:root {
  --accent: #15803d;
  --accent-hover: #166534;
  --accent-tint: #f0fdf4;
  --accent-tint-strong: #dcfce7;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --row-alt: #fafafa;
  --bg: #ffffff;
  --danger: #b91c1c;
  --danger-hover: #991b1b;
  --warn-bg: #fef3c7;
  --warn-border: #fde68a;
  --warn-text: #92400e;
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;
  --success-text: #065f46;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #f7f8fa;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 24px 64px;
}

/* Top nav */
.nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  padding: 14px 24px;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-brand {
  font-weight: 600;
  font-size: 16px;
  color: var(--accent);
  letter-spacing: -0.01em;
}
.nav-brand a { color: inherit; }
.nav-brand a:hover { text-decoration: none; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-user { color: var(--muted); font-size: 13px; }

/* Page header */
.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.page-header h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.page-header .subtitle {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}
.page-actions { display: flex; gap: 8px; align-items: center; }

/* Cards */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 20px;
}
.card h2 {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
  font-family: inherit;
}
.btn:hover { background: var(--accent-hover); text-decoration: none; }
.btn-secondary {
  background: #fff;
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { background: #f3f4f6; }
.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: var(--danger-hover); }
.btn-ghost {
  background: transparent;
  color: var(--accent);
  padding: 6px 10px;
}
.btn-ghost:hover { background: var(--accent-tint); text-decoration: none; }
.btn-sm { padding: 5px 10px; font-size: 13px; }

/* Forms */
.form-row { margin-bottom: 16px; }
.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}
.form-row .hint {
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="password"],
.form-row textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  color: var(--text);
  background: #fff;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.18);
}
.form-row .field-error {
  color: var(--danger);
  font-size: 12px;
  margin-top: 4px;
}
.form-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}

/* Alerts */
.alert {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
}
.alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}
.alert-warn {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn-text);
}
.alert-success {
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-text);
}

/* Tables */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
}
table.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table th, .table td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.table th {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: #fafafa;
}
.table tbody tr:nth-child(even) { background: var(--row-alt); }
.table tbody tr:last-child td { border-bottom: 0; }
.table .actions {
  white-space: nowrap;
  text-align: right;
}
.table .actions form {
  display: inline-block;
  margin: 0 0 0 4px;
}

.muted { color: var(--muted); font-size: 13px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 13px; }
.code-pill {
  display: inline-block;
  padding: 2px 6px;
  background: #f3f4f6;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.tab {
  padding: 9px 16px;
  border: none;
  background: transparent;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
}
.tab:hover { color: var(--text); text-decoration: none; }
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.tab-count {
  display: inline-block;
  margin-left: 6px;
  padding: 0 7px;
  font-size: 11px;
  font-weight: 600;
  background: #f3f4f6;
  color: var(--muted);
  border-radius: 999px;
  line-height: 18px;
}
.tab.active .tab-count { background: var(--accent-tint-strong); color: var(--accent); }

/* Pagination */
.pagination {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: flex-end;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}
.pagination a { color: var(--accent); }
.pagination .disabled { color: #cbd5e1; pointer-events: none; }

/* Detail view */
.detail-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}
.detail-grid .label {
  background: #fafafa;
  padding: 10px 14px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 13px;
}
.detail-grid .value {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  word-break: break-word;
}
.detail-grid > div:nth-last-child(-n+2) { border-bottom: 0; }
.detail-grid .value.long { white-space: pre-wrap; }

/* Login */
.login-shell {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 28px 24px;
}
.login-card h1 {
  margin: 0 0 4px;
  font-size: 20px;
  font-weight: 600;
}
.login-card .subtitle { color: var(--muted); font-size: 13px; margin-bottom: 18px; }

/* Status pill */
.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.pill-received { background: var(--success-bg); color: var(--success-text); border: 1px solid var(--success-border); }
.pill-spam { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }

/* Endpoint URL row */
.endpoint-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

@media (max-width: 700px) {
  .detail-grid { grid-template-columns: 1fr; }
  .detail-grid .label { border-bottom: 0; padding-bottom: 4px; }
  .detail-grid .value { padding-top: 4px; }
  .page-header { flex-direction: column; align-items: stretch; }
  .page-actions { justify-content: flex-start; }
}

/* "No recipients" inline badge */
.warn-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--warn-text);
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.warn-badge svg { color: var(--warn-text); }

/* Code blocks (embed page) */
.code-block {
  margin: 8px 0 16px;
  padding: 12px 14px;
  background: #0f172a;
  color: #f1f5f9;
  border-radius: 8px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.5;
}
.code-block code {
  background: transparent;
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  white-space: pre;
}

/* Keyword examples block */
.examples-block {
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: 6px;
}
.examples-block h3 {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.examples-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
}
.examples-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 14px;
}
.examples-list li:nth-child(odd) { background: var(--row-alt); }
.examples-list form { display: inline-block; margin: 0; }