/* ========================================
   XPASS - 高端预售区域（玻璃态设计）
   ======================================== */

.presale {
  padding: var(--spacing-2xl) var(--spacing-md);
  background: var(--bg);
}

/* 背景装饰 */
.presale__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 30%, rgba(212, 175, 55, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(212, 175, 55, 0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* 网格布局 */
.presale__grid {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

/* ========================================
   左侧内容区
   ======================================== */

.presale__left {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* 标题引导区 */
.presale__lead {
  padding: 40px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: var(--transition);
}

.presale__lead:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border);
  box-shadow: var(--shadow-gold);
}

.presale__eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
  display: inline-block;
  padding: 6px 16px;
  background: rgba(212, 175, 55, 0.1);
  border-radius: 20px;
}

.presale__tagline {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0;
}

/* Passport 视频展示 */
.presale__passport {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  display: block;
}

.presale__passport:hover {
  border-color: var(--border);
  transform: translateY(-4px);
}

/* 信任徽章 */
.trust {
  padding: 32px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  text-align: center;
}

.trust__label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.trust__logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.trust__logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  opacity: 0.8;
  filter: grayscale(0.3);
  transition: var(--transition-fast);
}

.trust__logo:hover {
  opacity: 1;
  filter: grayscale(0);
  transform: scale(1.1);
}

.trust__logo--dark {
  filter: invert(1) grayscale(0.3);
}

.trust__logo--dark:hover {
  filter: invert(1) grayscale(0);
}

/* ========================================
   右侧预售卡片
   ======================================== */

.presale__right {
  padding: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  box-shadow: var(--shadow-gold);
  position: sticky;
  top: 100px;
}

.presale__title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 32px;
  text-align: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 倒计时 */
.countdown {
  margin-bottom: 32px;
  padding: 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.countdown__title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.countdown__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.cd-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px 8px;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.cd-box:hover {
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
}

.cd-box span {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}

.cd-box small {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 4px;
}

/* 进度条 */
.progress {
  margin-bottom: 32px;
}

.progress__summary {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.progress__summary #raisedNow {
  color: var(--primary);
}

.progress__bar {
  height: 12px;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  margin-bottom: 8px;
}

.progress__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary), var(--primary-light));
  border-radius: 6px;
  transition: width 0.6s var(--ease-smooth);
  position: relative;
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
}

.progress__fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: progressShine 2s ease-in-out infinite;
}

@keyframes progressShine {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

.progress__label {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.progress__label #progressPct {
  color: var(--primary);
  font-weight: 700;
}

/* 代币选择 */
.token {
  margin-bottom: 32px;
}

.token__switch {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 20px;
  padding: 8px;
  background: var(--bg);
  border-radius: var(--radius-sm);
}

.token__btn {
  padding: 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.token__btn:hover {
  color: var(--primary);
  border-color: var(--border);
  background: var(--bg-glass);
}

.token__btn.is-active {
  color: #000;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
}

/* 输入框 */
.input {
  width: 100%;
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition-fast);
  font-variant-numeric: tabular-nums;
}

.input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.input::placeholder {
  color: var(--text-dim);
}

/* 提示文本 */
.hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 8px;
  text-align: center;
}

/* 错误信息 */
.error {
  font-size: 13px;
  color: #ff4444;
  margin-top: 8px;
  text-align: center;
  min-height: 20px;
}

/* 接收数量显示 */
.receive {
  margin-top: 16px;
  padding: 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
}

.receive__amount {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  margin: 0 6px;
}

.receive__token {
  font-weight: 700;
  color: var(--text);
}

/* 操作按钮 */
.presale__actions {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.presale__actions .btn {
  flex: 1;
}

/* 分隔线 */
.or-divider {
  position: relative;
  text-align: center;
  margin: 32px 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.or-divider::before,
.or-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: calc(50% - 30px);
  height: 1px;
  background: var(--border-light);
}

.or-divider::before {
  left: 0;
}

.or-divider::after {
  right: 0;
}

/* Coinbase Commerce */
.presale__cc {
  text-align: center;
}

.presale__cc .btn {
  width: 100%;
  margin-bottom: 12px;
}

.presale__cc-note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-dim);
  padding: 12px;
  background: rgba(212, 175, 55, 0.05);
  border-radius: var(--radius-sm);
}

/* 合约地址盒子 */
.contract-address-box {
  margin-top: 32px;
  padding: 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.contract-address-label {
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
}

#contractAddress {
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: var(--text);
  user-select: all;
  word-break: break-all;
}

.contract-copy-btn {
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.contract-copy-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
}

.contract-view-link {
  font-size: 12px;
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

.contract-view-link:hover {
  color: var(--primary-light);
  text-decoration: underline;
}

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 1200px) {
  .presale__grid {
    gap: 48px;
  }

  .presale__right {
    padding: 40px;
  }
}

@media (max-width: 968px) {
  .presale__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .presale__right {
    position: static;
    top: auto;
  }
}

@media (max-width: 768px) {
  .presale {
    padding: var(--spacing-xl) var(--spacing-sm);
  }

  .presale__right {
    padding: 32px 24px;
  }

  .presale__title {
    font-size: 28px;
  }

  .countdown__grid {
    gap: 8px;
  }

  .cd-box span {
    font-size: 24px;
  }

  .cd-box small {
    font-size: 10px;
  }

  .token__switch {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  .token__btn {
    padding: 10px;
    font-size: 12px;
  }

  .presale__actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .presale__right {
    padding: 24px 20px;
  }

  .presale__title {
    font-size: 24px;
  }

  .presale__lead {
    padding: 24px;
  }

  .presale__tagline {
    font-size: 16px;
  }

  .countdown__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .token__switch {
    grid-template-columns: repeat(2, 1fr);
  }

  .contract-address-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
  }

  #contractAddress {
    font-size: 12px;
  }
}

/* ========================================
   性能优化
   ======================================== */

.presale__passport,
.presale__right {
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  .progress__fill::after {
    animation: none;
  }
}