:root {
  color-scheme: light;
  --ink: #17212b;
  --muted: #52606d;
  --panel: #ffffff;
  --line: #d7dee7;
  --accent: #1769aa;
  --accent-dark: #0f4f82;
  --bg: #f4f7fa;
  --ok: #1f7a4d;
  --warn: #8a5b00;
  --error: #a12b2b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 26px 0 34px;
}

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

.brand {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
}

.brand img {
  width: 84px;
  height: 84px;
  object-fit: contain;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  font-size: 30px;
  line-height: 1.12;
}

h2 {
  font-size: 18px;
}

button,
.actions a {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 15px;
  text-decoration: none;
  font-size: 14px;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  min-width: 130px;
}

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

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

.messages {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.message {
  border-radius: 6px;
  padding: 11px 13px;
  background: #fff;
  border: 1px solid var(--line);
}

.message.success {
  border-color: rgba(31, 122, 77, .35);
  color: var(--ok);
}

.message.warning {
  border-color: rgba(138, 91, 0, .35);
  color: var(--warn);
}

.message.error {
  border-color: rgba(161, 43, 43, .35);
  color: var(--error);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.status-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.status-card {
  padding: 13px 14px;
}

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

.status-card strong {
  font-size: 17px;
}

.workarea {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 16px;
}

.panel {
  padding: 18px;
}

.panel label {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
}

.field-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 76px;
  gap: 10px;
}

input[type="file"],
input[type="text"],
input[type="url"],
input[type="color"] {
  width: 100%;
  padding: 10px;
  border: 1px dashed #b9c4d1;
  border-radius: 6px;
  background: #f8fafc;
  color: var(--ink);
  font: inherit;
}

input[type="color"] {
  height: 42px;
  padding: 5px;
}

.panel button {
  width: 100%;
  margin-top: 18px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  margin: 14px 0 0;
}

.map-panel {
  grid-column: 1 / -1;
  min-height: 640px;
  padding: 0;
  overflow: hidden;
}

.panel-head {
  min-height: 58px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

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

iframe {
  width: 100%;
  height: 720px;
  border: 0;
  display: block;
}

.empty {
  min-height: 580px;
  display: grid;
  place-items: center;
  color: var(--muted);
  padding: 24px;
  text-align: center;
}

@media (max-width: 860px) {
  .topbar,
  .panel-head {
    align-items: stretch;
    flex-direction: column;
  }

  .brand {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .brand img {
    width: 64px;
    height: 64px;
  }

  .status-grid,
  .workarea {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 25px;
  }

  iframe {
    height: 620px;
  }
}