/* ========== カラーコンセプト（南の島のおじぃ） ========== */
.wwcqr-root{
  --base: #FFFFFF;
  --base-light: #FAFAFA;
  --base-dark: #F5F5F5;

  --main: #1e3a5f;
  --main-light: #2d5a8f;
  --main-dark: #0f1e3a;

  --accent: #d4af37;
  --accent-light: #f4cf5f;
  --accent-dark: #b8941f;

  --text: #2C3E50;
  --text-light: #7F8C8D;
  --border: #E8E8E8;

  --shadow: 0 4px 20px rgba(30, 58, 95, 0.10);
  --shadow-hover: 0 8px 30px rgba(30, 58, 95, 0.15);
}

/* ========== リセット・基本スタイル ========== */
.wwcqr-root * {
  box-sizing: border-box;
}

body {
  background-image: url('https://ict-primaryschool-juniorhighschool.com/wp-content/uploads/2026/05/ChatGPT-Image-2026%E5%B9%B45%E6%9C%886%E6%97%A5-17_11_47.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0;
}

.wwcqr-root {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 20px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(30, 58, 95, 0.2);
}

/* ========== レイアウト（先生用） ========== */

/* 画面切り替え：.hidden クラスのみで制御 */
.wwcqr-screen {
  display: block;
}

.wwcqr-screen.hidden,
.wwcqr-step.hidden,
.hidden {
  display: none !important;
}

/* 画面1: ゲーム設定（中央のみ） */
.wwcqr-host-layout-setup {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 12px 16px;
  min-height: 400px;
}

.wwcqr-setup-center {
  max-width: 800px;
  width: 100%;
  display: block;
}

/* 画面2: ゲーム進行（3カラム） */
.wwcqr-host-layout-game {
  display: grid;
  grid-template-columns: 360px 1fr 400px;
  gap: 20px;
  align-items: start;
}

.wwcqr-host-aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 画面2の各カラム */
.wwcqr-game-left,
.wwcqr-game-center,
.wwcqr-game-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* QRコード大きく表示 */
.wwcqr-qr-large {
  text-align: center;
  padding: 12px;
  background: #f8f9fa;
  border-radius: 12px;
  margin: 0 auto 20px auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.wwcqr-qr-large img {
  max-width: 300px;
  width: 100%;
  height: auto;
  border: 4px solid var(--accent);
  border-radius: 12px;
  padding: 20px;
  background: white;
  display: block;
  margin: 0 auto;
}

/* URL表示 */
.wwcqr-url-display {
  text-align: center;
  padding: 16px;
  background: #f8f9fa;
  border-radius: 8px;
  margin-bottom: 20px;
}

.wwcqr-url-display .wwcqr-url {
  font-size: 14px;
  color: var(--main);
  font-weight: 600;
  word-break: break-all;
  margin-top: 8px;
  margin-bottom: 12px;
}

/* タイマーコントロール */
.wwcqr-timer-controls {
  display: flex;
  gap: 8px;
  margin: 16px 0;
  flex-wrap: wrap;
}

.wwcqr-timer-btn {
  flex: 1;
  min-width: 0;
  padding: 10px 8px;
  font-size: 13px;
}

.wwcqr-timer-presets {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.wwcqr-timer-preset {
  padding: 10px;
  font-size: 14px;
}

/* お題表示（モザイク機能） */
.wwcqr-topic-display {
  background: var(--base-light);
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 20px;
}

.wwcqr-topic-display h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--main);
  margin-bottom: 16px;
  text-align: center;
}

.wwcqr-topic-item {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  padding: 12px;
  background: white;
  border-radius: 8px;
}

.wwcqr-topic-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  min-width: 80px;
}

.wwcqr-topic-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--main);
  flex: 1;
  cursor: pointer;
  user-select: none;
  transition: all 0.3s;
}

.wwcqr-topic-value.wwcqr-mosaic {
  color: #999;
  letter-spacing: 2px;
  font-family: monospace;
}

.wwcqr-topic-value.wwcqr-mosaic:hover {
  opacity: 0.7;
}

.wwcqr-topic-value.revealed {
  color: var(--accent);
  letter-spacing: normal;
  font-family: inherit;
}

/* ゲーム制御ボタン */
.wwcqr-game-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.wwcqr-btn.wwcqr-danger {
  background: #ef4444;
  color: white;
}

.wwcqr-btn.wwcqr-danger:hover {
  background: #dc2626;
}

/* 区切り線 */
.wwcqr-divider {
  border: none;
  height: 2px;
  background: var(--border);
  margin: 24px 0;
}

/* お題変更セクション */
#wwcqr-topic-change {
  background: #fffbeb;
  padding: 20px;
  border-radius: 12px;
  border: 2px solid var(--accent);
}

#wwcqr-topic-change h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--main);
  margin-bottom: 16px;
}

/* グループPIN一覧 */
.wwcqr-group-pins {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 600px;
  overflow-y: auto;
}

.wwcqr-group-pin-item {
  background: var(--base-light);
  padding: 16px;
  border-radius: 8px;
  border: 2px solid var(--border);
}

.wwcqr-group-pin-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--main);
  margin-bottom: 8px;
}

.wwcqr-group-pin-code {
  font-size: 24px;
  font-weight: 900;
  color: var(--accent);
  text-align: center;
  padding: 12px;
  background: white;
  border-radius: 6px;
  letter-spacing: 4px;
  margin-bottom: 8px;
}

.wwcqr-group-pin-url {
  font-size: 11px;
  color: var(--text-light);
  word-break: break-all;
  text-align: center;
}


.wwcqr-host-guide .wwcqr-note-inline {
  margin-top: 0;
}

.wwcqr-host-main {
  min-width: 0;
}

/* ========== カード ========== */
.wwcqr-card {
  background: var(--color-background-primary, #fff);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 12px;
  border: 0.5px solid #e5e5e5;
}

.wwcqr-card h2 {
  color: var(--main);
  font-size: 24px;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 800;
}

.wwcqr-card h3 {
  color: var(--main);
  font-size: 20px;
  margin: 20px 0 12px;
  font-weight: 700;
}

/* ========== グリッド ========== */
.wwcqr-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.wwcqr-root .wwcqr-grid3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

/* ========== フォーム要素 ========== */
.wwcqr-root label {
  display: block;
  font-size: 14px;
  color: #334155;
  margin-bottom: 6px;
  font-weight: 600;
}

.wwcqr-root input[type="text"],
.wwcqr-root input[type="number"] {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  font-size: 16px;
  transition: all 0.2s;
}

.wwcqr-root input[type="text"]:focus,
.wwcqr-root input[type="number"]:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* ========== ボタン ========== */
.wwcqr-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.wwcqr-btn {
  flex: 1;
  min-width: 160px;
  padding: 14px 20px;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  background: #e2e8f0;
  color: var(--main);
}

.wwcqr-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.wwcqr-btn.wwcqr-primary {
  background: linear-gradient(135deg, var(--main-light) 0%, var(--main) 100%);
  color: #fff;
}

.wwcqr-btn.wwcqr-success {
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  color: var(--main-dark);
  color: #fff;
}

/* ========== ノート・サブテキスト ========== */
.wwcqr-note {
  background: #f1f5f9;
  border-left: 4px solid #667eea;
  padding: 12px 16px;
  border-radius: 8px;
  margin-top: 16px;
  font-size: 14px;
  color: #475569;
  line-height: 1.6;
}

.wwcqr-note strong {
  display: block;
  margin-bottom: 8px;
  color: var(--main);
}

.wwcqr-note ul {
  margin-left: 20px;
  margin-top: 8px;
}

.wwcqr-note li {
  margin-bottom: 4px;
}

.wwcqr-sub {
  font-size: 13px;
  color: #64748b;
  margin-top: 6px;
  line-height: 1.5;
}

.wwcqr-center {
  text-align: center;
  margin-bottom: 16px;
}

.wwcqr-label {
  font-size: 12px;
  color: #64748b;
  margin-bottom: 4px;
  font-weight: 600;
}

/* ========== 情報表示 ========== */
.wwcqr-mono {
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  background: #f8fafc;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--main);
  display: inline-block;
  letter-spacing: 1px;
}

.wwcqr-url {
  font-size: 14px;
  word-break: break-all;
  display: block;
}

.wwcqr-info-row {
  margin: 16px 0;
  padding: 12px;
  background: #f8fafc;
  border-radius: 12px;
}

/* ========== グループリスト ========== */
.wwcqr-root .wwcqr-group-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.wwcqr-group-item {
  background: var(--base-light);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wwcqr-group-title {
  font-size: 18px;
  font-weight: 900;
  color: var(--main);
  text-align: center;
  margin-bottom: 8px;
}

.wwcqr-group-code {
  font-size: 24px;
  font-weight: 900;
  color: #667eea;
  letter-spacing: 2px;
  font-family: ui-monospace, monospace;
  text-align: center;
  padding: 8px;
  background: #fff;
  border-radius: 8px;
}

.wwcqr-group-count {
  font-size: 14px;
  color: var(--text);
  text-align: center;
  font-weight: 700;
  padding: 4px;
}

.wwcqr-qr-box {
  margin: 12px auto;
  padding: 8px;
  background: #fff;
  border-radius: 12px;
  display: inline-block;
}

/* ========== 参加者画面 ========== */
.wwcqr-code-input {
  width: 100%;
  text-align: center;
  font-size: 32px;
  font-weight: 900;
  letter-spacing: 4px;
  padding: 16px;
  border: 3px solid #667eea;
  border-radius: 16px;
  text-transform: uppercase;
  margin: 20px 0;
}

.wwcqr-msg {
  text-align: center;
  padding: 12px;
  border-radius: 12px;
  margin: 12px 0;
  font-weight: 600;
  min-height: 20px;
}

.wwcqr-msg-error {
  background: #fee;
  color: #c00;
}

.wwcqr-msg-success {
  background: #efe;
  color: #060;
}

.wwcqr-big {
  font-size: 28px;
  font-weight: 900;
  text-align: center;
  color: var(--main);
  margin: 20px 0;
}

.wwcqr-joined-info {
  font-size: 16px;
  margin: 16px 0;
}

/* ========== 終了画面 ========== */
.wwcqr-end-message {
  text-align: center;
  padding: 12px 16px;
  margin: 20px 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 16px;
  color: white;
}

.wwcqr-end-message p {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

/* ========== 単語カード ========== */
.wwcqr-word-card {
  margin: 24px 0;
  padding: 32px 24px;
  border: 4px solid #667eea;
  border-radius: 20px;
  text-align: center;
  cursor: pointer;
  user-select: none;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
  transition: all 0.3s;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.wwcqr-word-card:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
}

.wwcqr-word-hidden {
  font-size: 24px;
  font-weight: 700;
  color: var(--main);
  line-height: 1.6;
}

.wwcqr-word-visible {
  display: none;
}

.wwcqr-word-card[data-visible="1"] .wwcqr-word-hidden {
  display: none;
}

.wwcqr-word-card[data-visible="1"] .wwcqr-word-visible {
  display: block;
}

.wwcqr-shh {
  font-size: 16px;
  color: #64748b;
  margin-bottom: 16px;
  font-weight: 700;
}

.wwcqr-word {
  font-size: 48px;
  font-weight: 900;
  color: var(--main);
  margin: 16px 0;
  letter-spacing: 2px;
  text-shadow: 2px 2px 0 rgba(102, 126, 234, 0.2);
}

.wwcqr-topic-view {
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--main);
  margin-bottom: 16px;
  padding: 12px;
  background: #f8fafc;
  border-radius: 12px;
}

/* ========== ローディング ========== */
.wwcqr-loading {
  text-align: center;
  padding: 20px;
  color: #64748b;
}

.wwcqr-loading p {
  margin-top: 12px;
}

.wwcqr-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid #e2e8f0;
  border-top-color: #667eea;
  border-radius: 50%;
  animation: wwcqr-spin 1s linear infinite;
}

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

/* ========== QRコード ========== */
.wwcqr-qr-canvas {
  display: block;
  margin: 0 auto;
}

/* ========== タイマー（先生用） ========== */
.wwcqr-timer-display{
  text-align: center;
  padding: 24px;
  background: linear-gradient(135deg, rgba(102,126,234,0.1) 0%, rgba(118,75,162,0.1) 100%);
  border-radius: 16px;
  margin: 16px 0;
}

.wwcqr-timer-time{
  font-size: 52px;
  font-weight: 900;
  color: #1e3a5f;
  font-family: 'Courier New', ui-monospace, monospace;
  letter-spacing: 2px;
  line-height: 1;
  white-space: nowrap;
  text-align: center;
  margin-bottom: 8px;
}

.wwcqr-timer-status{
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light);
  margin-top: 12px;
}

.wwcqr-timer-controls{
  display: flex;
  gap: 12px;
  justify-content: center;
  margin: 16px 0;
}

.wwcqr-timer-btn{
  flex: 1;
  max-width: 180px;
  min-width: 120px;
}

.wwcqr-timer-presets{
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.wwcqr-timer-preset{
  padding: 8px 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--base);
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.wwcqr-timer-preset:hover{
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--main-dark);
}

/* ========== タイマー（参加者用） ========== */
.wwcqr-player-timer{
  text-align: center;
  padding: 16px;
  background: linear-gradient(135deg, rgba(212,175,55,0.15) 0%, rgba(212,175,55,0.05) 100%);
  border-radius: 12px;
  margin-bottom: 16px;
  border: 2px solid var(--accent);
}

.wwcqr-player-timer-label{
  font-size: 14px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 4px;
}

.wwcqr-player-timer-time{
  font-size: 48px;
  font-weight: 900;
  color: var(--main);
  font-family: ui-monospace, monospace;
  letter-spacing: 3px;
  line-height: 1;
}

/* ========== レスポンシブ ========== */
@media (max-width: 640px) {
  .wwcqr-host-layout {
    grid-template-columns: 1fr;
  }

  .wwcqr-grid,
  .wwcqr-grid3 {
    grid-template-columns: 1fr;
  }

  .wwcqr-word {
    font-size: 36px;
  }

  .wwcqr-code-input {
    font-size: 24px;
  }

  .wwcqr-group-list {
    grid-template-columns: 1fr;
  }

  .wwcqr-session-grid{
    grid-template-columns: 1fr;
  }
}

.wwcqr-btn.wwcqr-secondary{
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  color: var(--main-dark);
}

.wwcqr-select{
  width: 100%;
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 16px;
  font-weight: 700;
  background: var(--base);
  color: var(--text);
  outline: none;
}

.wwcqr-select:focus{
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(212,175,55,0.15);
}

.wwcqr-preset-row{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
  margin: 12px 0 10px;
}

.wwcqr-preset-label{
  font-weight: 900;
  color: var(--main);
}

.wwcqr-theme-toggle-wrap{
  margin: 16px 0;
}

/* カテゴリ表示設定 */
.wwcqr-category-setting {
  margin: 16px 0;
  padding: 12px;
  background: #f8f9fa;
  border-radius: 8px;
}

.wwcqr-category-setting label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  margin: 0;
}

.wwcqr-category-setting input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.wwcqr-theme-toggle{
  display: flex;
  gap: 0;
  margin-top: 8px;
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid var(--border);
}

.wwcqr-toggle-btn{
  flex: 1;
  padding: 12px 20px;
  border: none;
  background: var(--base);
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.wwcqr-toggle-btn:hover{
  background: var(--base-dark);
}

.wwcqr-toggle-btn.wwcqr-active{
  background: linear-gradient(135deg, var(--main-light) 0%, var(--main) 100%);
  color: #fff;
}

.wwcqr-random-list{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.wwcqr-random-item{
  background: var(--base-light);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.wwcqr-random-group-title{
  font-size: 14px;
  font-weight: 900;
  color: var(--main);
  margin-bottom: 8px;
}

.wwcqr-random-theme{
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.wwcqr-random-words{
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}


.wwcqr-joinqr-wrap{
  margin: 12px 0 16px;
  padding: 12px;
  border: 2px solid var(--border);
  border-radius: 16px;
  background: var(--base);
  box-shadow: var(--shadow);
}
.wwcqr-joinqr-title{
  font-weight: 900;
  color: var(--main);
  text-align: center;
  margin-bottom: 10px;
}
.wwcqr-joinqr{
  display:flex;
  justify-content:center;
  align-items:center;
}

.wwcqr-session-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

/* 📱 参加案内: 横3カラムレイアウト */
#wwcqr-session-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#wwcqr-session-box > h3 {
  margin-bottom: 0;
}

/* sectionを縦に積み重ねる */
.wwcqr-session-panels-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

#wwcqr-session-box .wwcqr-session-panels-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.wwcqr-session-panel{
  background: var(--base);
  border: 2px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.wwcqr-session-title{
  font-size: 16px;
  font-weight: 900;
  color: var(--main);
  text-align: center;
}

.wwcqr-settings-list{
  display: grid;
  gap: 10px;
}

.wwcqr-settings-item{
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--base-light);
  border-radius: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
}

.wwcqr-settings-label{
  font-size: 13px;
  font-weight: 700;
  color: var(--text-light);
}

.wwcqr-settings-value{
  font-size: 14px;
  font-weight: 800;
  color: var(--main);
  text-align: right;
}

.wwcqr-group-list.wwcqr-group-list-compact{
  grid-template-columns: 1fr;
}


.wwcqr-group-actions-all{
  margin-top: 12px;
  display:flex;
  justify-content: flex-end;
}


/* ===== Stepper (±) ===== */
.wwcqr-field{ display:flex; flex-direction:column; gap:8px; }
.wwcqr-field-label{
  font-weight:700;
  color: var(--text);
  font-size: 14px;
}
.wwcqr-stepper{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px;
  border:1px solid var(--border);
  background: var(--base-light);
  border-radius:14px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
}
.wwcqr-stepper input[type="number"]{
  flex:1;
  text-align:center;
  font-size:28px;
  font-weight:800;
  border:none;
  background:transparent;
  color: var(--main);
  padding:0;
  min-width: 80px;
}
.wwcqr-step-btn{
  width:52px;
  height:52px;
  border-radius:14px;
  border:1px solid var(--border);
  background: var(--base);
  color: var(--main);
  font-size:28px;
  font-weight:800;
  line-height:1;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow: 0 6px 14px rgba(30,58,95,0.10);
  cursor:pointer;
  user-select:none;
  transition: transform .08s ease, box-shadow .2s ease, background .2s ease;
}
.wwcqr-step-btn:hover{ box-shadow: 0 10px 20px rgba(30,58,95,0.14); }
.wwcqr-step-btn:active{ transform: scale(0.98); }

/* ===== Actions row (modern) ===== */
.wwcqr-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:stretch;
}
.wwcqr-actions .wwcqr-btn{
  min-height:54px;
  border-radius:16px;
  font-weight:800;
}
.wwcqr-actions .wwcqr-btn.wwcqr-primary{
  box-shadow: 0 14px 28px rgba(30,58,95,0.18);
}
.wwcqr-actions .wwcqr-btn.wwcqr-primary:hover{
  transform: translateY(-1px);
}
@media (min-width: 900px){
  .wwcqr-actions{
    flex-wrap:nowrap;
  }
  #wwcqr-preset-random{ flex: 0 0 220px; }
  #wwcqr-create{ flex: 1 1 auto; }
  #wwcqr-distribute{ flex: 0 0 220px; }
}

/* ==================== v2 ロビー画面 ==================== */

.wwcqr-lobby-grid {
  display: grid;
  grid-template-columns: 200px 1fr 200px;
  gap: 16px;
  align-items: start;
}

@media (max-width: 800px) {
  .wwcqr-lobby-grid { grid-template-columns: 1fr; }
}

.wwcqr-lobby-left,
.wwcqr-lobby-right {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.wwcqr-lobby-qr-box {
  background: var(--white, #fff);
  border: 2px solid #d4af37;
  border-radius: 12px;
  padding: 10px;
  text-align: center;
}

.wwcqr-lobby-code-box {
  background: #f8f5e8;
  border: 2px solid #d4af37;
  border-radius: 12px;
  padding: 8px 4px;
  text-align: center;
  overflow: visible;
}

.wwcqr-lobby-code-label {
  font-size: 0.78em;
  color: #7F8C8D;
  margin-bottom: 6px;
  font-weight: 700;
}

.wwcqr-lobby-code-num {
  font-family: 'Courier New', monospace;
  font-size: 1.5em;
  font-weight: 900;
  color: #1e3a5f;
  letter-spacing: 2px;
  white-space: nowrap;
  line-height: 1.3;
  padding: 0 2px;
  display: block;
}

.wwcqr-lobby-pattern-box {
  background: #FAFAFA;
  border: 2px solid #1e3a5f;
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}

.wwcqr-lobby-pattern-box.hidden { display: none; }

.wwcqr-lobby-pattern-box canvas {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  cursor: default;
  touch-action: none;
}

.wwcqr-lobby-main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.wwcqr-poll-note {
  font-size: 11px;
  color: #999;
}

.wwcqr-lobby-groups-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}

.wwcqr-lobby-group-card {
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 10px;
  background: #fff;
}

.wwcqr-lobby-group-card.entered {
  border-color: #28a745;
  background: #d4edda;
}

.wwcqr-lobby-group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.wwcqr-lobby-group-name {
  font-size: 12px;
  font-weight: 700;
  color: #1e3a5f;
}

.wwcqr-lobby-group-badge {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 99px;
  background: #f0f0f0;
  color: #888;
}

.wwcqr-lobby-group-badge.ok {
  background: #d4edda;
  color: #155724;
}

.wwcqr-lobby-group-icon {
  font-size: 18px;
  text-align: center;
  padding: 4px 0;
  color: #ccc;
}

.wwcqr-lobby-group-card.entered .wwcqr-lobby-group-icon {
  color: #28a745;
  font-weight: 700;
}

.wwcqr-kick-btn {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 3px 0;
  font-size: 10px;
  border: 1px solid #dc3545;
  border-radius: 6px;
  background: #fff;
  color: #dc3545;
  cursor: pointer;
  text-align: center;
}

.wwcqr-kick-btn:hover { background: #dc3545; color: #fff; }

.wwcqr-lobby-total-bar {
  padding: 8px 12px;
  background: #f8f8f8;
  border-radius: 8px;
  font-size: 12px;
  color: #666;
  text-align: center;
  margin-bottom: 12px;
  border: 1px solid #ddd;
}

.wwcqr-lobby-total-bar.ready {
  background: #d4edda;
  border-color: #28a745;
  color: #155724;
  font-weight: 700;
}

.wwcqr-lobby-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.wwcqr-lobby-actions button { flex: 1; }

.wwcqr-info-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding: 5px 0;
  border-bottom: 1px solid #eee;
}

.wwcqr-info-row:last-child { border-bottom: none; }
.wwcqr-info-row span:first-child { color: #888; }
.wwcqr-info-row span:last-child { font-weight: 700; color: #1e3a5f; }

.wwcqr-url-area {
  background: #f8f8f8;
  border-radius: 10px;
  padding: 10px;
}

/* 左サイドバーのURLエリア */
.wwcqr-lobby-url-area {
  margin-top: 4px;
}

.wwcqr-url-input {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 0.75em;
  font-family: 'Courier New', monospace;
  color: #888;
  background: #FAFAFA;
  box-sizing: border-box;
}

/* お題変更ボタン小サイズ */
.wwcqr-btn.wwcqr-btn-sm {
  font-size: 0.85em !important;
  padding: 8px 10px !important;
  line-height: 1.2;
  white-space: nowrap;
}

/* グループ選択ボタン（児童） */
.wwcqr-group-select-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border: 1px solid #ddd;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  margin-bottom: 8px;
  transition: all 0.2s;
}

.wwcqr-group-select-btn:hover:not(:disabled) {
  border-color: #1e3a5f;
  background: #f0f4f8;
}

.wwcqr-group-select-btn.full,
.wwcqr-group-select-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.wwcqr-group-select-name {
  font-size: 14px;
  font-weight: 700;
  color: #1e3a5f;
}

.wwcqr-group-select-status {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 99px;
  background: #f0f0f0;
  color: #888;
}

.wwcqr-group-select-btn.full .wwcqr-group-select-status {
  background: #d4edda;
  color: #155724;
}

/* パターン設定エリア */
.wwcqr-pattern-setup {
  margin-top: 20px;
  padding: 16px;
  background: #f8f8f8;
  border-radius: 12px;
}

.wwcqr-pattern-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin: 10px 0;
}

#wwcqr-pattern-canvas,
#wwcqr-student-pattern-canvas,
#wwcqr-lobby-pattern-canvas {
  border: 1px solid #ddd;
  border-radius: 10px;
  cursor: crosshair;
  touch-action: none;
  background: #fff;
  max-width: 100%;
}

#wwcqr-pattern-result {
  font-size: 13px;
  font-weight: 700;
  min-height: 1.4em;
}

/* ==================== ロビー画面 v2 修正 ==================== */

/* ゴールドボタン */
.wwcqr-btn.wwcqr-gold {
  background: #d4af37;
  color: #2a1f00;
  border: none;
  font-weight: 700;
  font-size: 1.1em;
  padding: 12px 20px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.wwcqr-btn.wwcqr-gold:hover {
  background: #c9a227;
  transform: translateY(-1px);
}

/* アウトラインボタン */
.wwcqr-btn.wwcqr-outline {
  background: #fff;
  color: #888;
  border: 1px solid #ccc;
  font-size: 0.95em;
  padding: 9px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
}
.wwcqr-btn.wwcqr-outline:hover {
  background: #f5f5f5;
  border-color: #999;
}

/* 幅100%ボタン */
.wwcqr-btn.wwcqr-btn-full {
  display: block;
  width: 100%;
  text-align: center;
  margin-bottom: 8px;
  box-sizing: border-box;
}

/* ロビーアクション縦並び */
.wwcqr-lobby-actions {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 12px;
}

/* お題変更ボックス（ゴールド背景） */
.wwcqr-theme-change-box {
  background: #fff3cd;
  border-radius: 10px;
  padding: 12px;
  margin-top: 10px;
}

.wwcqr-theme-change-label {
  font-size: 12px;
  font-weight: 700;
  color: #856404;
  text-align: center;
  margin-bottom: 8px;
}

.wwcqr-theme-change-box input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 12px;
  box-sizing: border-box;
}

/* お題マスク（設定内容のお題をぼかす） */
.wwcqr-topic-mask {
  cursor: pointer;
  filter: blur(5px);
  transition: filter 0.2s;
  user-select: none;
}
.wwcqr-topic-mask.revealed {
  filter: none;
}

/* ==================== ゲーム画面 C案レイアウト ==================== */

/* トップバー：2段構成 */
.wwcqr-game-topbar {
  background: var(--color-background-secondary, #f8f8f8);
  border-radius: 12px;
  padding: 10px 14px;
  margin-bottom: 12px;
}

/* 1段目：お題3項目を横1列 */
.wwcqr-game-topic-area {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: nowrap;
  overflow: hidden;
  padding-bottom: 8px;
  border-bottom: 0.5px solid #ddd;
  margin-bottom: 8px;
}

/* 2段目：PIN・ボタンを中央揃え */
.wwcqr-game-topbar-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* メイングリッド：タイマー260px固定 */
.wwcqr-game-main-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 14px;
  align-items: start;
}

@media (max-width: 700px) {
  .wwcqr-game-main-grid { grid-template-columns: 1fr; }
  .wwcqr-game-topic-area { flex-wrap: wrap; }
}

/* グループ3列グリッド */
.wwcqr-group-grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

/* グループカード */
.wwcqr-game-group-card {
  border: 0.5px solid var(--color-border-tertiary, #ddd);
  border-radius: 10px;
  padding: 10px 8px;
  text-align: center;
  background: var(--color-background-primary, #fff);
  transition: all 0.15s;
  min-height: 70px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
}

.wwcqr-game-group-card.has-members {
  border-color: #28a745;
  background: #d4edda;
}

.wwcqr-game-group-card.has-members:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(40, 167, 69, 0.2);
}

.wwcqr-game-group-name {
  font-size: 12px;
  font-weight: 700;
  color: #1e3a5f;
}

.wwcqr-game-group-count {
  font-size: 13px;
  font-weight: 500;
  color: #155724;
}

.wwcqr-game-group-card:not(.has-members) .wwcqr-game-group-count {
  color: #888;
}

.wwcqr-game-group-tap {
  font-size: 10px;
  color: #888;
  margin-top: 2px;
}

/* 個別操作パネル */
.wwcqr-single-panel {
  background: var(--color-background-primary, #fff);
  border: 1.5px solid #1e3a5f;
  border-radius: 12px;
  padding: 14px;
  margin-top: 10px;
  grid-column: 1 / -1;
}

.wwcqr-single-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.wwcqr-single-panel-header span {
  font-size: 13px;
  font-weight: 700;
  color: #1e3a5f;
}

.wwcqr-single-panel-close {
  background: none;
  border: none;
  font-size: 14px;
  color: #888;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
}

.wwcqr-single-panel-close:hover {
  background: #f0f0f0;
}

.wwcqr-single-panel-body input {
  width: 100%;
  padding: 7px 10px;
  border: 0.5px solid #ddd;
  border-radius: 8px;
  font-size: 12px;
  box-sizing: border-box;
}