:root {
  --bg: #0f1221;
  --panel: #181b2e;
  --panel-2: #1f2340;
  --border: #2b3055;
  --text: #e7e9ff;
  --muted: #9096b3;
  --primary: #6c7cff;
  --primary-hover: #8595ff;
  --accent: #22d3a0;
  --warn: #ffb259;
  --error: #ff6b83;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, #0b0e1d 0%, #0f1221 40%);
  color: var(--text);
  font-family: "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI",
               "PingFang TC", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: rgba(24, 27, 46, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand .logo { font-size: 24px; }
.brand h1 { margin: 0; font-size: 20px; letter-spacing: 1px; }
.brand .subtitle { color: var(--muted); font-size: 13px; }

.tabs { display: flex; gap: 4px; }
.tab {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s;
}
.tab:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.tab.active {
  color: var(--text);
  background: var(--panel-2);
  box-shadow: inset 0 -2px 0 var(--primary);
}

.panel {
  display: none;
  padding: 24px 28px 80px;
  max-width: 1400px;
  margin: 0 auto;
}
.panel.active { display: block; }
.panel h2 { margin-top: 0; font-size: 20px; }

.hint { color: var(--muted); font-size: 13px; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}
.stat-card .label { color: var(--muted); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; }
.stat-card .value { font-size: 28px; font-weight: 700; margin-top: 6px; }

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.toolbar input[type="text"],
.toolbar select,
.setting-group input,
.kw-add input {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
.toolbar input[type="text"] { flex: 1; min-width: 240px; }
.toolbar input:focus,
.toolbar select:focus,
.setting-group input:focus { border-color: var(--primary); }

.btn {
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); border-color: #3d4475; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: white; }
.btn.primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.export-group { display: flex; gap: 6px; margin-left: auto; }

.status-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(34, 211, 160, 0.1);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 14px;
}
.status-bar.hidden { display: none; }
.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent);
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.table-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  overflow-x: auto;
}
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  font-size: 13px;
}
th {
  background: var(--panel-2);
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
tr:hover td { background: rgba(108, 124, 255, 0.06); }
td.empty { text-align: center; color: var(--muted); padding: 48px; }

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.badge.accupass { background: #2e1b5e; color: #c4b5fd; }
.badge.bhuntr { background: #114e3c; color: #6ee7b7; }
.badge.new { background: var(--accent); color: #052c22; margin-left: 6px; }
.badge.status-success { background: #114e3c; color: #6ee7b7; }
.badge.status-error { background: #4c1d24; color: #fca5a5; }
.badge.status-running { background: #1e3a5f; color: #93c5fd; }
.badge.status-skipped { background: #3d3024; color: #fbbf24; }

td a { color: var(--primary-hover); text-decoration: none; font-weight: 600; }
td a:hover { text-decoration: underline; }
td.email { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--muted); }

/* ----- keywords ----- */
.keyword-sources {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 18px;
}
.keyword-block {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.keyword-block h3 { margin-top: 0; }
.kw-list { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; min-height: 40px; }
.kw-chip {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 10px 5px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}
.kw-chip .remove {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  font-size: 15px;
  line-height: 1;
}
.kw-chip .remove:hover { color: var(--error); }
.kw-add { display: flex; gap: 8px; }
.kw-add input { flex: 1; }

/* ----- settings ----- */
.setting-group {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}
.setting-group h3 { margin-top: 0; }
.setting-group label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0;
  font-size: 14px;
}
.setting-group input[type="number"] { width: 80px; }
.setting-group input[type="text"],
.setting-group input[type="password"] { flex: 1; max-width: 420px; }
.setting-group fieldset {
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 10px 16px;
  margin-top: 14px;
}
.setting-group fieldset legend { padding: 0 8px; }
.actions { margin-top: 14px; display: flex; gap: 10px; }

/* ----- history ----- */
#history-table { width: 100%; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; }

.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15, 18, 33, 0.9);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--border);
  padding: 10px 24px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 720px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .tabs { width: 100%; overflow-x: auto; }
  .export-group { margin-left: 0; }
}