:root {
  --bg: #eef2e8;
  --panel: #ffffff;
  --line: #d7dfd0;
  --text: #172117;
  --muted: #5e6b5e;
  --accent: #1c6b3c;
  --accent-dark: #12482a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", Helvetica, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(28, 107, 60, 0.18), transparent 28%),
    linear-gradient(180deg, #f8faf6 0%, var(--bg) 100%);
  color: var(--text);
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px 1fr;
}

.sidebar {
  background: #163120;
  color: #edf5ed;
  padding: 32px 20px;
}

.brand {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.nav-item {
  width: 100%;
  border: 0;
  border-radius: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.08);
  color: inherit;
  text-align: left;
  font-size: 15px;
  cursor: pointer;
}

.nav-item.active {
  background: #f2f7f0;
  color: #163120;
}

.content {
  padding: 40px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: 34px;
}

.site-link {
  color: var(--accent-dark);
  text-decoration: none;
  font-weight: 700;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 28px;
  max-width: 720px;
  box-shadow: 0 24px 80px rgba(22, 49, 32, 0.08);
}

.wide-card {
  max-width: 980px;
}

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

.subtabs {
  display: flex;
  gap: 10px;
}

.subtab-item {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 16px;
  background: #fbfdf9;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.subtab-item.active {
  background: #163120;
  border-color: #163120;
  color: #fff;
}

.subtab-panel {
  display: none;
  gap: 14px;
}

.subtab-panel.active {
  display: grid;
}

label {
  font-size: 14px;
  font-weight: 700;
}

input[type="text"],
input[type="file"],
input[type="email"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fbfdf9;
  font-size: 15px;
  color: var(--text);
  appearance: none;
}

textarea {
  min-height: 96px;
  resize: vertical;
}

.editor-block {
  display: grid;
  gap: 14px;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.editor-block h2 {
  margin: 0;
  font-size: 18px;
}

.preview-block {
  display: grid;
  gap: 12px;
  margin-top: 8px;
  color: var(--muted);
}

#logo-preview {
  max-width: 220px;
  max-height: 90px;
  border-radius: 12px;
  background: #f6f8f3;
  border: 1px dashed var(--line);
  padding: 12px;
}

button[type="submit"] {
  border: 0;
  border-radius: 14px;
  padding: 16px 18px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.secondary-button {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  background: #fbfdf9;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.feedback {
  min-height: 20px;
  margin: 0;
  color: var(--muted);
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fbfdf9;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 110px;
  padding: 8px 12px;
  border-radius: 999px;
  background: #eef2e8;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.status-badge.connected {
  background: #e0f2e7;
  color: #166534;
}

.empty-state {
  color: var(--muted);
  font-size: 15px;
}

.accounts-list {
  display: grid;
  gap: 16px;
}

.account-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  background: #fbfdf9;
}

.account-id {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.account-title {
  font-size: 20px;
  margin-bottom: 14px;
}

.account-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px 18px;
}

.account-field strong {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 4px;
}

.account-field span {
  display: block;
  line-height: 1.4;
}

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    padding-bottom: 20px;
  }

  .content {
    padding: 20px;
  }

  .header {
    align-items: flex-start;
    flex-direction: column;
  }
}