:root {
  --bg: #0d1117;
  --bg-soft: #161b22;
  --bg-elev: #1c2128;
  --border: #2a3038;
  --border-soft: #232a32;
  --text: #e6edf3;
  --text-dim: #9aa7b4;
  --text-faint: #6b7684;
  --accent: #2dd4bf;      /* teal */
  --accent-2: #f0b429;    /* amber */
  --accent-3: #7c8ea0;    /* slate */
  --danger: #f47067;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(45, 212, 191, 0.15);
}
.brand h1 { font-size: 16px; font-weight: 600; margin: 0; letter-spacing: 0.2px; }

.actions { display: flex; gap: 8px; }

.auto-status {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  margin-left: auto;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-faint);
  transition: background 0.2s;
}
.status-dot.on { background: var(--accent); box-shadow: 0 0 0 4px rgba(45,212,191,.15); }
.status-dot.busy { background: var(--accent-2); box-shadow: 0 0 0 4px rgba(240,180,41,.15); }
.status-dot.off { background: var(--text-faint); }

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  padding: 7px 14px;
  border-radius: 7px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, transform 0.05s;
}
.btn:hover { border-color: #3a434e; background: #222832; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #06281f;
  font-weight: 600;
}
.btn-primary:hover { background: #34e0cb; border-color: #34e0cb; }
.btn-ghost { background: transparent; }

/* stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 16px 22px;
}
.stat {
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 14px 16px;
}
.stat-label { font-size: 12px; color: var(--text-dim); margin-bottom: 6px; letter-spacing: 0.3px; }
.stat-value { font-size: 22px; font-weight: 650; font-variant-numeric: tabular-nums; }
.stat-meta { font-size: 13px; font-weight: 500; color: var(--text-dim); }
.accent-mail { color: var(--accent-2); }
.accent-code { color: var(--accent); }

/* toolbar */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 22px 14px;
  flex-wrap: wrap;
}
.search {
  flex: 1 1 260px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 7px;
  font-size: 13px;
  outline: none;
}
.search:focus { border-color: var(--accent); }
.select {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 7px;
  font-size: 13px;
  outline: none;
}
.count { color: var(--text-faint); font-size: 12px; margin-left: auto; font-variant-numeric: tabular-nums; }
.export-num {
  width: 74px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 7px;
  font-size: 13px;
  outline: none;
}
.export-num:focus { border-color: var(--accent); }

/* table */
.table-wrap { padding: 0 22px; overflow-x: auto; }
.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
.grid th, .grid td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border-soft);
  white-space: nowrap;
}
.grid thead th {
  position: sticky;
  top: 0;
  background: var(--bg-soft);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.3px;
  border-bottom: 1px solid var(--border);
  user-select: none;
}
.grid th.sortable { cursor: pointer; }
.grid th.sortable:hover { color: var(--text); }
.arrow::after { content: ""; margin-left: 4px; color: var(--accent); }
th[data-dir="asc"] .arrow::after { content: "↑"; }
th[data-dir="desc"] .arrow::after { content: "↓"; }
.grid tbody tr { transition: background 0.08s; }
.grid tbody tr:hover { background: var(--bg-elev); }
.grid td.num { font-variant-numeric: tabular-nums; color: var(--text-dim); }

.email { font-family: var(--mono); font-size: 12.5px; }
.mono { font-family: var(--mono); font-size: 12px; }
.dim { color: var(--text-faint); }

.code-pill {
  display: inline-block;
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #0b3a2e;
  background: var(--accent);
  padding: 2px 9px;
  border-radius: 6px;
  font-size: 13px;
}
.badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid transparent;
  letter-spacing: 0.3px;
}
.badge-code { color: var(--accent); border-color: rgba(45,212,191,.35); background: rgba(45,212,191,.08); }
.badge-mail { color: var(--accent-2); border-color: rgba(240,180,41,.35); background: rgba(240,180,41,.08); }
.badge-none { color: var(--text-faint); border-color: var(--border); background: transparent; }
.badge-exported { color: #8b9dc3; border-color: rgba(139,157,195,.4); background: rgba(139,157,195,.1); }

.empty { text-align: center; color: var(--text-faint); padding: 48px 0; }

/* pager */
.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 14px 22px 22px;
}
#page-info { color: var(--text-dim); font-variant-numeric: tabular-nums; font-size: 13px; }

/* toast */
.toast {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: 0 8px 30px rgba(0,0,0,.5);
  z-index: 50;
  max-width: 80vw;
  white-space: pre-wrap;
}
.toast.ok { border-color: rgba(45,212,191,.5); }
.toast.err { border-color: rgba(244,112,103,.5); }

/* log panel */
.log-panel {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  background: rgba(6, 9, 13, 0.72);
  backdrop-filter: blur(2px);
  padding: 4vh 5vw;
}
.log-panel[hidden] { display: none; }  /* 关键: 覆盖 hidden 属性被 display:flex 顶掉的问题 */
.log-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 12px 12px 0 0;
}
.log-head h2 { font-size: 15px; margin: 0; font-weight: 600; }
.log-tabs { display: flex; gap: 6px; margin-left: auto; }
.tab {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  padding: 5px 11px;
  border-radius: 6px;
  font-size: 12.5px;
  cursor: pointer;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); background: var(--bg-elev); border-color: var(--border); }
.log-body {
  flex: 1;
  overflow-y: auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0 0 12px 12px;
  padding: 14px 18px;
}
.log-event {
  border: 1px solid var(--border-soft);
  background: var(--bg-soft);
  border-radius: 9px;
  padding: 11px 14px;
  margin-bottom: 10px;
}
.log-event-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.log-event-time { color: var(--text-faint); font-size: 12px; font-variant-numeric: tabular-nums; }
.log-tag { font-size: 11px; padding: 2px 9px; border-radius: 20px; border: 1px solid; }
.log-tag.added { color: var(--accent); border-color: rgba(45,212,191,.4); background: rgba(45,212,191,.08); }
.log-tag.removed { color: var(--danger); border-color: rgba(244,112,103,.4); background: rgba(244,112,103,.08); }
.log-tag.new_mail { color: var(--accent-2); border-color: rgba(240,180,41,.4); background: rgba(240,180,41,.08); }
.log-event-count { color: var(--text-dim); font-size: 12px; }
.log-emails { display: flex; flex-wrap: wrap; gap: 6px; }
.log-email {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 5px;
  padding: 2px 8px;
  cursor: pointer;
}
.log-email:hover { border-color: var(--accent); }
.log-email .c { color: var(--accent); font-weight: 700; margin-left: 6px; }
.log-raw { font-family: var(--mono); font-size: 12px; white-space: pre-wrap; color: var(--text-dim); line-height: 1.6; }
.log-empty { color: var(--text-faint); text-align: center; padding: 40px 0; }

@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .brand h1 { font-size: 14px; }
}