:root {
  --bg: #f5f3ee;
  --card-bg: #ffffff;
  --ink: #2b2a27;
  --muted: #8a8578;
  --accent: #7a8b6f;
  --accent-off: #c9c4b8;
  --border: #e4e0d5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
}

header h1 { margin: 0; font-weight: 500; font-size: 1.4rem; }

.logout {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}
.logout:hover { color: var(--ink); }

.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  padding: 2rem;
}

.device-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.device-label { margin: 0; font-size: 1.1rem; font-weight: 500; }

.power-toggle {
  align-self: flex-start;
  border: none;
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  font-size: 0.9rem;
  cursor: pointer;
  background: var(--accent-off);
  color: var(--ink);
}
.power-toggle.on { background: var(--accent); color: white; }

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.temp-value { color: var(--ink); font-weight: 600; }

input[type="range"] { accent-color: var(--accent); }

select {
  padding: 0.4rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 0.9rem;
}

select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.power-toggle:disabled {
  opacity: 0.6;
  cursor: wait;
}

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  width: 260px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-card label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.login-card input {
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 1rem;
}

.login-card button {
  margin-top: 0.5rem;
  padding: 0.6rem;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  cursor: pointer;
}

.error { color: #b5504a; font-size: 0.85rem; margin: 0; }

.section-title {
  margin: 0;
  padding: 1.5rem 2rem 0;
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--muted);
}

.vacuum-actions,
.mower-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.vacuum-actions button,
.mower-actions button {
  border: none;
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  cursor: pointer;
  background: var(--accent-off);
  color: var(--ink);
}

.vacuum-actions button:hover,
.mower-actions button:hover { background: var(--accent); color: white; }

.vacuum-actions button:disabled,
.mower-actions button:disabled {
  opacity: 0.6;
  cursor: wait;
}