/* 受験 UI（App.tsx とその配下）固有のスタイル。
   テーマ変数・reset・html/body 等の全ルート共通スタイルは src/global.css
   にある（spine-web#141）。ここに全ルートが依存する規則を足さないこと。 */

.app {
  height: 100vh;
  height: 100dvh;
  background-color: var(--bg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background-color 0.4s ease;
}

.app-main {
  flex: 1;
  padding: 24px 20px;
}

.add-section-btn {
  padding: 10px 20px;
  background: var(--secondary);
  color: var(--bg);
  border: 2px solid var(--bg);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  margin-right: 8px;
  box-shadow: none;
  transition: all 0.2s ease;
}

.add-section-btn:hover:not(:disabled) {
  background: var(--bg);
  color: var(--secondary);
  border-color: var(--secondary);
  transform: translateY(-1px);
  box-shadow: none;
}

.add-section-btn:disabled {
  background: var(--fg-muted);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  opacity: 0.5;
}

.url-input {
  padding: 8px 12px;
  border: 2px solid var(--input-border);
  background-color: var(--input-bg);
  color: var(--fg);
  border-radius: 6px;
  font-size: 14px;
  min-width: 200px;
  transition: all 0.2s ease;
}

.url-input:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: none;
}

.chars-per-line-control {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  padding: 8px 12px;
  background: var(--eval-bg);
  border: 2px solid var(--border-color);
  color: var(--fg);
  border-radius: 6px;
}

.chars-input {
  width: 80px;
  padding: 6px 8px;
  border: 2px solid var(--input-border);
  border-radius: 4px;
  text-align: center;
  background: var(--input-bg);
  color: var(--fg);
  cursor: pointer;
  font-size: 14px;
}

.question-title {
  margin: 0;
  color: var(--fg);
  font-size: 1.25em;
  font-weight: 700;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 0 1rem 0;
  color: var(--fg);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 0.5rem;
  width: 100%;
  display: flex;
  align-items: baseline;
  gap: 12px;
  transition: border-bottom-color 0.4s ease;
}

.section-title .score-badge {
  margin-left: auto;
  flex-shrink: 0;
}

.section-title.collapsible {
  cursor: pointer;
  user-select: none;
  transition:
    opacity 0.2s,
    margin-bottom 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.section-title.collapsible:hover {
  opacity: 0.8;
}

.section-title.collapsible::before {
  content: '▼ ';
  font-size: 0.7em;
  color: var(--primary);
  display: inline-block;
  transform: translateY(-2px);
}

.section-title.collapsible.collapsed {
  margin-bottom: 0;
}

.section-title.collapsible.collapsed::before {
  content: '▶ ';
}

.section-collapsible-wrapper {
  display: grid;
  grid-template-rows: 1fr;
  transition:
    grid-template-rows 0.2s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
}

.section-collapsible-wrapper.collapsed {
  grid-template-rows: 0fr;
  opacity: 0;
  pointer-events: none;
}

.section-collapsible-content {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.section-title.instruction {
  border-bottom-color: var(--fg-muted);
}

.section-title.instruction.collapsible::before {
  color: var(--fg-muted);
}

.section-title.main-question {
  align-items: center;
}

.section-title.selectable {
  align-items: center;
}

.selection-checkbox {
  display: inline-block;
  width: 22px;
  height: 22px;
  border: 2px solid var(--input-border);
  border-radius: 6px;
  flex-shrink: 0;
  cursor: pointer;
  background: var(--input-bg);
  position: relative;
  transition: all 0.2s;
}

.selection-checkbox:hover:not(.disabled) {
  border-color: var(--fg-muted);
}

.selection-checkbox.checked {
  border-color: var(--primary);
  background: var(--primary);
}

.selection-checkbox.checked::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 12px;
  border: 2px solid var(--bg);
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.selection-checkbox.disabled {
  border-color: var(--border-color);
  background: var(--eval-bg);
  cursor: not-allowed;
}

.selection-checkbox.disabled.checked {
  border-color: var(--fg-muted);
  background: var(--fg-muted);
}

.selection-hint {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-muted);
  margin-left: 8px;
}

.section-title.selected .selection-hint {
  color: var(--primary);
}

.sub-question-group .question-header {
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sub-question-instruction {
  font-size: 0.95em;
  color: var(--fg);
  line-height: 1.5;
  padding: 10px 14px;
  background: var(--eval-bg);
  border-left: 4px solid var(--primary);
  border-radius: 0 8px 8px 0;
  margin-top: 8px;
  margin-bottom: 12px;
  width: 100%;
  box-sizing: border-box;
}

.question-item-flat {
  margin-bottom: 16px;
}

.question-item-flat .section {
  border: none;
  border-radius: 0;
  margin: 0;
  padding: 0;
  max-width: none;
}

.question-item-flat .section.normal-mode {
  width: 100%;
}

.question-item-flat + .question-item-flat .section {
  border-top: 2px solid var(--border-color);
  padding-top: 16px;
}

.auth-screen {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  padding: 20px;
}

.auth-form {
  background: var(--glass-bg);
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
  max-width: 380px;
  border: 2px solid var(--border-color);
  color: var(--fg);
}

.auth-form h1 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--fg);
  text-align: center;
  margin-bottom: 0.5rem;
  letter-spacing: -0.025em;
}

.auth-form input {
  padding: 12px 16px;
  border: 2px solid var(--input-border);
  background-color: var(--input-bg);
  color: var(--fg);
  border-radius: 8px;
  font-size: 15px;
  transition: all 0.2s;
}

.auth-form input:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 2px var(--secondary);
}

.auth-form button {
  padding: 12px;
  background: var(--secondary);
  color: var(--bg);
  border: 2px solid var(--bg);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: none;
  transition: all 0.2s;
}

.auth-form button:hover:not(:disabled) {
  background: var(--bg);
  color: var(--secondary);
  border-color: var(--secondary);
  box-shadow: none;
}

.auth-form .password-input-wrapper {
  position: relative;
  width: 100%;
  display: flex;
}

.auth-form .password-input-wrapper input {
  width: 100%;
  padding-right: 44px;
}

.auth-form .password-toggle-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  color: var(--fg-muted);
  padding: 0;
  border: none;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
}

.auth-form .password-toggle-btn:hover:not(:disabled) {
  background: transparent;
  color: var(--fg);
}

.auth-form button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.auth-upgrade-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-muted);
  background: var(--eval-bg);
  border-radius: 6px;
  padding: 10px 12px;
  margin: 0;
}

/* 新規登録時のパスワードポリシー注記（spine-web#202） */
.auth-password-hint {
  font-size: 12px;
  line-height: 1.5;
  color: var(--fg-muted);
  margin: 0;
  text-align: left;
}

.auth-error {
  color: #ef4444;
  font-size: 14px;
  text-align: center;
  background: rgba(239, 68, 68, 0.1);
  padding: 8px;
  border: 2px solid rgba(239, 68, 68, 0.2);
  border-radius: 6px;
}

.auth-switch {
  text-align: center;
  font-size: 14px;
  color: var(--fg-muted);
  margin-top: 0.5rem;
}

.auth-switch a {
  color: var(--primary);
  text-decoration: underline;
  cursor: pointer;
  font-weight: 600;
}

.auth-switch a:hover {
  color: var(--primary-hover);
}

.terms-checkbox-container {
  font-size: 14px;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
}

.terms-checkbox-container label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.terms-checkbox-container input[type='checkbox'] {
  width: 16px;
  height: 16px;
  padding: 0;
  margin: 0;
}

.terms-checkbox-container a {
  color: var(--primary);
  text-decoration: underline;
}

.terms-checkbox-container a:hover {
  color: var(--primary-hover);
}

@media (max-width: 768px) {
  .app-main {
    padding: 0;
    padding-bottom: 40px;
  }

  .section-title {
    font-size: 1.25rem;
    margin: 1rem auto 0.5rem auto;
  }
}

/* ====================================================
   Print Styles (印刷用設定)
   テーマ変数の印刷用上書きと html/body/#root のリセットは global.css 側
   ==================================================== */
@media print {
  /* Viewport and scroll reset to print the entire document */
  .app,
  .app-content-wrapper,
  .app-selector-wrapper {
    height: auto !important;
    min-height: auto !important;
    overflow: visible !important;
    overflow-y: visible !important;
    position: static !important;
  }

  /* Reset flex display to standard block flow to avoid page break issues */
  .app,
  .app-content-wrapper,
  .app-main {
    display: block !important;
    width: 100% !important;
    max-width: none !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  /* Header adjustments: print only the test title, hide interactive parts */
  .app-header {
    background: transparent !important;
    border-bottom: none !important;
    box-shadow: none !important;
    position: static !important;
    padding: 0 !important;
    margin-bottom: 24px !important;
  }

  .header-inner {
    padding: 0 !important;
  }

  .header-bottom {
    display: flex !important;
    justify-content: flex-start !important;
    align-items: center !important;
    min-height: auto !important;
  }

  .header-left {
    display: block !important;
  }

  .header-center,
  .header-right,
  .header-top,
  .header-expand-hint {
    display: none !important;
  }

  /* Hide interactive/extraneous elements */
  button,
  .btn,
  .add-section-btn,
  .timer-controls,
  .submit-btn,
  .home-btn,
  .theme-toggle-btn,
  .instruction-standalone-btn,
  .menu-container,
  .section-toolbar,
  .line-char-counter,
  .cursor-char-counter,
  .carry-over-indicator,
  .instruction-modal-overlay,
  .terms-modal-overlay,
  .scoring-overlay,
  .scoring-progress-overlay,
  canvas {
    display: none !important;
  }

  /* Clean up card style for paper printout */
  .card,
  .section-wrapper-card {
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 0 24px 0 !important;
    padding: 20px !important;
    box-shadow: none !important;
    border: 2px solid var(--border-color) !important;
    border-radius: 8px !important;
    background: #f9ffff !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }

  /* Collapsed sections must take no space and remain hidden */
  .section-collapsible-wrapper.collapsed {
    display: none !important;
    height: 0 !important;
    overflow: hidden !important;
  }

  .section-wrapper-card.collapsed {
    margin-bottom: 8px !important;
    padding: 12px 16px !important;
  }

  /* Ensure text editors/textareas display full contents */
  .section-editor,
  .editor-container {
    overflow: visible !important;
    width: 100% !important;
  }

  textarea.section-content,
  textarea.editor-content {
    overflow: visible !important;
    height: auto !important;
    resize: none !important;
    border: 2px solid var(--input-border) !important;
    background: #f9ffff !important;
  }

  /* Ensure grid-mode layout displays grid lines correctly in print */
  .section-content.grid-mode,
  .editor-content.grid-mode {
    overflow: hidden !important; /* Keep overflow hidden for background-grid sizing alignment */
    background-color: transparent !important;
    border: none !important;
  }
}

/* Guest Login / Trial Banner Styles */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--fg-muted);
  margin: 6px 0;
  width: 100%;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.auth-form .guest-login-btn {
  background: transparent;
  border: 2px dashed var(--secondary);
  color: var(--secondary);
  cursor: pointer;
  box-shadow: none;
  font-weight: 700;
  transition: all 0.2s ease;
}

.auth-form .guest-login-btn:hover:not(:disabled) {
  background: var(--eval-bg);
  border-style: solid;
}

.trial-banner {
  max-width: 1160px;
  width: calc(100% - 40px);
  margin: 16px auto 0 auto;
  padding: 12px 18px;
  background: rgba(245, 158, 11, 0.08);
  border: 2px solid rgba(245, 158, 11, 0.25);
  border-radius: 10px;
  display: flex;
  gap: 12px;
  align-items: center;
  color: var(--fg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .trial-banner {
    width: calc(100% - 32px);
  }
}

.trial-banner-icon {
  font-size: 1.35rem;
  flex-shrink: 0;
}

.trial-banner-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.trial-banner-title {
  font-weight: 700;
  font-size: 14px;
  color: #d97706; /* Amber-700 */
}

.dark-mode .trial-banner-title {
  color: #fbbf24; /* Amber-400 */
}

.trial-banner-desc {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.4;
}

.trial-banner-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--primary);
  text-decoration: underline;
  font-weight: 600;
  cursor: pointer;
  font-size: inherit;
  margin: 0 4px;
  display: inline;
}

.trial-banner-link:hover {
  color: var(--primary-hover);
}

.trial-banner-link:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* メール確認バナー（spine-web#202）。ゲストバナーの警告色に対し情報系の青 */
.verify-banner {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.25);
}

.verify-banner .trial-banner-title {
  color: #2563eb; /* Blue-600 */
}

.dark-mode .verify-banner .trial-banner-title {
  color: #60a5fa; /* Blue-400 */
}

/* ---- 大問タグ（spine-docs/schema/tags.md） ---- */

/* 大問タイトル直下のタグチップ行（採点後は常時、採点前はトグルで表示） */
.section-tag-row {
  margin: -0.5rem 0 1rem;
}

/* 採点前のタグ表示トグル（ページャ上部の小さな控えめな操作） */
.tag-visibility-bar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 4px;
}

.tag-visibility-toggle {
  font-size: 0.75rem;
  font-family: inherit;
  color: var(--fg-muted);
  background: none;
  border: 1.5px solid var(--input-border);
  border-radius: 999px;
  padding: 2px 12px;
  cursor: pointer;
}

.tag-visibility-toggle:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.tag-visibility-toggle.active {
  color: var(--bg);
  background: var(--primary);
  border-color: var(--primary);
}