/* ═══════════════════════════════════════════════════════════
 * site.css — 许愿瓶浪花 统一界面样式（uix 体系）
 *
 * server.js 自动注入所有项目页面（<head> 内），新页面无需单独写样式，
 * 直接用下方 uix-* 类名即可。维护：只改本文件，全站生效。
 *
 * 设计语言（延续全站基调）：
 *   深紫蓝渐变背景 · 半透明玻璃卡片 · 紫蓝粉渐变强调 · 深色表单
 * ═══════════════════════════════════════════════════════════ */

:root {
  /* 设计令牌 */
  --uix-bg-1: #0f0c29; --uix-bg-2: #302b63; --uix-bg-3: #24243e;
  --uix-surface: rgba(255,255,255,.06);
  --uix-surface-strong: rgba(255,255,255,.11);
  --uix-border: rgba(255,255,255,.14);
  --uix-border-strong: rgba(255,255,255,.26);
  --uix-fg: #e0e0e0;
  --uix-fg-muted: #9aa3b8;
  --uix-accent: #667eea;
  --uix-accent-2: #a78bfa;
  --uix-accent-grad: linear-gradient(135deg,#667eea,#764ba2,#f093fb);
  --uix-ok: #34d399; --uix-err: #f87171;
  --uix-radius: 14px; --uix-radius-sm: 10px;
  --uix-shadow: 0 10px 40px rgba(0,0,0,.35);
}

/* ── 页面骨架 ─────────────────────────────────────── */
.uix-body {
  margin: 0; min-height: 100vh; color: var(--uix-fg); line-height: 1.6;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
  background: linear-gradient(135deg, var(--uix-bg-1), var(--uix-bg-2), var(--uix-bg-3));
  -webkit-font-smoothing: antialiased;
}
.uix-wrap { max-width: 880px; margin: 0 auto; padding: 32px 20px 48px; min-height: 100vh; }

/* ── 面包屑 / 标题区 ──────────────────────────────── */
.uix-crumb { font-size: 13px; color: var(--uix-fg-muted); margin: 0 0 22px; }
.uix-crumb a { color: var(--uix-accent); text-decoration: none; }
.uix-crumb a:hover { text-decoration: underline; }
.uix-head h1 { font-size: 26px; margin: 0 0 6px; letter-spacing: .3px; }
.uix-sub { color: var(--uix-fg-muted); font-size: 14px; margin: 0 0 26px; }

/* ── 网格 / 卡片 ──────────────────────────────────── */
.uix-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 680px) { .uix-grid { grid-template-columns: 1fr; } }

.uix-card {
  background: var(--uix-surface); border: 1px solid var(--uix-border);
  border-radius: var(--uix-radius); padding: 22px; box-shadow: var(--uix-shadow);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  display: flex; flex-direction: column; gap: 14px;
  animation: uixIn .5s ease both;
}
.uix-card:nth-child(2) { animation-delay: .08s; }
@keyframes uixIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.uix-card h2 { font-size: 17px; margin: 0; }

/* ── 表单 ─────────────────────────────────────────── */
.uix-textarea, .uix-input {
  width: 100%; box-sizing: border-box;
  background: rgba(255,255,255,.05); border: 1px solid var(--uix-border);
  border-radius: var(--uix-radius-sm); color: var(--uix-fg);
  padding: 12px 14px; font-size: 14px; font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}
.uix-textarea { min-height: 170px; resize: vertical; line-height: 1.6; }
.uix-input { padding: 13px 14px; font-size: 18px; text-align: center; letter-spacing: 6px; text-transform: uppercase; }
.uix-input::placeholder { font-size: 13px; letter-spacing: 0; text-transform: none; }
.uix-textarea::placeholder, .uix-input::placeholder { color: rgba(154,163,184,.55); }
.uix-textarea:focus, .uix-input:focus { outline: none; border-color: var(--uix-accent); box-shadow: 0 0 0 3px rgba(102,126,234,.25); }
.uix-count { font-size: 12px; color: var(--uix-fg-muted); text-align: right; margin-top: -10px; }

/* ── 列表（通用，2026-08-20 新增：局域网分享等工具使用） ── */
.uix-list {
  list-style: none; margin: 0; padding: 0;
}
.uix-list li {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 9px 12px; border-radius: var(--uix-radius-sm);
  background: rgba(255,255,255,.05); margin-bottom: 6px; font-size: 14px;
  word-break: break-all;
}
.uix-list li:last-child { margin-bottom: 0; }

/* ── 按钮 ─────────────────────────────────────────── */
.uix-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 20px; border: none; border-radius: var(--uix-radius-sm);
  background: var(--uix-accent-grad); color: #fff; font-size: 14px; font-weight: 600;
  cursor: pointer; box-shadow: 0 4px 16px rgba(102,126,234,.35);
  transition: transform .12s, filter .15s, box-shadow .15s;
}
.uix-btn:hover { filter: brightness(1.12); box-shadow: 0 6px 20px rgba(102,126,234,.45); }
.uix-btn:active { transform: scale(.97); }
.uix-btn:disabled { filter: grayscale(.6) brightness(.8); cursor: not-allowed; box-shadow: none; }
.uix-btn-ghost { background: rgba(255,255,255,.08); box-shadow: none; color: var(--uix-fg); }
.uix-btn-ghost:hover { background: rgba(255,255,255,.14); filter: none; }
.uix-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* ── 消息 / 结果 ──────────────────────────────────── */
.uix-msg { display: none; padding: 11px 14px; border-radius: var(--uix-radius-sm); font-size: 13px; }
.uix-msg.show { display: block; animation: uixIn .25s ease both; }
.uix-msg.err { background: rgba(248,113,113,.12); color: var(--uix-err); border: 1px solid rgba(248,113,113,.3); }
.uix-msg.ok { background: rgba(52,211,153,.12); color: var(--uix-ok); border: 1px solid rgba(52,211,153,.3); }

.uix-result {
  display: none; background: rgba(255,255,255,.04);
  border: 1px dashed var(--uix-border-strong); border-radius: var(--uix-radius-sm);
  padding: 16px;
}
.uix-result.show { display: block; animation: uixIn .3s ease both; }
.uix-hint { font-size: 13px; color: var(--uix-fg-muted); margin: 0 0 10px; }

/* ── 提取码 / 文本展示 ────────────────────────────── */
.uix-code {
  font-size: 36px; font-weight: 700; letter-spacing: 12px; padding-left: 12px;
  text-align: center; padding: 14px 0; margin: 0 0 12px;
  border-radius: var(--uix-radius-sm); background: rgba(255,255,255,.06);
  border: 1px solid var(--uix-border); color: transparent;
  background-image: var(--uix-accent-grad);
  -webkit-background-clip: text; background-clip: text;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.uix-pre { white-space: pre-wrap; word-break: break-word; font-size: 14px; max-height: 280px; overflow-y: auto; margin: 0; }
.uix-center { text-align: center; }

/* ── 无障碍 / 降级 ────────────────────────────────── */
:focus-visible { outline: 2px solid var(--uix-accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  .uix-card, .uix-msg.show, .uix-result.show { animation: none; }
}
