/* ================= TOUDOU 工具箱 样式 ================= */
:root {
  --bg: #0e1116;
  --bg-2: #12161d;
  --surface: #171c24;
  --surface-2: #1c222c;
  --border: rgba(255, 255, 255, 0.08);
  --border-2: rgba(255, 255, 255, 0.14);
  --text: #e8ebf0;
  --muted: #8b93a1;
  --muted-2: #5c6470;
  --primary: #e63946;
  --primary-2: #ff4d5a;
  --green: #34d399;
  --orange: #fb923c;
  --blue: #60a5fa;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background: #0a0a14;
}

/* ================= 高级动态背景 ================= */
.bg-scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: #0a0a14;
}
.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  will-change: transform;
}
.orb-1 { width: 55vmax; height: 55vmax; left: -12vmax; top: -14vmax; background: radial-gradient(circle at 35% 35%, rgba(139, 92, 246, 0.65), transparent 65%); animation: orbDrift1 22s ease-in-out infinite alternate; }
.orb-2 { width: 48vmax; height: 48vmax; right: -14vmax; top: -8vmax; background: radial-gradient(circle at 60% 40%, rgba(236, 72, 153, 0.50), transparent 65%); animation: orbDrift2 26s ease-in-out infinite alternate; }
.orb-3 { width: 50vmax; height: 50vmax; left: 12vmax; bottom: -18vmax; background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.55), transparent 65%); animation: orbDrift3 24s ease-in-out infinite alternate; }
.orb-4 { width: 36vmax; height: 36vmax; right: 8vmax; bottom: -10vmax; background: radial-gradient(circle at 50% 50%, rgba(34, 211, 238, 0.28), transparent 65%); animation: orbDrift4 30s ease-in-out infinite alternate; }
@keyframes orbDrift1 { to { transform: translate(6vmax, 5vmax) scale(1.12); } }
@keyframes orbDrift2 { to { transform: translate(-5vmax, 7vmax) scale(0.92); } }
@keyframes orbDrift3 { to { transform: translate(-6vmax, -5vmax) scale(1.10); } }
@keyframes orbDrift4 { to { transform: translate(5vmax, -6vmax) scale(1.15); } }
.bg-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 25%, transparent 78%);
}
#bg-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ================= 搜索 + 统计 ================= */
.search-box {
  position: relative;
  max-width: 640px;
  margin: 0 0 16px;
}
.search-box svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--muted);
  pointer-events: none;
}
.search-box input {
  width: 100%;
  padding: 14px 18px 14px 46px;
  background: rgba(22, 20, 40, 0.55);
  border: 1px solid rgba(139, 92, 246, 0.28);
  border-radius: 14px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  backdrop-filter: blur(14px);
  transition: border-color .18s, box-shadow .18s;
}
.search-box input:focus {
  border-color: #8b5cf6;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.22), 0 8px 30px rgba(139, 92, 246, 0.18);
}
.home-stats {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 13px;
}
.home-stats .hs-chip {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(22, 20, 40, 0.5);
  border: 1px solid rgba(139, 92, 246, 0.22);
  backdrop-filter: blur(10px);
}
.home-stats .hs-chip b { color: var(--text); }

.main { position: relative; z-index: 1; }

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; color: var(--text); }
svg { display: block; }

/* ================= 登录（紫色碰撞主题） ================= */
.login-wrap {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 55% 50% at 18% 8%, rgba(139, 92, 246, 0.38), transparent 60%),
    radial-gradient(ellipse 50% 45% at 82% 15%, rgba(236, 72, 153, 0.30), transparent 60%),
    radial-gradient(ellipse 55% 45% at 55% 105%, rgba(99, 102, 241, 0.32), transparent 62%),
    radial-gradient(ellipse 40% 40% at 6% 92%, rgba(34, 211, 238, 0.14), transparent 60%),
    #0a0a14;
}
.login-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  pointer-events: none;
}
.login-wrap::after {
  content: "";
  position: absolute;
  inset: -50%;
  background:
    radial-gradient(circle 3px at 20% 30%, rgba(167, 139, 250, 0.8), transparent 60%),
    radial-gradient(circle 2px at 70% 20%, rgba(249, 168, 212, 0.7), transparent 60%),
    radial-gradient(circle 3px at 40% 75%, rgba(129, 140, 248, 0.7), transparent 60%),
    radial-gradient(circle 2px at 85% 65%, rgba(139, 92, 246, 0.8), transparent 60%),
    radial-gradient(circle 2px at 60% 40%, rgba(236, 72, 153, 0.7), transparent 60%);
  animation: floatPoints 14s linear infinite;
  pointer-events: none;
}
@keyframes floatPoints {
  from { transform: translateY(0); }
  to { transform: translateY(-120px); }
}
.login-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 400px;
  background: rgba(22, 20, 40, 0.55);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(139, 92, 246, 0.28);
  border-radius: 20px;
  padding: 40px 36px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5), 0 0 60px rgba(139, 92, 246, 0.18), inset 0 1px 0 rgba(255,255,255,0.06);
  text-align: center;
  animation: cardRise 0.4s ease;
}
@keyframes cardRise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.login-logo {
  width: 60px; height: 60px;
  margin: 0 auto 18px;
  border-radius: 16px;
  display: grid; place-items: center;
  color: #fff;
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  box-shadow: 0 8px 26px rgba(139, 92, 246, 0.5);
}
.login-logo svg { width: 30px; height: 30px; }
.login-title { font-size: 22px; font-weight: 800; letter-spacing: -0.3px; }
.login-sub { color: var(--muted); font-size: 13px; margin-top: 6px; margin-bottom: 28px; }
.login-form { text-align: left; }
.field { display: block; margin-bottom: 16px; }
.field span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.field input {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(139, 92, 246, 0.22);
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
}
.field input:focus { border-color: #8b5cf6; box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.22); }
.login-error { color: #f472b6; font-size: 13px; min-height: 20px; margin-bottom: 8px; }
.login-tip { color: var(--muted-2); font-size: 12px; margin-top: 20px; }
.login-card .btn-primary {
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  box-shadow: 0 6px 22px rgba(139, 92, 246, 0.45);
}
.login-card .btn-primary:hover {
  filter: none;
  background: linear-gradient(135deg, #7c3aed, #db2777);
  box-shadow: 0 8px 28px rgba(139, 92, 246, 0.6);
}

/* ================= 顶部栏 ================= */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  height: 62px;
  background: rgba(14, 17, 22, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-left { display: flex; align-items: center; }
.logo-btn { display: flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 800; }
.logo-btn svg { width: 22px; height: 22px; color: var(--primary-2); }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #b31f2b);
  color: #fff; font-weight: 700; font-size: 14px;
  display: grid; place-items: center;
}
.user-name { color: var(--muted); font-size: 13px; }

/* ================= 主区 ================= */
.main { max-width: 1120px; margin: 0 auto; padding: 34px 28px 60px; }

/* ================= 首页 ================= */
.home-head { margin-bottom: 24px; }
.home-head h2 { font-size: 26px; font-weight: 800; letter-spacing: -0.4px; }
.home-head p { color: var(--muted); font-size: 13px; margin-top: 6px; }

.cat-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.cat-tab {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  transition: all .18s;
}
.cat-tab:hover { color: var(--text); border-color: var(--border-2); }
.cat-tab.active {
  background: linear-gradient(135deg, var(--primary), #c11f2b);
  color: #fff; border-color: transparent;
  box-shadow: 0 6px 18px rgba(230, 57, 70, 0.30);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}
.tool-card {
  text-align: left;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all .18s;
  position: relative;
  overflow: hidden;
}
.tool-card::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(140deg, rgba(230, 57, 70, 0.10), transparent 50%);
  opacity: 0; transition: opacity .18s;
}
.tool-card:hover { transform: translateY(-3px); border-color: var(--border-2); box-shadow: var(--shadow); }
.tool-card:hover::before { opacity: 1; }
.tool-icon {
  width: 42px; height: 42px; border-radius: 11px;
  display: grid; place-items: center;
  margin-bottom: 14px;
  background: color-mix(in srgb, var(--c, #e63946) 15%, transparent);
  color: var(--c, #e63946);
}
.tool-icon svg { width: 22px; height: 22px; }
.tool-card h3 { font-size: 15px; font-weight: 700; }
.tool-card p { color: var(--muted); font-size: 12px; margin-top: 4px; }
.tool-tag {
  position: absolute; top: 16px; right: 16px;
  font-size: 10px; padding: 3px 8px; border-radius: 6px;
  background: rgba(96, 165, 250, 0.14); color: var(--blue);
}
.tool-tag.local { background: rgba(52, 211, 153, 0.12); color: var(--green); }

/* ================= 详情 ================= */
.detail-head { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.back-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--muted); font-size: 13px; transition: all .18s;
}
.back-btn svg { width: 16px; height: 16px; }
.back-btn:hover { color: var(--text); border-color: var(--border-2); }
.detail-head h2 { font-size: 22px; font-weight: 800; }

.tool-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.tool-desc { color: var(--muted); font-size: 13px; margin-bottom: 20px; }

/* 通用表单元素 */
.io-row { display: flex; gap: 14px; align-items: flex-start; flex-wrap: wrap; }
.io-col { flex: 1; min-width: 240px; }
.io-label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 8px; }
textarea.code, input.code {
  width: 100%;
  min-height: 130px;
  padding: 12px 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: "SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
  font-size: 13px;
  resize: vertical;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
}
textarea.code:focus, input.code:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.14); }
input.code { min-height: 42px; }
textarea.code.readonly { background: var(--surface-2); color: var(--text); }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; }
.btn-primary, .btn-ghost, .btn-mini {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; border-radius: 10px;
  font-size: 13px; font-weight: 600;
  transition: all .18s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #c11f2b);
  color: #fff;
  box-shadow: 0 6px 16px rgba(230, 57, 70, 0.28);
}
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn-ghost { border: 1px solid var(--border); background: var(--surface-2); color: var(--text); }
.btn-ghost:hover { border-color: var(--border-2); }
.btn-mini { padding: 6px 12px; font-size: 12px; border: 1px solid var(--border); background: var(--surface-2); color: var(--muted); }
.btn-mini:hover { color: var(--text); border-color: var(--border-2); }

.result-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
  font-size: 13px;
  white-space: pre-wrap;
  word-break: break-all;
  min-height: 48px;
  position: relative;
}
.result-box .copy-btn { position: absolute; top: 10px; right: 10px; }

.select, .input-inline {
  padding: 9px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 9px;
  font-size: 13px;
  outline: none;
  transition: border-color .18s;
}
.select:focus, .input-inline:focus { border-color: var(--primary); }
.input-inline { min-width: 200px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin-top: 14px; }
.stat-box { background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 14px; text-align: center; }
.stat-box .num { font-size: 22px; font-weight: 800; color: var(--primary-2); }
.stat-box .lbl { font-size: 11px; color: var(--muted); margin-top: 2px; }

/* diff 高亮 */
.diff-line { font-family: "SF Mono", Consolas, monospace; font-size: 13px; padding: 2px 10px; white-space: pre-wrap; word-break: break-all; }
.diff-add { background: rgba(52, 211, 153, 0.14); color: #a7f3d0; }
.diff-del { background: rgba(230, 57, 70, 0.14); color: #fca5a5; }
.diff-same { color: var(--muted); }

/* 正则高亮 */
.regex-highlight mark { background: rgba(230, 57, 70, 0.35); color: #fff; border-radius: 2px; padding: 0 1px; }

/* 颜色色块 */
.color-preview { width: 100%; height: 120px; border-radius: 10px; border: 1px solid var(--border); margin-bottom: 16px; transition: background .15s; }

/* 二维码 */
.qr-box { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 10px 0; }
.qr-box img { background: #fff; border-radius: 10px; padding: 10px; width: 256px; height: 256px; }

/* 无权限 */
.forbidden { text-align: center; padding: 80px 20px; }
.forbidden svg { width: 56px; height: 56px; margin: 0 auto 18px; color: var(--muted-2); }
.forbidden h2 { font-size: 20px; font-weight: 800; }
.forbidden p { color: var(--muted); font-size: 13px; margin-top: 8px; max-width: 420px; margin-left: auto; margin-right: auto; }

/* 响应式 */
@media (max-width: 640px) {
  .topbar { padding: 0 16px; }
  .main { padding: 24px 16px 48px; }
  .tool-panel { padding: 18px; }
  .user-name { display: none; }
}

/* ================= 玻璃态覆盖（高级动态风） ================= */
.topbar { background: rgba(10, 10, 20, 0.55); }
.tool-card {
  background: rgba(22, 20, 40, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(139, 92, 246, 0.18);
}
.tool-card:hover {
  border-color: rgba(139, 92, 246, 0.5);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45), 0 0 30px rgba(139, 92, 246, 0.18);
}
.tool-panel {
  background: rgba(22, 20, 40, 0.5);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(139, 92, 246, 0.18);
}
.cat-tab {
  background: rgba(22, 20, 40, 0.5);
  backdrop-filter: blur(10px);
  border-color: rgba(139, 92, 246, 0.2);
}
.cat-tab.active {
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  border-color: transparent;
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.35);
}
.btn-ghost, .back-btn { background: rgba(22, 20, 40, 0.5); }

/* ================= 紫色碰撞主题覆盖 ================= */
:root { --primary: #8b5cf6; --primary-2: #a78bfa; }
.btn-primary { background: linear-gradient(135deg, #8b5cf6, #ec4899); box-shadow: 0 6px 16px rgba(139, 92, 246, 0.30); }
.btn-primary:hover { filter: none; background: linear-gradient(135deg, #7c3aed, #db2777); }
textarea.code:focus, input.code:focus { border-color: #8b5cf6; box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.16); }
.select:focus, .input-inline:focus { border-color: #8b5cf6; }
.stat-box .num { color: var(--primary-2); }
.logo-btn svg { color: #a78bfa; }
.avatar { background: linear-gradient(135deg, #8b5cf6, #ec4899); }
.tool-card::before { background: linear-gradient(140deg, rgba(139, 92, 246, 0.12), transparent 50%); }

/* ================= 分类标签彩点 ================= */
.cat-tab { display: inline-flex; align-items: center; gap: 8px; }
.cat-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cc, #a78bfa); box-shadow: 0 0 8px var(--cc, #a78bfa); }
.cat-tab.active .cat-dot { background: #fff; box-shadow: none; }

/* ================= 空状态 ================= */
.tool-empty { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 60px 20px; font-size: 14px; }

/* ================= 词频统计 ================= */
.wf-row { display: flex; align-items: center; gap: 12px; padding: 6px 0; border-bottom: 1px solid var(--border); white-space: normal; font-family: inherit; }
.wf-row:last-child { border-bottom: none; }
.wf-word { flex: 0 0 120px; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wf-bar { flex: 1; height: 8px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.wf-bar i { display: block; height: 100%; background: linear-gradient(90deg, #8b5cf6, #ec4899); border-radius: 999px; }
.wf-count { flex: 0 0 auto; font-size: 12px; color: var(--muted); white-space: nowrap; }

/* ================= 抽奖结果 ================= */
.lottery-chip { display: inline-block; padding: 6px 14px; margin: 4px; border-radius: 999px; background: rgba(139, 92, 246, 0.16); border: 1px solid rgba(139, 92, 246, 0.3); color: var(--text); font-size: 14px; }

/* ================= 倒计时 ================= */
.cd-grid { display: flex; gap: 14px; justify-content: center; white-space: normal; font-family: inherit; }
.cd-box { min-width: 76px; padding: 16px 10px; background: rgba(22, 20, 40, 0.6); border: 1px solid rgba(139, 92, 246, 0.25); border-radius: 14px; }
.cd-box b { display: block; font-size: 30px; font-weight: 800; color: var(--text); line-height: 1.1; }
.cd-box span { font-size: 12px; color: var(--muted); }

/* ================= URL 解析 ================= */
.kv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; white-space: normal; font-family: inherit; }
.kv { background: var(--surface-2); border: 1px solid var(--border); border-radius: 9px; padding: 10px 12px; }
.kv span { display: block; font-size: 11px; color: var(--muted); }
.kv b { font-size: 13px; color: var(--text); word-break: break-all; }
@media (max-width: 480px) { .kv-grid { grid-template-columns: 1fr; } }