/* ========== 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 !important;
  margin: 0 !important;
  padding: 0 !important;
}

.wwcqr-root {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif !important;
  max-width: 900px !important;
  margin: 0 auto !important;
  padding: 20px !important;
}

/* ========== カード ========== */
.wwcqr-card {
  background: linear-gradient(135deg, #FFFFFF 0%, #F8F9FA 50%, #F0F2F5 100%);
  border-radius: 20px !important;
  padding: 24px !important;
  margin-bottom: 20px !important;
  box-shadow: var(--shadow) !important;
}

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

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

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

.wwcqr-grid3 {
  display: grid !important;
  grid-template-columns: 1fr 1fr 1fr !important;
  gap: 12px !important;
  margin-bottom: 16px !important;
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

.wwcqr-timer-time{
  font-size: 72px !important;
  font-weight: 900 !important;
  color: var(--main) !important;
  font-family: ui-monospace, monospace !important;
  letter-spacing: 4px !important;
  line-height: 1 !important;
}

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

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

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

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

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

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

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

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

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

/* ========== レスポンシブ ========== */
@media (max-width: 768px) {
  .wwcqr-grid,
  .wwcqr-grid3 {
    grid-template-columns: 1fr !important;
  }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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


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


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