/* 公平性驗證頁面樣式 */

/* 通用樣式 */
:root {
  --primary-color: #9b59b6; /* 紫色 */
  --secondary-color: #3498db; /* 藍色 */
  --accent-color: #f1c40f; /* 黃色 */
  --dark-bg: #1e1e1e;
  --card-bg: rgba(30, 30, 30, 0.7);
  --light-text: #ffffff;
  --muted-text: #aaaaaa;
  --success-color: #2ecc71;
  --error-color: #e74c3c;
  --border-radius: 10px;
  --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* 主要佈局 */
.main-container {
  padding-bottom: 50px;
}

.fairness-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* 頂部橫幅 */
.fairness-banner {
  background: linear-gradient(to right, #6a11cb, #2575fc);
  padding: 50px 20px;
  color: white;
  text-align: center;
  margin-bottom: 40px;
}

.banner-title {
  font-size: 2.5rem;
  margin-bottom: 10px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-description {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 25px;
}

.fairness-actions {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.fairness-btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  border: none;
  background-color: rgba(255, 255, 255, 0.15);
  color: white;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  gap: 8px;
}

.fairness-btn:hover {
  background-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.fairness-btn.primary {
  background-color: var(--accent-color);
  color: #222;
}

.fairness-btn.primary:hover {
  background-color: #f39c12;
}

/* 通用區段樣式 */
.fairness-section {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 30px;
  margin-bottom: 40px;
  box-shadow: var(--box-shadow);
}

.section-header {
  text-align: center;
  margin-bottom: 30px;
}

.section-header h2 {
  color: var(--accent-color);
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.section-header p {
  color: var(--muted-text);
  font-size: 1.1rem;
}

/* 原理卡片 */
.principle-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 40px;
}

.principle-col {
  flex: 1;
  min-width: 250px;
}

.principle-card {
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  padding: 20px;
  height: 100%;
  text-align: center;
}

.card-icon {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 15px;
}

.principle-card h3 {
  color: var(--light-text);
  margin-bottom: 10px;
}

.principle-card p {
  color: var(--muted-text);
  line-height: 1.6;
}

/* 流程圖 */
.process-diagram {
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  padding: 25px;
}

.process-diagram h3 {
  color: var(--light-text);
  text-align: center;
  margin-bottom: 25px;
}

.process-steps {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.process-steps li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  border-radius: 50%;
  color: white;
  font-weight: bold;
  font-size: 1.2rem;
}

.step-content h4 {
  color: var(--accent-color);
  margin-bottom: 5px;
}

.step-content p {
  color: var(--muted-text);
  margin: 0;
}

/* 客戶端種子區域 */
.client-seed-container {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}

.current-seed-card {
  flex: 1;
  min-width: 300px;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  padding: 20px;
}

.seed-info h3 {
  color: var(--light-text);
  margin-bottom: 15px;
}

.seed-input-group {
  display: flex;
  margin-bottom: 10px;
}

.seed-input {
  flex: 1;
  padding: 10px;
  border-radius: 5px 0 0 5px;
  border: 1px solid #444;
  background: #222;
  color: white;
}

.action-btn {
  padding: 10px 15px;
  border: none;
  background-color: #444;
  color: white;
  border-radius: 0 5px 5px 0;
  cursor: pointer;
}

.seed-hint {
  color: var(--muted-text);
  font-size: 0.85em;
  margin: 5px 0 15px;
}

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

.primary-btn,
.secondary-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s ease;
}

.primary-btn {
  background-color: var(--primary-color);
  color: white;
}

.secondary-btn {
  background-color: #444;
  color: white;
}

.primary-btn:hover {
  background-color: #8e44ad;
}

.secondary-btn:hover {
  background-color: #555;
}

.seed-history-container {
  flex: 1;
  min-width: 300px;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  padding: 20px;
}

.seed-history-container h3 {
  color: var(--light-text);
  margin-bottom: 15px;
}

.seed-history-list {
  max-height: 200px;
  overflow-y: auto;
}

.empty-history-message {
  color: var(--muted-text);
  text-align: center;
  padding: 20px;
}

.empty-history-message i {
  font-size: 2rem;
  margin-bottom: 10px;
  opacity: 0.5;
}

/* 驗證工具區域 */
.verify-tool-container {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}

.verify-form {
  flex: 1;
  min-width: 300px;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  padding: 20px;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  color: var(--light-text);
  margin-bottom: 5px;
}

.form-group input {
  width: 100%;
  padding: 10px;
  border-radius: 5px;
  border: 1px solid #444;
  background: #222;
  color: white;
}

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

.verify-result {
  flex: 1;
  min-width: 300px;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  padding: 20px;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.result-header h3 {
  color: var(--light-text);
  margin: 0;
}

.result-status-badge {
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: bold;
}

.result-details {
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 5px;
  padding: 15px;
}

.result-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.result-row:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.result-label {
  color: var(--muted-text);
}

.result-value {
  color: var(--light-text);
  font-weight: bold;
}

/* 開發者工具 */
.developer-tools-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.dev-tool-card {
  flex: 1;
  min-width: 300px;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  padding: 20px;
}

.dev-tool-card h3 {
  color: var(--light-text);
  margin-bottom: 15px;
}

.result-display {
  margin-top: 15px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.result-display label {
  display: block;
  color: var(--light-text);
  width: 100%;
  margin-bottom: 5px;
}

.result-display input {
  flex: 1;
  padding: 10px;
  border-radius: 5px;
  border: 1px solid #444;
  background: #222;
  color: white;
}

.small-btn {
  padding: 10px;
  border: none;
  background-color: #444;
  color: white;
  border-radius: 5px;
  cursor: pointer;
}

.distribution-display {
  margin-top: 15px;
  min-height: 100px;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 5px;
  padding: 15px;
  color: var(--muted-text);
}

/* FAQ區域 */
.faq-container {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.faq-item {
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.faq-question {
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question h3 {
  color: var(--light-text);
  margin: 0;
  font-size: 1.1rem;
}

.toggle-icon {
  color: var(--accent-color);
  transition: transform 0.3s;
}

.faq-item.active .toggle-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 20px 15px;
  color: var(--muted-text);
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* 響應式調整 */
@media (max-width: 768px) {
  .fairness-banner {
    padding: 30px 15px;
  }

  .banner-title {
    font-size: 2rem;
  }

  .fairness-section {
    padding: 20px;
  }

  .principle-col,
  .current-seed-card,
  .seed-history-container,
  .verify-form,
  .verify-result,
  .dev-tool-card {
    min-width: 100%;
  }

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

  .seed-input-group {
    flex-direction: column;
  }

  .seed-input,
  .action-btn {
    border-radius: 5px;
  }

  .action-btn {
    margin-top: 5px;
  }
}

/* 區塊鏈抽獎驗證樣式 */

/* 標籤頁樣式 */
.verify-tabs {
  display: flex;
  margin-bottom: 20px;
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: var(--border-radius);
  padding: 5px;
}

.tab-btn {
  flex: 1;
  padding: 12px 20px;
  border: none;
  background: transparent;
  color: var(--muted-text);
  cursor: pointer;
  border-radius: calc(var(--border-radius) - 3px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.tab-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--light-text);
}

.tab-btn.active {
  background-color: var(--primary-color);
  color: white;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* 區塊鏈抽獎驗證容器 */
.lottery-verify-container {
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  padding: 20px;
}

.lottery-input-section {
  margin-bottom: 30px;
}

.input-group {
  display: flex;
  gap: 10px;
  align-items: end;
}

.input-group input {
  flex: 1;
}

.input-group .primary-btn {
  min-width: 120px;
  justify-content: center;
}

/* 驗證結果樣式 */
.lottery-verification-results {
  margin-top: 20px;
}

.lottery-verification-status {
  background: linear-gradient(
    135deg,
    rgba(155, 89, 182, 0.1),
    rgba(52, 152, 219, 0.1)
  );
  border-radius: var(--border-radius);
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid rgba(155, 89, 182, 0.3);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 15px;
}

.status-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  background: linear-gradient(45deg, var(--success-color), #27ae60);
  box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.status-icon.error {
  background: linear-gradient(45deg, var(--error-color), #c0392b);
  box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.status-icon.warning {
  background: linear-gradient(45deg, #f39c12, #e67e22);
  box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}

.status-text h3 {
  margin: 0 0 5px 0;
  color: var(--light-text);
  font-size: 1.3rem;
}

.status-text p {
  margin: 0;
  color: var(--muted-text);
  font-size: 1rem;
}

/* 信息卡片樣式 */
.lottery-info-card,
.blockchain-proof-card,
.randomness-sources-card,
.draw-history-card,
.verification-tools-card {
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--border-radius);
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.lottery-info-card h3,
.blockchain-proof-card h3,
.randomness-sources-card h3,
.draw-history-card h3,
.verification-tools-card h3 {
  margin: 0 0 15px 0;
  color: var(--accent-color);
  font-size: 1.2rem;
  font-weight: 600;
  border-bottom: 2px solid rgba(241, 196, 15, 0.3);
  padding-bottom: 8px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: rgba(155, 89, 182, 0.1);
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
}

.info-item .label {
  font-weight: 600;
  color: var(--muted-text);
}

.info-item .value {
  color: var(--light-text);
  font-family: "Courier New", monospace;
  font-weight: 500;
  word-break: break-all;
}

/* 區塊鏈證明鏈樣式 */
.proof-chain {
  position: relative;
}

.proof-block {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: white;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 15px;
  position: relative;
  border: 2px solid transparent;
  background-clip: padding-box;
  transition: all 0.3s ease;
}

.proof-block:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(155, 89, 182, 0.3);
}

.proof-block:not(:last-child)::after {
  content: "⬇️";
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark-bg);
  border-radius: 50%;
  width: 35px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  border: 2px solid var(--primary-color);
}

.block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.block-type {
  background: rgba(255, 255, 255, 0.2);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.block-timestamp {
  font-size: 0.85rem;
  opacity: 0.9;
}

.block-hash {
  font-family: "Courier New", monospace;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 8px;
  border-radius: 6px;
  margin: 8px 0;
  word-break: break-all;
  line-height: 1.4;
}

.block-details {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.block-detail {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.block-detail .detail-label {
  opacity: 0.9;
  font-weight: 500;
}

.block-detail .detail-value {
  font-family: "Courier New", monospace;
  font-size: 0.85rem;
  word-break: break-all;
}

/* 隨機性來源樣式 */
.randomness-info {
  display: grid;
  gap: 12px;
}

.source-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: rgba(241, 196, 15, 0.1);
  border-radius: 8px;
  border-left: 4px solid var(--accent-color);
}

.source-label {
  font-weight: 600;
  color: var(--muted-text);
}

.source-value {
  font-family: "Courier New", monospace;
  color: var(--light-text);
  font-size: 0.85rem;
  word-break: break-all;
}

/* 抽獎歷史樣式 */
.history-list {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
}

.history-item {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 15px;
  align-items: center;
  padding: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: background-color 0.3s ease;
}

.history-item:hover {
  background: rgba(155, 89, 182, 0.1);
}

.history-item:last-child {
  border-bottom: none;
}

.history-nonce {
  background: linear-gradient(
    45deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  padding: 8px;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
}

.history-details h4 {
  margin: 0 0 5px 0;
  color: var(--light-text);
  font-size: 1rem;
}

.history-details p {
  margin: 0;
  color: var(--muted-text);
  font-size: 0.85rem;
}

.history-proof {
  font-family: "Courier New", monospace;
  font-size: 0.75rem;
  color: var(--muted-text);
  background: rgba(0, 0, 0, 0.3);
  padding: 4px 8px;
  border-radius: 4px;
}

.history-verify-btn {
  background: linear-gradient(45deg, var(--secondary-color), #1976d2);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.3s ease;
}

.history-verify-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
}

/* 驗證工具樣式 */
.tools-section {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.tools-section .action-btn {
  background: linear-gradient(
    45deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.tools-section .action-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(155, 89, 182, 0.4);
}

/* 區塊鏈說明區域樣式 */
.blockchain-explanation-section {
  background: linear-gradient(
    135deg,
    rgba(155, 89, 182, 0.1),
    rgba(52, 152, 219, 0.1)
  );
  border: 1px solid rgba(155, 89, 182, 0.3);
}

.explanation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.explanation-card {
  background: rgba(0, 0, 0, 0.3);
  padding: 20px;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
  transition: all 0.3s ease;
}

.explanation-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(155, 89, 182, 0.2);
}

.explanation-card h4 {
  color: var(--accent-color);
  margin: 0 0 10px 0;
  font-size: 1.1rem;
}

.explanation-card p {
  color: var(--muted-text);
  margin: 0;
  line-height: 1.6;
}

/* 響應式設計擴展 */
@media (max-width: 768px) {
  .verify-tabs {
    flex-direction: column;
  }

  .tab-btn {
    text-align: center;
  }

  .input-group {
    flex-direction: column;
    gap: 10px;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .tools-section {
    flex-direction: column;
  }

  .tools-section .action-btn {
    justify-content: center;
  }

  .explanation-grid {
    grid-template-columns: 1fr;
  }

  .history-item {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 10px;
  }

  .status-indicator {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }

  .proof-block:not(:last-child)::after {
    left: 20px;
    transform: none;
  }
}