body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #111;
  background: #f6f6f6;
}

a {
  color: #0645ad;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: #fff;
  border-bottom: 1px solid #ddd;
}

.dashboard-title {
  font-weight: 700;
  text-decoration: none;
  color: #111;
}

.dashboard-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.login-form,
.ticket-filters,
.reply-form,
.status-form {
  display: grid;
  gap: 12px;
}

.login-form {
  width: min(420px, calc(100vw - 32px));
  padding: 20px;
  background: #fff;
  border: 1px solid #ddd;
}

.ticket-filters {
  grid-template-columns: 180px minmax(180px, 1fr) auto;
  align-items: end;
  margin-bottom: 20px;
}

label {
  display: grid;
  gap: 6px;
}

input,
select,
textarea {
  box-sizing: border-box;
  width: 100%;
  padding: 8px;
  border: 1px solid #bbb;
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  padding: 10px;
  border: 1px solid #ddd;
  text-align: left;
  vertical-align: top;
}

.is-unread {
  font-weight: 700;
  background: #fffbe6;
}

.ticket-meta {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 8px 16px;
  background: #fff;
  padding: 16px;
  border: 1px solid #ddd;
}

.ticket-meta dt {
  font-weight: 700;
}

.ticket-meta dd {
  margin: 0;
}

.ticket-thread {
  margin-top: 24px;
}

.thread-entry {
  margin: 12px 0;
  padding: 12px;
  background: #fff;
  border: 1px solid #ddd;
}

.thread-entry-vendor {
  border-left: 4px solid #0645ad;
}

.thread-entry-buyer {
  border-left: 4px solid #2e7d32;
}

.thread-entry header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  font-family: inherit;
}

.ticket-actions {
  margin-top: 24px;
}

.form-error {
  color: #9f1d1d;
  font-weight: 700;
}

@media (max-width: 760px) {
  .ticket-filters {
    grid-template-columns: 1fr;
  }

  .ticket-table {
    display: block;
    overflow-x: auto;
  }

  .ticket-meta {
    grid-template-columns: 1fr;
  }
}