:root {
  --bg: #0b0d11;
  --bg-card: #131720;
  --bg-card-hi: #1a1f2c;
  --border: #232938;
  --fg: #e8eaf0;
  --fg-muted: #7d8597;
  --fg-dim: #4a5163;
  --accent: #6c8eff;
  --accent-hover: #8aa3ff;
  --ok: #4ade80;
  --warn: #fbbf24;
  --err: #f87171;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.5;
}
code, pre, .mono { font-family: "SF Mono", "Consolas", monospace; }

/* -- Login -- */
.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 30% 20%, #1a2440, var(--bg) 70%);
}
.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 360px;
  text-align: center;
}
.logo, .logo-sm {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, #6c8eff, #a55bff);
  border-radius: 12px;
  display: grid; place-items: center;
  font-weight: 700; color: white; font-size: 20px;
  margin: 0 auto 16px;
}
.logo-sm { width: 36px; height: 36px; font-size: 14px; margin: 0; }
.login-card h1 { margin: 0 0 8px; font-size: 18px; }
.login-card p { margin: 0 0 20px; }
.login-card form { display: flex; gap: 8px; flex-direction: column; }
.login-card input, textarea, input[type=password], input[type=number], input[type=text] {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}
.login-card input:focus, textarea:focus, input:focus { outline: 1px solid var(--accent); }
.login-card button, button.primary {
  background: var(--accent);
  color: white;
  border: 0;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}
button.primary:hover { background: var(--accent-hover); }
button { background: var(--bg-card-hi); color: var(--fg); border: 1px solid var(--border); padding: 8px 14px; border-radius: 6px; cursor: pointer; font-family: inherit; font-size: 14px; }
button:hover { border-color: var(--accent); }
button.ghost { background: transparent; }
button.small { padding: 4px 10px; font-size: 12px; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.err { color: var(--err); margin: 8px 0 0; min-height: 18px; }

/* -- App -- */
#app { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.side {
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 20px 16px;
  display: flex; flex-direction: column;
}
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 28px; padding: 0 8px; }
.brand-name { font-weight: 700; font-size: 15px; }
.brand-sub { color: var(--fg-muted); font-size: 11px; }
.side nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.navbtn { text-align: left; background: transparent; border: 0; color: var(--fg-muted); padding: 10px 12px; border-radius: 6px; font-size: 13px; }
.navbtn:hover { background: var(--bg-card-hi); color: var(--fg); }
.navbtn.active { background: var(--bg-card-hi); color: var(--fg); border-left: 2px solid var(--accent); }
.side-foot { padding-top: 16px; border-top: 1px solid var(--border); }
.logout-btn { width: 100%; }

main { padding: 28px 36px; overflow-y: auto; max-height: 100vh; }
.tab { display: none; }
.tab.active { display: block; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 20px;
}
.card h2 { margin: 0 0 8px; font-size: 18px; }
.muted { color: var(--fg-muted); }
.muted.small, .small { font-size: 12px; }
code { background: var(--bg); padding: 2px 6px; border-radius: 4px; font-size: 12px; }

textarea { width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--fg); padding: 10px; border-radius: 6px; font-family: "SF Mono", monospace; font-size: 13px; resize: vertical; }

.lab { display: block; margin: 12px 0 6px; font-size: 12px; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.row { display: flex; gap: 12px; align-items: center; margin: 12px 0; flex-wrap: wrap; }
.row.tight { gap: 8px; margin: 6px 0; }
.row.spread { justify-content: space-between; align-items: center; margin-bottom: 16px; }
.checklab { display: flex; gap: 8px; align-items: center; cursor: pointer; }

.pill { display: inline-block; background: var(--bg-card-hi); padding: 3px 10px; border-radius: 99px; font-size: 11px; border: 1px solid var(--border); }
.pill.ok { background: rgba(74, 222, 128, 0.15); color: var(--ok); border-color: var(--ok); }
.pill.warn { background: rgba(251, 191, 36, 0.15); color: var(--warn); border-color: var(--warn); }
.pill.err { background: rgba(248, 113, 113, 0.15); color: var(--err); border-color: var(--err); }
.pill.run { background: rgba(108, 142, 255, 0.15); color: var(--accent); border-color: var(--accent); }

.terminal {
  background: #050709;
  color: #cfd2d8;
  font-family: "SF Mono", "Consolas", monospace;
  font-size: 12px;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  height: 60vh;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.terminal-line { margin: 0; padding: 2px 0; }
.terminal-line.info { color: #cfd2d8; }
.terminal-line.warn { color: var(--warn); }
.terminal-line.error { color: var(--err); }
.terminal-line.heading { color: var(--accent); font-weight: 600; margin-top: 8px; }
.terminal-line.success { color: var(--ok); }
.terminal-line.email-tag { color: #a55bff; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--fg-muted); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
tr:hover { background: var(--bg-card-hi); }

/* -- Filter diff grid -- */
.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}
.diff-panel {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}
.diff-panel h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
}
.diff-panel textarea {
  margin-top: 10px;
  font-size: 12px;
  background: var(--bg-card-hi);
}
.primary-ghost { border-color: var(--accent); color: var(--accent); }
.primary-ghost:hover { background: rgba(108, 142, 255, 0.1); }

input[type=text], input[type=number] {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}
input[type=text]:focus, input[type=number]:focus { outline: 1px solid var(--accent); }

#globalPassword { width: 280px; font-family: "SF Mono", monospace; }

@media (max-width: 900px) {
  .diff-grid { grid-template-columns: 1fr; }
}

/* Email split panel */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 16px 0 4px; }
.card-inner { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 14px; min-height: 160px; }
.card-inner h3 { margin: 0; font-size: 13px; font-weight: 600; }
.email-list { max-height: 260px; overflow-y: auto; margin-top: 10px; }
.email-row { display: flex; align-items: center; gap: 8px; padding: 4px 0; border-bottom: 1px dashed var(--border); }
.email-row:last-child { border-bottom: 0; }
.email-row code { background: transparent; padding: 0; font-size: 12px; }
.email-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.email-row.exist .email-dot { background: var(--ok); }
.email-row.fresh .email-dot { background: var(--warn); }

@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  #app { grid-template-columns: 1fr; }
  .side { flex-direction: row; padding: 12px; }
  .side nav { flex-direction: row; flex-wrap: wrap; }
}

.test-result { padding: 12px 14px; border-radius: 8px; margin: 12px 0 16px; border: 1px solid var(--border); background: var(--bg); }
.test-result.running { border-color: var(--accent); color: var(--fg-muted); }
.test-result.ok { border-color: var(--ok); background: rgba(74,222,128,0.06); }
.test-result.err { border-color: var(--err); background: rgba(248,113,113,0.06); }
.test-result code { background: var(--bg-card); padding: 2px 6px; border-radius: 4px; font-size: 11px; }

.banner { padding: 10px 14px; border-radius: 8px; margin: 4px 0 12px; border: 1px solid var(--border); display: flex; flex-direction: column; gap: 4px; }
.banner strong { font-size: 13px; }
.banner span { font-size: 12px; color: var(--fg-muted); }
.banner-direct { border-color: var(--accent); background: rgba(108,142,255,0.08); }
.banner-proxy { border-color: var(--warn); background: rgba(251,191,36,0.08); }
.banner-direct strong { color: var(--accent); }
.banner-proxy strong { color: var(--warn); }