/* ============================================
   契約・更新期限管理アプリ - スタイルシート
   ============================================ */

/* --- リセットと基本設定 --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* カラーパレット */
  --color-bg: #f4f6f8;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-sub: #5f6368;
  --color-border: #dadce0;
  --color-primary: #1a73e8;
  --color-primary-hover: #1557b0;

  /* 状態カラー */
  --status-normal-border: #66bb6a;
  --status-normal-bg: #ffffff;

  --status-warn-border: #f9a825;
  --status-warn-bg: #fff8e1;

  --status-danger-border: #e53935;
  --status-danger-bg: #ffebee;

  --status-inactive-border: #bdbdbd;
  --status-inactive-bg: #fafafa;
  --status-inactive-text: #9e9e9e;

  /* レイアウト */
  --max-width: 720px;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Meiryo", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100dvh;
}

/* --- ヘッダー --- */
.app-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 16px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.app-title {
  font-size: 1.1rem;
  font-weight: 700;
  white-space: nowrap;
}

.header-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* --- メインコンテンツ --- */
.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px;
}

/* --- ボタン共通 --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 18px;
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
  /* タップしやすい最小サイズ */
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: #e8eaed;
  color: var(--color-text);
}
.btn-secondary:hover {
  background: #d2d5d9;
}

.btn-danger {
  background: #d32f2f;
  color: #fff;
}
.btn-danger:hover {
  background: #b71c1c;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
  min-height: 36px;
}

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  min-width: 36px;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-sub);
}
.btn-icon:hover {
  background: #e8eaed;
}

/* --- 登録フォーム --- */
.form-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.form-section.hidden {
  display: none;
}

.form-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-text);
}

.form-group label .required {
  color: #d32f2f;
  font-size: 0.75rem;
  margin-left: 4px;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  background: #fff;
  min-height: 44px;
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
}

/* 契約区分チェックボックス（排他選択） */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.checkbox-item {
  position: relative;
}

.checkbox-item input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-item label {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  min-height: 40px;
  background: #fff;
}

.checkbox-item input[type="checkbox"]:checked + label {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

/* --- 契約カード一覧 --- */
.card-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contract-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 14px 14px 18px;
  cursor: pointer;
  position: relative;
  box-shadow: var(--shadow-sm);
  border-left: 5px solid transparent;
}

/* 状態別スタイル */
.contract-card.status-normal {
  background: var(--status-normal-bg);
  border-left-color: var(--status-normal-border);
}

.contract-card.status-warn {
  background: var(--status-warn-bg);
  border-left-color: var(--status-warn-border);
  font-weight: 700;
}

.contract-card.status-danger {
  background: var(--status-danger-bg);
  border-left-color: var(--status-danger-border);
  font-weight: 700;
}

.contract-card.status-inactive {
  background: var(--status-inactive-bg);
  border-left-color: var(--status-inactive-border);
  color: var(--status-inactive-text);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.card-name {
  font-size: 1rem;
  font-weight: 700;
}

.card-days {
  font-size: 0.9rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.card-sub {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  margin-top: 4px;
}

.contract-card.status-inactive .card-sub {
  color: var(--status-inactive-text);
}

.card-days.overdue {
  color: #d32f2f;
}

/* 空メッセージ */
.empty-message {
  text-align: center;
  color: var(--color-text-sub);
  padding: 40px 16px;
  font-size: 0.95rem;
}

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

.modal-overlay.hidden {
  display: none;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 440px;
  max-height: 85dvh;
  overflow-y: auto;
  padding: 24px 20px;
}

.modal-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.modal-body {
  font-size: 0.9rem;
  line-height: 1.7;
}

.modal-body dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 14px;
}

.modal-body dt {
  font-weight: 600;
  color: var(--color-text-sub);
  font-size: 0.82rem;
  white-space: nowrap;
}

.modal-body dd {
  font-size: 0.92rem;
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* 確認モーダル（更新・削除用） */
.confirm-text {
  font-size: 0.95rem;
  margin-bottom: 16px;
  text-align: center;
  line-height: 1.7;
}

.confirm-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.confirm-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.confirm-btn.yes {
  background: var(--color-primary);
  color: #fff;
}
.confirm-btn.yes:hover {
  background: var(--color-primary-hover);
}

.confirm-btn.no {
  background: #e8eaed;
  color: var(--color-text);
}
.confirm-btn.no:hover {
  background: #d2d5d9;
}

/* --- 金額確認ページ --- */
.money-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.money-section-title {
  font-size: 0.95rem;
  font-weight: 700;
  padding: 12px 16px;
  background: #f8f9fa;
  border-bottom: 1px solid var(--color-border);
}

.money-item {
  padding: 12px 16px;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
}

.money-item:last-of-type {
  border-bottom: none;
}

.money-item-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.money-item-name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.money-item-sub {
  font-size: 0.78rem;
  color: var(--color-text-sub);
}

.money-item-amount {
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.money-total {
  padding: 12px 16px;
  background: #f8f9fa;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 0.92rem;
}

.money-summary {
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 12px;
  text-align: center;
}

.money-summary-label {
  font-size: 0.85rem;
  color: var(--color-text-sub);
  margin-bottom: 4px;
}

.money-summary-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
}

.money-note {
  font-size: 0.78rem;
  color: var(--color-text-sub);
  text-align: center;
  margin-bottom: 20px;
}

/* --- ページナビ --- */
.page-nav {
  margin-bottom: 12px;
}

/* --- バリデーションエラー --- */
.form-error {
  color: #d32f2f;
  font-size: 0.78rem;
  margin-top: 3px;
  display: none;
}

.form-group.has-error input {
  border-color: #d32f2f;
}

.form-group.has-error .form-error {
  display: block;
}

/* --- レスポンシブ --- */
@media (max-width: 600px) {
  .main-content {
    padding: 12px;
  }

  .form-section {
    padding: 16px;
  }

  .modal {
    padding: 20px 16px;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }

  .modal-actions {
    flex-direction: column;
  }

  .modal-actions .btn {
    width: 100%;
  }

  .checkbox-group {
    gap: 6px;
  }

  .checkbox-item label {
    padding: 8px 12px;
    font-size: 0.82rem;
  }
}