/* buy.html 页面专用样式，作为 styles.css 的补充。
   通用组件（.btn / .container / .section / .info-card / .pricing-grid / .pricing-card）
   都在 styles.css 里定义；这里只放 buy 页面独有的部分。 */

/* ─── 选择状态：cards 加交互边框，被选中样式 ─── */
.pricing-card {
  cursor: pointer;
  user-select: none;
}

.pricing-card.selected {
  border-color: var(--accent);
  box-shadow: var(--shadow-xl);
  background: color-mix(in srgb, var(--accent) 4%, var(--card));
}

.pricing-card.selected.popular {
  background: color-mix(in srgb, var(--accent) 6%, var(--card));
}

.plans-loading {
  padding: 3rem 0;
  text-align: center;
}

/* ─── 控件区（支付方式 / 邮箱 / 按钮） ─── */
.buy-controls {
  max-width: 640px;
  margin: 3rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.control-block h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
}

.required-mark {
  color: var(--accent);
  font-weight: 700;
}

/* ─── 渠道 tab ─── */
.channel-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.channel-tabs:has(.channel-tab:only-child) {
  grid-template-columns: 1fr;
}

.channel-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  border: 2px solid var(--border);
  background: var(--card);
  color: var(--foreground);
  border-radius: var(--radius-lg);
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-weight: 600;
}

.channel-tab:hover {
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
}

.channel-tab.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--card));
  color: var(--accent);
}

.channel-icon {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #1677ff;
}

.channel-icon svg {
  width: 20px;
  height: 20px;
}

/* ─── 文本输入 ─── */
.text-input {
  width: 100%;
  background: var(--card);
  color: var(--foreground);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.875rem 1rem;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.text-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}

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

.field-hint {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted-foreground);
  line-height: 1.5;
}

/* ─── 错误与法律提示 ─── */
.pay-error {
  margin: 0;
  color: var(--destructive);
  font-size: 0.875rem;
  font-weight: 500;
}

.legal-note {
  margin: 1.5rem 0 0;
  font-size: 0.78rem;
  color: var(--muted-foreground);
  line-height: 1.6;
}

.legal-note a {
  color: var(--accent);
  font-weight: 500;
}

.legal-note .mono,
.legal-note code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  background: var(--muted);
  padding: 1px 6px;
  border-radius: 4px;
}

/* ─── 等待 / 失败状态共用容器 ─── */
.status-block {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 3rem 2rem;
  box-shadow: var(--shadow);
}

.status-block h2 {
  margin: 1rem 0 0.5rem;
}

.status-block p {
  margin-bottom: 1rem;
}

.status-block .btn {
  margin-top: 0.5rem;
}

.small-text {
  font-size: 0.85rem;
}

/* ─── 等待 spinner ─── */
.status-spinner {
  width: 48px;
  height: 48px;
  margin: 0 auto;
  border: 3px solid color-mix(in srgb, var(--accent) 15%, transparent);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: status-spin 0.9s linear infinite;
}

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

/* ─── 失败圆形图标 ─── */
.status-fail-circle {
  width: 56px;
  height: 56px;
  margin: 0 auto;
  border-radius: 50%;
  background: color-mix(in srgb, var(--destructive) 15%, transparent);
  color: var(--destructive);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.5rem;
}

/* ─── 成功页面布局 ─── */
.success-wrap {
  max-width: 640px;
  margin: 0 auto;
}

.success-circle {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.success-circle .icon {
  width: 40px;
  height: 40px;
}

.success-message {
  text-align: center;
  margin-bottom: 2rem;
}

.success-message h2 {
  margin-bottom: 0.5rem;
}

/* ─── 订单详情 kv 表 ─── */
.order-details {
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .order-details { padding: 2rem; }
}

.order-details h3 {
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

.kv-list {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.kv-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

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

.kv-row dt {
  color: var(--muted-foreground);
  font-size: 0.9rem;
}

.kv-row dd {
  margin: 0;
  font-weight: 600;
  color: var(--foreground);
}

.kv-row dd.accent { color: var(--accent); }
.kv-row dd.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  font-weight: 500;
}

/* ─── 激活码大字号显示 ─── */
.code-card {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--accent) 10%, var(--card)) 0%,
    color-mix(in srgb, var(--accent) 5%, var(--card)) 100%
  );
  border: 2px solid var(--accent);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}

@media (min-width: 640px) {
  .code-card { padding: 2rem; }
}

.code-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.code-card > .muted {
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.code-display {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
  text-align: center;
}

.code-text {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--accent);
  word-break: break-all;
  user-select: all;
}

@media (min-width: 640px) {
  .code-text { font-size: 2rem; }
}

/* ─── 后续步骤列表 ─── */
.numbered-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.numbered-list li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--muted-foreground);
  font-size: 0.95rem;
}

.numbered-list .num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

/* ─── 完成页底部 actions ─── */
.done-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

@media (min-width: 640px) {
  .done-actions {
    grid-template-columns: 1fr 1fr;
  }
}