:root {
  --ink: #1b2027;
  --ink-soft: #565f6b;
  --paper: #f3f2ee;
  --panel: #ffffff;
  --line: #dcdad2;
  --teal: #0e6b5c;
  --teal-dark: #0a4f44;
  --amber: #b8860b;
  --error: #b3261e;
  --radius: 8px;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

.shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

header.top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

header.top .brand {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-dark);
  font-weight: 600;
}

header.top nav a {
  font-size: 13px;
  color: var(--ink-soft);
  text-decoration: none;
  margin-left: 16px;
}
header.top nav a:hover { color: var(--ink); }

h1 {
  font-size: 22px;
  font-weight: 650;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}

.sub {
  color: var(--ink-soft);
  font-size: 14px;
  margin: 0 0 24px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }

label {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-family: inherit;
}

textarea { resize: vertical; }

input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
  border-color: var(--teal);
}

.row { display: flex; gap: 12px; }
.row > * { flex: 1; }

button {
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid transparent;
  padding: 10px 18px;
  cursor: pointer;
}

.btn-primary {
  background: var(--teal);
  color: #fff;
}
.btn-primary:hover { background: var(--teal-dark); }
.btn-primary:disabled { background: #9db8b3; cursor: not-allowed; }

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--ink-soft); }

.btn-danger {
  background: transparent;
  border-color: var(--error);
  color: var(--error);
}

.actions { display: flex; gap: 10px; margin-top: 6px; }

.status {
  font-size: 13px;
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  display: none;
}
.status.show { display: block; }
.status.ok { background: #e7f3ef; color: var(--teal-dark); }
.status.err { background: #fbeceb; color: var(--error); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-soft); }
.badge.on { border-color: var(--teal); color: var(--teal-dark); }
.badge.on .dot { background: var(--teal); }
.badge.off { border-color: var(--error); color: var(--error); }
.badge.off .dot { background: var(--error); }

.divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 20px 0;
}

.section-title {
  font-size: 13px;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

.hint {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 6px;
}

.email-preview {
  background: #fbfaf7;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px;
  white-space: pre-wrap;
  font-size: 14px;
}

.login-wrap {
  max-width: 360px;
  margin: 18vh auto 0;
  padding: 0 20px;
}

/* ---------- stats cards ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.stat-card .num {
  font-size: 26px;
  font-weight: 700;
  color: var(--teal-dark);
  line-height: 1.1;
}
.stat-card .label {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin-top: 4px;
}

/* ---------- table ---------- */
table.history {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
table.history th {
  text-align: left;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}
table.history td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.history tr:last-child td { border-bottom: none; }
table.history td.muted { color: var(--ink-soft); }

.pill {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.pill.sent { border-color: var(--teal); color: var(--teal-dark); }
.pill.failed { border-color: var(--error); color: var(--error); }

.empty-state {
  text-align: center;
  color: var(--ink-soft);
  font-size: 14px;
  padding: 30px 10px;
}

/* ---------- confirm modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(27, 32, 39, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--panel);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  max-width: 480px;
  width: 100%;
  padding: 22px;
}
.modal h2 {
  font-size: 17px;
  margin: 0 0 12px;
}
.modal .modal-row {
  font-size: 14px;
  margin-bottom: 6px;
}
.modal .modal-row .k {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 2px;
}
.modal .warn {
  background: #fdf3e3;
  border: 1px solid #e8c77a;
  color: #7a5b06;
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 13px;
  margin: 12px 0;
}
.modal .actions { margin-top: 18px; }

.inline-warn {
  font-size: 12.5px;
  color: #7a5b06;
  background: #fdf3e3;
  border: 1px solid #e8c77a;
  border-radius: 6px;
  padding: 8px 10px;
  margin-top: 8px;
  display: none;
}
.inline-warn.show { display: block; }

details.extract-box summary {
  cursor: pointer;
  font-size: 13px;
  color: var(--teal-dark);
  font-weight: 600;
  margin-bottom: 10px;
}