:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --text: #18212f;
  --muted: #657184;
  --line: #d9e0e8;
  --accent: #1f7a5c;
  --accent-dark: #176247;
  --danger: #b42318;
  --warn: #8a5a00;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans SC", sans-serif;
}

.shell {
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

h1 {
  margin: 0 0 6px;
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: 0;
}

.subtle {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.stat {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fbfcfd;
}

.stat b {
  display: block;
  font-size: 22px;
  line-height: 1.2;
}

.stat span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

.field label {
  font-size: 14px;
  font-weight: 650;
}

input,
textarea {
  width: 100%;
  border: 1px solid #c8d2df;
  border-radius: 7px;
  padding: 11px 12px;
  color: var(--text);
  background: #fff;
  font: inherit;
}

textarea {
  min-height: 92px;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 3px solid rgba(31, 122, 92, 0.16);
  border-color: var(--accent);
}

.actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

button,
.logout {
  border: 0;
  border-radius: 7px;
  padding: 10px 14px;
  color: #fff;
  background: var(--accent);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}

button:hover,
.logout:hover {
  background: var(--accent-dark);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.message {
  min-height: 22px;
  font-size: 14px;
  color: var(--muted);
}

.message.ok {
  color: var(--accent-dark);
}

.message.error {
  color: var(--danger);
}

.records {
  display: grid;
  gap: 10px;
}

.record {
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.record:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.record b {
  display: block;
  font-size: 14px;
}

.record span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.login {
  width: min(420px, calc(100vw - 32px));
  margin: 12vh auto 0;
}

.login .panel {
  padding: 22px;
}

.setup-error {
  color: var(--danger);
  font-size: 14px;
  line-height: 1.6;
}

@media (max-width: 820px) {
  .grid,
  .stats {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
  }
}