:root {
  --bg: #f2efe8;
  --surface: #fffdfa;
  --surface-alt: #f7f3eb;
  --border: #d9cdb7;
  --text: #2d251c;
  --muted: #6b604f;
  --primary: #2f6a53;
  --primary-dark: #204b3a;
  --danger: #8d3c32;
  --shadow: 0 18px 50px rgba(54, 42, 28, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(47, 106, 83, 0.18), transparent 32%),
    linear-gradient(180deg, #f7f3eb 0%, #ece5d7 100%);
  color: var(--text);
}

a {
  color: inherit;
}

.page-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

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

.topbar h1,
.section-heading h2,
.device-card h3,
.list-row h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  color: var(--primary-dark);
}

.topbar-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

.ghost-link {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.ghost-link:hover {
  border-color: currentColor;
}

.messages {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.message {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--border);
}

.message.success {
  border-color: rgba(47, 106, 83, 0.45);
}

.message.error {
  border-color: rgba(141, 60, 50, 0.45);
}

.card {
  background: rgba(255, 253, 250, 0.9);
  border: 1px solid rgba(217, 205, 183, 0.9);
  border-radius: 26px;
  padding: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.auth-card {
  max-width: 720px;
  margin: 0 auto;
}

.section-heading {
  margin-bottom: 20px;
}

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

.form-grid,
.compact-form {
  display: grid;
  gap: 16px;
}

.field,
.checkbox-row {
  display: grid;
  gap: 8px;
}

.checkbox-row {
  grid-template-columns: auto 1fr;
  align-items: center;
}

input,
select,
textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  padding: 13px 14px;
  font: inherit;
  color: var(--text);
}

input[type="checkbox"] {
  width: 18px;
  height: 18px;
}

.primary-button,
.secondary-button,
.danger-link {
  border: 0;
  border-radius: 16px;
  padding: 14px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}

.primary-button {
  background: linear-gradient(135deg, var(--primary) 0%, #3d8b6c 100%);
  color: white;
}

.secondary-button {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text);
}

.danger-link {
  background: rgba(141, 60, 50, 0.08);
  color: var(--danger);
}

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

.dashboard-grid {
  display: grid;
  gap: 24px;
}

.profile-card {
  background: linear-gradient(135deg, rgba(47, 106, 83, 0.1), rgba(255, 255, 255, 0.92));
}

.profile-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin: 0;
}

.profile-list div {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(217, 205, 183, 0.75);
}

.profile-list dt {
  margin-bottom: 8px;
  color: var(--muted);
}

.profile-list dd {
  margin: 0;
  font-weight: 700;
}

.device-grid {
  margin-top: 22px;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.device-card,
.list-row {
  display: grid;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border-radius: 20px;
  background: rgba(247, 243, 235, 0.75);
  border: 1px solid rgba(217, 205, 183, 0.9);
}

.device-card img {
  width: 140px;
  height: 140px;
  border-radius: 18px;
  background: white;
  padding: 8px;
}

.device-list {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}

@media (max-width: 720px) {
  .page-shell {
    padding: 18px 14px 40px;
  }

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

  .device-card img {
    width: 120px;
    height: 120px;
  }
}