:root {
  --ink: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f9fafb;
}

* {
  box-sizing: border-box;
  margin: 0;
}

body {
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
}

a {
  color: inherit;
}

.muted {
  color: var(--muted);
}
.small {
  font-size: 12px;
}
.inline {
  display: inline;
}

/* ------------------------------------------------------------------ topbar */

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.topbar-inner,
.tabs,
.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  font-weight: 600;
  text-decoration: none;
}

.tabs {
  display: flex;
  gap: 4px;
  padding-bottom: 0;
}

.tab {
  padding: 8px 12px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border-radius: 8px 8px 0 0;
}

.tab:hover {
  background: var(--bg);
  color: var(--ink);
}

.tab.active {
  color: var(--ink);
  font-weight: 500;
  box-shadow: inset 0 -2px 0 var(--ink);
}

/* -------------------------------------------------------------------- page */

.page {
  padding-top: 28px;
  padding-bottom: 60px;
}

.page.narrow {
  max-width: 520px;
}

h1 {
  font-size: 22px;
  font-weight: 600;
}

h2 {
  font-size: 15px;
  font-weight: 600;
}

h3 {
  font-size: 14px;
  font-weight: 600;
}

.subtitle {
  color: var(--muted);
  margin-top: 4px;
  margin-bottom: 20px;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 16px 0;
}

/* ------------------------------------------------------------------- forms */

label.field {
  display: block;
  margin-bottom: 14px;
}

label.field > span {
  display: block;
  font-weight: 500;
  margin-bottom: 5px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="number"],
input[type="file"],
select,
textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  background: #fff;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgb(17 24 39 / 8%);
}

.hint {
  color: var(--muted);
  font-size: 12px;
  margin-top: 5px;
}

.row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.checkline {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.checkline input {
  width: auto;
}

button,
.btn {
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  text-decoration: none;
  display: inline-block;
}

.primary {
  background: var(--ink);
  color: #fff;
}
.primary:hover {
  background: #374151;
}

.secondary {
  background: #fff;
  border-color: #d1d5db;
  color: var(--ink);
}
.secondary:hover {
  background: var(--bg);
}

.danger {
  background: #fff;
  border-color: #fecaca;
  color: #991b1b;
}
.danger:hover {
  background: #fef2f2;
}

.linkbtn {
  border: 0;
  background: none;
  padding: 0;
  color: var(--muted);
  text-decoration: underline;
  font-size: 12px;
}

/* ------------------------------------------------------------------- boxes */

.box {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
}

.box.error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}
.box.ok {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}
.box.warn {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}

/* ------------------------------------------------------------------ badges */

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  border: 1px solid;
  white-space: nowrap;
}

.badge.sent {
  background: #ecfdf5;
  border-color: #a7f3d0;
  color: #065f46;
}
.badge.draft {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1e40af;
}
.badge.failed {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}
.badge.neutral {
  background: #f3f4f6;
  border-color: var(--line);
  color: var(--muted);
}
.badge.limited {
  background: #fffbeb;
  border-color: #fde68a;
  color: #92400e;
}

/* ------------------------------------------------------------------- lists */

.checklist {
  list-style: none;
  padding: 0;
  margin-top: 12px;
}

.checklist li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}

.tick {
  color: #059669;
}
.untick {
  color: #9ca3af;
}

.rows {
  margin-top: 12px;
}

.rows .rowitem {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid #f3f4f6;
}

.rows .rowitem:first-child {
  border-top: 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.facts dt {
  font-size: 11px;
  color: var(--muted);
}

.facts dd {
  margin: 2px 0 0;
}

.filters {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}

.filters a {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 13px;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--muted);
}

.filters a.active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.emailbody {
  background: var(--bg);
  border-radius: 8px;
  padding: 14px;
  margin-top: 12px;
  white-space: pre-wrap;
  font-family: inherit;
  font-size: 13px;
}

details summary {
  cursor: pointer;
  font-size: 12px;
  color: var(--muted);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
  font-size: 12px;
  color: var(--muted);
}

.track {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 12px;
  font-size: 12px;
}

.track .yes {
  color: #047857;
}
.track .no {
  color: #9ca3af;
}
.track .maybe {
  color: #b45309;
}

code {
  background: #f3f4f6;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
}