:root {
  color-scheme: light;
  --bg: #f6f7f8;
  --panel: #ffffff;
  --text: #182026;
  --muted: #66717c;
  --line: #d9dee3;
  --line-strong: #c2c9d0;
  --accent: #0b6bcb;
  --accent-dark: #084f96;
  --ok: #136f3a;
  --warn: #8a5a00;
  --bad: #a12929;
  --neutral: #59636d;
  --focus: #1d7ed6;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

.record-id { display: block; overflow-wrap: anywhere; font-size: 12px; color: var(--muted); }
.support-form { display: grid; gap: 14px; max-width: 700px; }
.support-form label { display: grid; gap: 5px; font-size: 14px; }
.support-form button { justify-self: start; }
.support-form .checkbox-label { display: flex; align-items: center; gap: 8px; }
.checkbox-label input { width: 16px; height: 16px; }
.toolbar.support-filters { display: grid; grid-template-columns: minmax(160px, 1fr) 180px auto; }
.support-meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px 24px; padding: 20px 0; border-block: 1px solid var(--line); }
.support-meta dt { color: var(--muted); font-size: 12px; }
.support-meta dd { margin: 4px 0 0; overflow-wrap: anywhere; }
.support-message { padding: 18px 0; border-bottom: 1px solid var(--line); }
.support-message header { display: flex; gap: 16px; align-items: center; }
.support-message time { color: var(--muted); font-size: 12px; }
.support-message.internal-note { border-left: 3px solid #c7992d; padding-left: 14px; background: #fff9e9; }
.message-text { white-space: pre-wrap; overflow-wrap: anywhere; margin: 10px 0; }
.support-conversation { margin-bottom: 24px; }
.support-events { padding-left: 20px; color: var(--muted); overflow-wrap: anywhere; }
.support-related { display: flex; flex-wrap: wrap; gap: 18px; margin: 18px 0; }
.login-main { max-width: 440px; margin: 80px auto; padding: 24px; }
.detail-grid { display: grid; grid-template-columns: minmax(140px, 220px) minmax(0, 1fr); margin: 0; border-top: 1px solid var(--line); }
.detail-grid dt, .detail-grid dd { margin: 0; padding: 10px 12px; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.detail-grid dt { color: var(--muted); background: #eef1f4; }
.operations-section { margin-block: 24px; }
.operations-identity { overflow-wrap: anywhere; color: var(--muted); font-size: 13px; }
.summary-grid.operations-summary { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-block: 18px; }
.operations-technical { margin: 24px 0; border-block: 1px solid var(--line); }
.operations-technical summary { padding: 14px 0; cursor: pointer; font-weight: 600; }
.operations-search { width: 100%; }
.operations-search input { flex: 1 1 50%; }
.operations-search select { flex: 0 1 180px; }
.main h1 { overflow-wrap: anywhere; }
@media (max-width: 600px) {
  .toolbar.support-filters { grid-template-columns: minmax(0, 1fr) 110px; }
  .support-filters button { grid-column: 1 / -1; }
  .support-meta { grid-template-columns: minmax(0, 1fr); }
  .topbar { flex-wrap: wrap; padding-block: 12px; }
  .nav { flex-wrap: wrap; }
  .detail-grid { grid-template-columns: minmax(110px, 34%) minmax(0, 1fr); font-size: 13px; }
  .operations-search { flex-wrap: wrap; }
  .operations-search input { flex-basis: 100%; }
  .operations-search select { flex: 1; }
  .summary-grid.operations-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}

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

a:hover {
  text-decoration: underline;
}

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

button,
.primary,
.pagination a {
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  padding: 8px 12px;
  cursor: pointer;
}

button:hover,
.pagination a:hover {
  border-color: var(--accent);
}

button:disabled {
  cursor: wait;
  opacity: .65;
}

.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  padding: 9px 10px;
}

textarea {
  resize: vertical;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 35%, transparent);
  outline-offset: 2px;
}

.shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 56px;
  padding: 0 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--text);
  font-weight: 700;
}

.nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.link-button {
  min-height: 32px;
  border: 0;
  background: transparent;
  color: var(--accent);
  padding: 4px 0;
}

.main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 24px 48px;
}

h1 {
  margin: 0 0 20px;
  font-size: 26px;
  line-height: 1.25;
}

h2 {
  margin: 30px 0 12px;
  font-size: 18px;
}

.muted,
.hint {
  color: var(--muted);
}

.toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.search {
  display: flex;
  width: min(560px, 100%);
  gap: 8px;
}

.search input,
.search select {
  min-width: 0;
}

.search button {
  flex: 0 0 auto;
  white-space: nowrap;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--panel);
}

.data-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

.data-table th {
  background: #eef1f4;
  color: #2c343b;
  font-size: 13px;
  font-weight: 700;
}

.data-table tr:last-child td {
  border-bottom: 0;
}

.num {
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.empty {
  color: var(--muted);
  text-align: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.chip-ok {
  background: #e7f4ec;
  color: var(--ok);
}

.chip-warn {
  background: #fff4db;
  color: var(--warn);
}

.chip-bad {
  background: #fae8e8;
  color: var(--bad);
}

.chip-neutral {
  background: #edf0f2;
  color: var(--neutral);
}

.pagination {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.pagination span {
  color: var(--muted);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
}

.summary-grid > div {
  min-width: 0;
  background: var(--panel);
  padding: 12px;
}

.summary-wide {
  grid-column: 1 / -1;
}

.task-id {
  font-family: ui-monospace, monospace;
  font-size: 12px;
}

.summary-grid strong {
  display: block;
  overflow-wrap: anywhere;
}

.label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 13px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.billing-panel {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}

.billing-panel h2,
.credit-form h3 {
  margin-top: 0;
}

.credit-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 12px;
}

.credit-form {
  display: grid;
  align-content: start;
  gap: 8px;
  min-width: 0;
  padding: 0;
}

.credit-form h3 {
  margin-bottom: 2px;
  font-size: 16px;
}

.credit-form label {
  color: #2c343b;
  font-weight: 700;
}

.task-summary {
  margin-bottom: 14px;
}

.actions [data-danger="true"] {
  border-color: #e0a6a6;
  color: var(--bad);
}

.reason-box,
.login-panel,
.account-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 18px;
}

.reason-box {
  margin: 0 0 18px;
}

.task-release-box {
  margin-top: 16px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.form-status {
  min-height: 24px;
  margin: 10px 0 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.form-status.error {
  color: var(--bad);
}

.form-status.success {
  color: var(--ok);
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  max-width: min(420px, calc(100vw - 32px));
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--panel);
  box-shadow: 0 8px 28px rgba(16, 24, 32, .14);
  padding: 10px 12px;
  overflow-wrap: anywhere;
}

.login-screen,
.account-screen {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 20px;
}

.login-panel,
.account-panel {
  width: min(440px, 100%);
}

.form {
  display: grid;
  gap: 9px;
}

.form label {
  color: #2c343b;
  font-weight: 700;
}

.account-action {
  margin-top: 16px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

@media (max-width: 720px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px 16px;
  }

  .main {
    padding: 22px 14px 38px;
  }

  h1 {
    font-size: 22px;
  }

  .search,
  .pagination {
    align-items: stretch;
    flex-direction: column;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .credit-actions {
    grid-template-columns: 1fr;
  }

  .actions button,
  .button-row button {
    width: 100%;
  }
}