/**
 * MPCC - メインスタイルシート
 * 白ベース、赤系アクセント、業務用ツールらしいシンプルで信頼感のあるデザイン
 */

/* ============================================================
   リセット & ベース
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #c0392b;
  --color-primary-dark: #962d22;
  --color-primary-light: #f8eceb;
  --color-accent: #e74c3c;

  --color-ok: #27ae60;
  --color-ok-bg: #eafaf1;
  --color-ok-border: #a9dfbf;

  --color-warning: #e67e22;
  --color-warning-bg: #fef9f0;
  --color-warning-border: #f5cba7;

  --color-error: #c0392b;
  --color-error-bg: #fdf3f2;
  --color-error-border: #f1948a;

  --color-unknown: #7f8c8d;
  --color-unknown-bg: #f8f9f9;
  --color-unknown-border: #bdc3c7;

  --color-parse-error: #8e44ad;
  --color-parse-error-bg: #f5eef8;
  --color-parse-error-border: #c39bd3;

  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-border: #e2e6ea;
  --color-text: #2c3e50;
  --color-text-secondary: #5d6d7e;
  --color-text-muted: #95a5a6;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);

  --font-sans: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'BIZ UDPGothic', Meiryo, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ============================================================
   ページ共通レイアウト
   ============================================================ */
.page {
  display: none;
  min-height: 100vh;
}

.page.active {
  display: block;
}

/* ============================================================
   ヘッダー
   ============================================================ */
.site-header {
  background: var(--color-surface);
  border-bottom: 3px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.site-header__badge {
  background: var(--color-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.site-header__title {
  font-size: 14px;
  color: var(--color-text-secondary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============================================================
   メインコンテンツ
   ============================================================ */
.main-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* ============================================================
   入力ページ
   ============================================================ */
.input-hero {
  margin-bottom: 32px;
}

.input-hero__title {
  font-size: 26px;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 8px;
}

.input-hero__subtitle {
  font-size: 14px;
  color: var(--color-text-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.input-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 32px;
  margin-bottom: 24px;
}

.input-card__label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.input-card__desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
  line-height: 1.6;
}

.input-format-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  background: #f8f9fa;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.input-textarea {
  width: 100%;
  min-height: 260px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fdfdfd;
  color: var(--color-text);
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.input-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.12);
}

.input-textarea::placeholder {
  color: #b0bec5;
  font-size: 13px;
}

/* ボタン共通 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
  white-space: nowrap;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  padding: 12px 28px;
  font-size: 15px;
  box-shadow: 0 2px 8px rgba(192, 57, 43, 0.25);
}

.btn--primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  box-shadow: 0 4px 16px rgba(192, 57, 43, 0.35);
  transform: translateY(-1px);
}

.btn--secondary {
  background: #f0f2f5;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover:not(:disabled) {
  background: #e4e8ed;
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.btn--ghost:hover {
  background: #f0f2f5;
}

.btn--small {
  padding: 6px 14px;
  font-size: 13px;
}

.input-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* サンプルセクション */
.sample-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px 32px;
  margin-bottom: 24px;
}

.sample-section__title {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.sample-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sample-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--color-primary-light);
  border: 1px solid #f1c4bf;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary-dark);
  cursor: pointer;
  transition: all 0.15s;
}

.sample-chip:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* 入力説明 */
.input-guide {
  background: #f0f4ff;
  border: 1px solid #c8d7f5;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 13px;
  color: #3a5a9c;
  line-height: 1.7;
}

.input-guide strong {
  font-weight: 700;
}

/* ============================================================
   結果ページ
   ============================================================ */
.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}

.result-header__title {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text);
}

/* サマリーカード群 */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.summary-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 20px 16px;
  text-align: center;
}

.summary-card__number {
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 6px;
}

.summary-card__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.03em;
}

.summary-card--total .summary-card__number { color: var(--color-text); }
.summary-card--ok .summary-card__number { color: var(--color-ok); }
.summary-card--warning .summary-card__number { color: var(--color-warning); }
.summary-card--error .summary-card__number { color: var(--color-error); }
.summary-card--unknown .summary-card__number { color: var(--color-unknown); }
.summary-card--parse-error .summary-card__number { color: var(--color-parse-error); }

/* 結果一覧 */
.result-section__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

.result-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 結果カード */
.result-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.result-card:hover {
  box-shadow: var(--shadow-md);
}

.result-card--ok {
  border-color: var(--color-ok-border);
}
.result-card--warning {
  border-color: var(--color-warning-border);
}
.result-card--error {
  border-color: var(--color-error-border);
}
.result-card--unknown {
  border-color: var(--color-unknown-border);
}
.result-card--parse-error {
  border-color: var(--color-parse-error-border);
}

/* カードヘッダー */
.result-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  user-select: none;
}

.result-card--ok .result-card__header { background: var(--color-ok-bg); }
.result-card--warning .result-card__header { background: var(--color-warning-bg); }
.result-card--error .result-card__header { background: var(--color-error-bg); }
.result-card--unknown .result-card__header { background: var(--color-unknown-bg); }
.result-card--parse-error .result-card__header { background: var(--color-parse-error-bg); }

.result-card__no {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-muted);
  min-width: 28px;
  text-align: center;
}

.status-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 900;
  flex-shrink: 0;
}

.status-icon--ok { background: var(--color-ok); color: #fff; }
.status-icon--warning { background: var(--color-warning); color: #fff; }
.status-icon--error { background: var(--color-error); color: #fff; }
.status-icon--unknown { background: var(--color-unknown); color: #fff; }
.status-icon--parse-error { background: var(--color-parse-error); color: #fff; }

.result-card__raw {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text);
  word-break: break-all;
}

.result-card__status-label {
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  white-space: nowrap;
}

.result-card--ok .result-card__status-label {
  background: var(--color-ok);
  color: #fff;
}
.result-card--warning .result-card__status-label {
  background: var(--color-warning);
  color: #fff;
}
.result-card--error .result-card__status-label {
  background: var(--color-error);
  color: #fff;
}
.result-card--unknown .result-card__status-label {
  background: var(--color-unknown);
  color: #fff;
}
.result-card--parse-error .result-card__status-label {
  background: var(--color-parse-error);
  color: #fff;
}

.result-card__toggle {
  font-size: 12px;
  color: var(--color-text-muted);
  transition: transform 0.2s;
  flex-shrink: 0;
}

.result-card__toggle.open {
  transform: rotate(180deg);
}

/* カードボディ（展開部分） */
.result-card__body {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.result-card__body.open {
  padding: 16px 20px;
  max-height: 1200px;
}

/* 詳細テーブル */
.detail-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  margin-bottom: 14px;
}

.detail-grid__key {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-secondary);
  white-space: nowrap;
  line-height: 1.6;
}

.detail-grid__value {
  font-size: 13px;
  color: var(--color-text);
  word-break: break-all;
  line-height: 1.6;
}

.detail-grid__value code {
  font-family: var(--font-mono);
  background: #f0f2f5;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 12px;
}

/* メッセージ一覧 */
.message-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.message-item {
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
}

.message-item--ok {
  background: var(--color-ok-bg);
  border-left: 3px solid var(--color-ok);
  color: var(--color-ok);
}

.message-item--warning {
  background: var(--color-warning-bg);
  border-left: 3px solid var(--color-warning);
  color: #a04000;
}

.message-item--error {
  background: var(--color-error-bg);
  border-left: 3px solid var(--color-error);
  color: var(--color-primary-dark);
}

.message-item--unknown {
  background: var(--color-unknown-bg);
  border-left: 3px solid var(--color-unknown);
  color: #5d6d7e;
}

.message-item__main {
  font-weight: 700;
  margin-bottom: 2px;
}

.message-item__detail {
  margin-top: 4px;
  color: inherit;
  opacity: 0.85;
}

/* 外部参照セクション */
.external-result {
  margin-top: 12px;
  padding: 12px 16px;
  background: #f8f9fb;
  border: 1px solid #dee3ea;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.external-result__title {
  font-weight: 700;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.external-result__loading {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
}

.external-result a {
  color: var(--color-primary);
  text-decoration: none;
}

.external-result a:hover {
  text-decoration: underline;
}

/* スピナー */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid #d0d5dd;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ローディングオーバーレイ */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.85);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 999;
}

.loading-overlay.active {
  display: flex;
}

.loading-overlay__spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #e0e0e0;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-overlay__text {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

/* フッター */
.site-footer {
  text-align: center;
  padding: 32px 24px;
  font-size: 12px;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  margin-top: 60px;
}

/* 注意バナー */
.notice-banner {
  background: #fff8e1;
  border: 1px solid #ffe082;
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 13px;
  color: #7d5c00;
  margin-bottom: 24px;
  line-height: 1.6;
}

.notice-banner a {
  color: #b37000;
  font-weight: 700;
}

/* ============================================================
   レスポンシブ対応
   ============================================================ */
@media (max-width: 600px) {
  .main-content {
    padding: 24px 16px 60px;
  }

  .input-hero__title {
    font-size: 20px;
  }

  .input-card {
    padding: 20px 18px;
  }

  .input-textarea {
    min-height: 200px;
    font-size: 13px;
  }

  .input-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn--primary {
    width: 100%;
    justify-content: center;
  }

  .summary-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .summary-card__number {
    font-size: 28px;
  }

  .site-header__title {
    display: none;
  }

  .result-card__raw {
    font-size: 12px;
  }

  .detail-grid {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .detail-grid__key {
    font-size: 11px;
    color: var(--color-text-muted);
  }

  .result-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 380px) {
  .summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================
   ユーティリティ
   ============================================================ */
.text-ok { color: var(--color-ok); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-muted { color: var(--color-text-muted); }
.text-mono { font-family: var(--font-mono); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ============================================================
   マスターを上書きするボタン
   ============================================================ */
.btn--master {
  background: #f0f4ff;
  color: #3a5a9c;
  border: 1px solid #c8d7f5;
  font-weight: 700;
}

.btn--master:hover:not(:disabled) {
  background: #3a5a9c;
  color: #fff;
  border-color: #3a5a9c;
}

.btn--master.is-custom {
  background: #fff3cd;
  color: #856404;
  border-color: #ffc107;
}

.btn--master.is-custom:hover:not(:disabled) {
  background: #ffc107;
  color: #fff;
  border-color: #ffc107;
}

.btn--danger {
  background: #fdf3f2;
  color: var(--color-error);
  border: 1px solid var(--color-error-border);
  font-weight: 700;
}

.btn--danger:hover:not(:disabled) {
  background: var(--color-error);
  color: #fff;
}

/* マスタ状態バッジ */
.master-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}

.master-badge--default {
  background: #f0f4ff;
  color: #3a5a9c;
  border: 1px solid #c8d7f5;
}

.master-badge--custom {
  background: #fff3cd;
  color: #856404;
  border: 1px solid #ffc107;
}

/* ============================================================
   モーダル
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  animation: slideUp 0.18s ease;
  overflow: hidden;
}

@keyframes slideUp {
  from { transform: translateY(16px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.modal__title {
  font-size: 17px;
  font-weight: 800;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal__close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--color-text-muted);
  line-height: 1;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}

.modal__close:hover {
  background: #f0f2f5;
  color: var(--color-text);
}

.modal__body {
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1;
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-top: 1px solid var(--color-border);
  background: #fafbfc;
  flex-shrink: 0;
  gap: 12px;
}

.modal__footer-left {
  display: flex;
  gap: 8px;
}

.modal__footer-right {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

/* モーダル内：現在のマスタ状態 */
.modal-master-status {
  margin-bottom: 14px;
}

/* タブ */
.modal-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 16px;
}

.modal-tab {
  background: none;
  border: none;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.modal-tab:hover {
  color: var(--color-primary);
}

.modal-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* パネル */
.modal-panel {
  display: none;
}

.modal-panel.active {
  display: block;
}

/* 説明文 */
.modal-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.modal-desc code {
  font-family: var(--font-mono);
  background: #f0f2f5;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 12px;
}

/* フォーマットヒント */
.modal-format-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  background: #f8f9fa;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  line-height: 1.8;
}

/* モーダル内テキストエリア */
.modal-textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fdfdfd;
  color: var(--color-text);
  resize: vertical;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.modal-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
}

.modal-textarea[readonly] {
  background: #f8f9fa;
  color: var(--color-text-secondary);
  cursor: default;
}

/* ファイルドロップゾーン */
.file-drop-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  user-select: none;
}

.file-drop-zone:hover,
.file-drop-zone.drag-over {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.file-drop-zone__icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.file-drop-zone__text {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.file-drop-zone__text small {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-muted);
}

.file-read-info {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ok);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* バリデーション結果 */
.validation-box {
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
}

.validation-box--ok {
  background: var(--color-ok-bg);
  border: 1px solid var(--color-ok-border);
  color: #1a6e3c;
}

.validation-box--warn {
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  color: #7d4000;
}

.validation-box--error {
  background: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  color: var(--color-primary-dark);
}

.validation-box__title {
  font-weight: 800;
  margin-bottom: 6px;
  font-size: 14px;
}

.validation-box ul {
  margin: 4px 0 0 16px;
  padding: 0;
}

.validation-box li {
  margin-bottom: 3px;
}

/* ============================================================
   モーダル レスポンシブ
   ============================================================ */
@media (max-width: 600px) {
  .modal {
    max-height: 95vh;
    border-radius: var(--radius-md);
  }

  .modal__header,
  .modal__body,
  .modal__footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .modal__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .modal__footer-left,
  .modal__footer-right {
    justify-content: stretch;
  }

  .modal__footer-right .btn {
    flex: 1;
    justify-content: center;
  }

  .modal-tabs {
    overflow-x: auto;
  }
}

/* ============================================================
   パスワードモーダル
   ============================================================ */
.modal--narrow {
  max-width: 420px;
}

.password-input {
  width: 100%;
  padding: 10px 14px;
  font-size: 15px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s;
  letter-spacing: 0.1em;
}

.password-input:focus {
  border-color: var(--color-primary);
}

.password-input.is-error {
  border-color: var(--color-error);
  background: var(--color-error-bg);
  animation: shake 0.3s ease;
}

.password-error {
  margin-top: 8px;
  padding: 8px 12px;
  background: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  border-radius: var(--radius-sm);
  color: var(--color-error);
  font-size: 13px;
  font-weight: 600;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}