/* =============================================================================
   购买页样式（复用 styles.css 的主题变量与按钮）
   ============================================================================= */

.buy-main {
  position: relative;
  z-index: 1;
  max-width: 940px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

/* ---------- 页头 ---------- */
.buy-head { text-align: center; margin-bottom: 40px; }
.buy-head h1 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.buy-subtitle { color: var(--fg-muted); margin-top: 14px; font-size: 1.02rem; }
.buy-notice {
  max-width: 620px;
  margin: 22px auto 0;
  padding: 12px 18px;
  font-size: 0.9rem;
  color: var(--fg-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  text-align: left;
}
.buy-backend {
  margin-top: 14px;
  font-size: 0.84rem;
  color: var(--fg-dim);
}
.buy-backend code {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
}

/* ---------- 套餐 ---------- */
.package-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.buy-loading { grid-column: 1 / -1; text-align: center; color: var(--fg-muted); padding: 40px 0; }

.package-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 26px 24px;
  text-align: left;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.2s var(--ease), border-color 0.2s, background 0.2s;
}
.package-card:hover { transform: translateY(-4px); border-color: var(--accent-line); }
.package-card.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 12px 32px var(--accent-soft);
}
.package-card[disabled] { opacity: 0.55; cursor: not-allowed; transform: none; }

.package-name { font-size: 1.06rem; font-weight: 700; }
.package-days { color: var(--fg-muted); font-size: 0.88rem; }
.package-price { margin-top: 10px; font-size: 1.9rem; font-weight: 800; color: var(--accent); letter-spacing: -0.02em; }
.package-price small { font-size: 0.9rem; font-weight: 600; margin-left: 2px; }
.package-desc { color: var(--fg-dim); font-size: 0.85rem; min-height: 1.2em; }
.package-badge {
  position: absolute;
  top: -10px; right: 16px;
  padding: 3px 10px;
  font-size: 0.74rem;
  font-weight: 700;
  color: #04121a;
  background: var(--accent);
  border-radius: 999px;
}
.package-out { color: var(--danger); font-size: 0.82rem; }

/* ---------- 下单区 ---------- */
.buy-checkout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 32px;
  padding: 24px 28px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
}
.checkout-summary { display: flex; flex-direction: column; gap: 2px; }
.checkout-label { font-size: 0.8rem; color: var(--fg-dim); letter-spacing: 0.06em; }
.checkout-summary strong { font-size: 1.15rem; }
.checkout-meta { color: var(--fg-muted); font-size: 0.9rem; }
#createOrderBtn[disabled] { opacity: 0.45; pointer-events: none; }

/* ---------- 结果 ---------- */
.order-result,
.order-error {
  margin-top: 32px;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.order-result-head { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.order-result-head h2 { font-size: 1.24rem; }
.ok-dot {
  width: 10px; height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-soft);
}

.cardkey-box {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-alt);
  border: 1px dashed var(--accent-line);
  border-radius: var(--radius);
}
.cardkey-box code {
  flex: 1;
  font-family: 'Cascadia Mono', Consolas, monospace;
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
  word-break: break-all;
  user-select: all;
}
.copy-hint { color: var(--accent); font-size: 0.86rem; margin-top: 8px; }

.order-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin: 26px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--border);
}
.order-meta > div { display: flex; flex-direction: column; gap: 3px; }
.order-meta dt { font-size: 0.8rem; color: var(--fg-dim); }
.order-meta dd { margin: 0; font-size: 0.94rem; word-break: break-all; }

.activate-steps { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--border); }
.activate-steps h3 { font-size: 1rem; margin-bottom: 12px; color: var(--accent); }
.activate-steps ol { margin: 0; padding-left: 1.3em; color: var(--fg-muted); font-size: 0.94rem; }
.activate-steps li { margin: 6px 0; }

.order-error { border-color: rgba(248, 113, 113, 0.35); }
.order-error strong { color: var(--danger); display: block; margin-bottom: 8px; }
.order-error p { color: var(--fg-muted); font-size: 0.94rem; margin-bottom: 16px; word-break: break-word; }

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .buy-main { padding: 36px 18px 64px; }
  .buy-checkout { flex-direction: column; align-items: stretch; }
  .buy-checkout .btn { width: 100%; }
  .cardkey-box { flex-direction: column; align-items: stretch; }
  .cardkey-box .btn { width: 100%; }
  .order-result, .order-error { padding: 22px 18px; }
}

/* -----------------------------------------------------------------------------
 * 待付款提示（后端默认不自助发卡，下单后走"联系客服付款"流程）
 * -------------------------------------------------------------------------- */
.order-pending {
  margin: 1rem 0 0;
  padding: 0.9rem 1.1rem;
  border: 1px solid rgba(245, 158, 11, 0.45);
  border-radius: 0.75rem;
  background: rgba(245, 158, 11, 0.08);
}
.order-pending strong {
  display: block;
  margin-bottom: 0.35rem;
  color: #f59e0b;
}
.order-pending p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  opacity: 0.92;
}