタイル
   ============================================================ */

.markdown-body h1 {
  font-size: 1.4rem;
  margin: 1.2rem 0 0.6rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.3rem;
  font-weight: 600;
}

.markdown-body h2 {
  font-size: 1.2rem;
  margin: 1rem 0 0.5rem;
  font-weight: 600;
}

.markdown-body h3 {
  font-size: 1.05rem;
  margin: 0.8rem 0 0.4rem;
  font-weight: 600;
}

.markdown-body p {
  margin: 0.6rem 0;
  line-height: 1.8;
}

.markdown-body strong {
  font-weight: 600;
}

.markdown-body em {
  font-style: italic;
}

.markdown-body del {
  text-decoration: line-through;
  opacity: 0.7;
}

.markdown-body code {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

.markdown-body pre {
  background: rgba(0, 0, 0, 0.3);
  padding: 1rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 0.8rem 0;
}

.markdown-body pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
}

.markdown-body blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: 1rem;
  margin: 0.6rem 0;
  color: var(--color-text-muted);
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.5rem;
  margin: 0.6rem 0;
}

.markdown-body li {
  margin: 0.2rem 0;
  line-height: 1.7;
}

.markdown-body hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 1rem 0;
}

.markdown-body table {
  border-collapse: collapse;
  width: 100%;
  margin: 0.8rem 0;
}

.markdown-body th,
.markdown-body td {
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.8rem;
  text-align: left;
  font-size: 0.9rem;
}

.markdown-body th {
  background: rgba(0, 0, 0, 0.2);
  font-weight: 600;
}

.markdown-body a {
  color: var(--color-primary);
  text-decoration: underline;
}

.markdown-body a:hover {
  color: var(--color-primary-hover);
}

.markdown-body img {
  max-width: 100%;
  border-radius: var(--radius-sm);
  margin: 0.5rem 0;
}

/* ============================================================
   Markdownエディタ（管理画面用）
   ============================================================ */

.md-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
  position: relative;
}

.md-toolbar button {
  padding: 0.3rem 0.6rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
  cursor: pointer;
  font-size: 0.8rem;
  font-family: inherit;
  transition: all var(--transition);
}

.md-toolbar button:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-primary);
}

.md-editor-container {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.md-editor-pane {
  width: 100%;
}

.md-preview-pane {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  overflow-y: auto;
  max-height: 500px;
}

.md-preview-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0.8rem 0 0.4rem;
}