/* ===== 设计变量 ===== */
:root {
  --pri: #6366f1;
  --pri2: #8b5cf6;
  --ok: #10b981;
  --ok2: #059669;
  --err: #ef4444;
  --warn: #f59e0b;
  --ink: #0f172a;
  --mut: #64748b;
  --line: #e2e8f0;
  --card: #ffffff;
  --radius: 18px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(99,102,241,.14), transparent 60%),
    radial-gradient(900px 520px at 110% 8%, rgba(139,92,246,.12), transparent 55%),
    linear-gradient(180deg, #eef2ff 0%, #f1f5f9 45%, #e8edf5 100%);
}

/* ===== 顶部 ===== */
.topbar {
  background: linear-gradient(135deg, #6366f1, #8b5cf6 60%, #a855f7);
  color: #fff;
  padding: 18px 16px;
  box-shadow: 0 4px 22px rgba(99,102,241,.35);
}
.topbar-inner {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  background: rgba(255,255,255,.2);
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 13px;
}
.brand h1 { margin: 0; font-size: 19px; line-height: 1.25; }
.sub { margin: 3px 0 0; font-size: 12px; opacity: .85; }

.user-box { display: flex; align-items: center; gap: 8px; }
.user-chip {
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.35);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.switch-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,.55);
  color: #fff;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
}

/* ===== 主体 ===== */
.container { max-width: 820px; margin: 0 auto; padding: 20px 14px 60px; }

.tabs {
  display: flex;
  gap: 8px;
  background: rgba(255,255,255,.75);
  padding: 6px;
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(15,23,42,.07);
  margin-bottom: 16px;
}
.tab {
  flex: 1;
  border: none;
  background: transparent;
  padding: 12px 6px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--mut);
  cursor: pointer;
  transition: all .18s;
}
.tab.active {
  background: linear-gradient(135deg, var(--pri), var(--pri2));
  color: #fff;
  box-shadow: 0 4px 14px rgba(99,102,241,.35);
}

/* ===== 卡片 ===== */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 10px 30px rgba(15,23,42,.08);
  border: 1px solid rgba(255,255,255,.6);
  animation: fade .25s ease;
}
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; } }

.card-head h2 { margin: 0; font-size: 18px; }
.hint { margin: 6px 0 14px; font-size: 13px; color: var(--mut); }

/* ===== 输入框 ===== */
.ta {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  resize: vertical;
  min-height: 120px;
  transition: border-color .15s, box-shadow .15s;
  background: #fbfcfe;
}
.ta:focus {
  outline: none;
  border-color: var(--pri);
  box-shadow: 0 0 0 3px rgba(99,102,241,.15);
  background: #fff;
}

/* ===== 按钮 ===== */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  border: none;
  border-radius: 12px;
  padding: 14px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .1s, box-shadow .15s, opacity .15s;
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-block { margin-top: 14px; }
.btn-primary {
  background: linear-gradient(135deg, var(--pri), var(--pri2));
  color: #fff;
  box-shadow: 0 6px 18px rgba(99,102,241,.35);
}
.btn-copy {
  margin-top: 18px;
  background: linear-gradient(135deg, #34d399, var(--ok2));
  color: #fff;
  font-size: 19px;
  letter-spacing: 1px;
  padding: 17px;
  border-radius: 14px;
  box-shadow: 0 8px 22px rgba(5,150,105,.38);
}
.btn-copy:disabled { opacity: .65; }

/* ===== 提交日志 ===== */
.log {
  margin-top: 14px;
  background: #0f172a;
  border-radius: 12px;
  padding: 12px;
  max-height: 300px;
  overflow: auto;
  font-family: Consolas, Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.8;
}
.log-line { color: #94a3b8; word-break: break-all; }
.log-line .t { color: #475569; margin-right: 6px; }
.log-line.ok { color: #4ade80; }
.log-line.err { color: #f87171; }
.log-line.info { color: #93c5fd; }
.log-line.warn { color: #fbbf24; }

/* ===== 查询结果 ===== */
.result-info {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 10px;
}
.result-info.ok { background: #ecfdf5; color: #047857; }
.result-info.empty { background: #fefce8; color: #a16207; }
.result-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 440px;
  overflow: auto;
}
.result-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
}
.ri-no {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--pri), var(--pri2));
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
}
.ri-content {
  font-size: 12.5px;
  word-break: break-all;
  line-height: 1.65;
  font-family: Consolas, Menlo, monospace;
  color: #334155;
  padding-top: 4px;
}

.foot {
  text-align: center;
  font-size: 12px;
  color: #94a3b8;
  margin: 26px 0 0;
}

/* ===== 登录弹窗 ===== */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s;
}
.overlay.open { opacity: 1; visibility: visible; }
.login-card {
  background: #fff;
  border-radius: 20px;
  padding: 30px 24px 26px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 20px 60px rgba(15,23,42,.3);
  text-align: center;
}
.login-icon {
  width: 58px; height: 58px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pri), var(--pri2));
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  box-shadow: 0 8px 20px rgba(99,102,241,.4);
}
.login-card h2 { margin: 0 0 6px; font-size: 20px; }
.inp {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  padding: 13px 14px;
  font-size: 15px;
  margin: 18px 0 4px;
  transition: border-color .15s, box-shadow .15s;
}
.inp:focus {
  outline: none;
  border-color: var(--pri);
  box-shadow: 0 0 0 3px rgba(99,102,241,.15);
}

/* ===== 轻提示 ===== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 36px;
  transform: translateX(-50%) translateY(20px);
  background: #0f172a;
  color: #fff;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px;
  opacity: 0;
  visibility: hidden;
  transition: all .25s;
  z-index: 300;
  max-width: 90%;
  text-align: center;
  box-shadow: 0 10px 30px rgba(15,23,42,.3);
}
.toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.toast.ok { background: var(--ok2); }
.toast.err { background: #dc2626; }
.toast.warn { background: #d97706; }

/* ===== 加载遮罩 ===== */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.45);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 200;
}
.loader {
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  animation: spin .8s linear infinite;
}
.loading-text { color: #fff; font-size: 15px; font-weight: 600; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 手机端微调 ===== */
@media (max-width: 480px) {
  .topbar { padding: 14px 12px; }
  .container { padding: 14px 10px 50px; }
  .card { padding: 16px; }
  .brand h1 { font-size: 17px; }
}