*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #1a1a1a;
  background: #f8f9fa;
  line-height: 1.6;
}

/* ─── Header ─── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
}

.logo { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.5px; }
.account-badge { font-size: 0.75rem; color: #666; background: #f3f4f6; padding: 0.2rem 0.6rem; border-radius: 12px; }

/* ─── Hero (landing page) ─── */
.hero {
  max-width: 760px;
  margin: 6rem auto;
  padding: 0 2rem;
  text-align: center;
}
.hero h1 { font-size: 2.75rem; font-weight: 800; line-height: 1.15; margin-bottom: 1.25rem; }
.hero p { font-size: 1.15rem; color: #555; margin-bottom: 2rem; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto 6rem;
  padding: 0 2rem;
}
.feature h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
.feature p { color: #555; font-size: 0.95rem; }

/* ─── Buttons ─── */
.btn-primary {
  display: inline-block;
  background: #1a1a1a;
  color: #fff;
  padding: 0.55rem 1.25rem;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-primary:hover { background: #333; }
.btn-large { padding: 0.85rem 2rem; font-size: 1.05rem; }

/* ─── Dashboard layout ─── */
.dashboard {
  max-width: 700px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.dash-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.dash-header h2 { font-size: 1.3rem; font-weight: 700; }
.subtitle { color: #999; font-size: 0.85rem; }

/* ─── Toolbar ─── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.toolbar-search {
  flex: 1;
  min-width: 160px;
  padding: 0.45rem 0.75rem;
  border: 1px solid #d0d0d0;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: inherit;
  background: #fff;
}
.toolbar-search:focus { outline: none; border-color: #999; }

.toolbar-filters { display: flex; gap: 2px; }

.filter-btn {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  border: 1px solid #d0d0d0;
  background: #fff;
  cursor: pointer;
  color: #666;
  transition: all 0.15s;
}
.filter-btn:first-child { border-radius: 6px 0 0 6px; }
.filter-btn:last-child { border-radius: 0 6px 6px 0; }
.filter-btn--active { background: #1a1a1a; color: #fff; border-color: #1a1a1a; }

.toolbar-sort {
  padding: 0.4rem 0.5rem;
  border: 1px solid #d0d0d0;
  border-radius: 6px;
  font-size: 0.8rem;
  font-family: inherit;
  background: #fff;
  cursor: pointer;
}

.no-results { text-align: center; color: #999; padding: 2rem; font-size: 0.9rem; }

/* ─── Cards ─── */
.card {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  background: #fff;
  transition: box-shadow 0.15s;
}
.card:hover { box-shadow: 0 1px 4px rgba(0,0,0,0.06); }
.card--open { box-shadow: 0 2px 8px rgba(0,0,0,0.08); border-color: #ccc; }
.card--disabled { opacity: 0.55; }
.card--disabled:hover { opacity: 0.7; }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  cursor: pointer;
  user-select: none;
}

.card-header-left { display: flex; align-items: center; gap: 0.5rem; }
.card-header-right { display: flex; align-items: center; gap: 0.6rem; }

.card-name { font-size: 0.95rem; font-weight: 600; }
.card-city { font-size: 0.85rem; color: #999; }
.card-id { font-size: 0.7rem; color: #aaa; background: #f3f4f6; padding: 0.1rem 0.4rem; border-radius: 3px; font-family: monospace; }
.card-badge { font-size: 0.7rem; color: #166534; background: #dcfce7; padding: 0.15rem 0.5rem; border-radius: 10px; font-weight: 500; }
.card-badge--off { color: #9ca3af; background: #f3f4f6; }
.card-chevron { font-size: 0.65rem; color: #999; width: 16px; text-align: center; }

.status-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.status-dot--on { background: #22c55e; }
.status-dot--off { background: #d1d5db; }

/* ─── Card body (form) ─── */
.card-body {
  padding: 0 1rem 1rem;
  border-top: 1px solid #f0f0f0;
}

fieldset {
  border: none;
  padding: 0;
  margin: 1rem 0 0;
}
fieldset legend {
  font-size: 0.8rem;
  font-weight: 600;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid #f0f0f0;
  width: 100%;
}

form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  margin-top: 0.75rem;
  color: #333;
}

.hint-inline { font-weight: 400; color: #999; font-size: 0.8rem; }

form input[type="text"],
form textarea,
form select {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid #d0d0d0;
  border-radius: 5px;
  font-size: 0.88rem;
  font-family: inherit;
  background: #fff;
}
form input[type="text"]:focus,
form textarea:focus,
form select:focus { outline: none; border-color: #888; }

form input[type="file"] { font-size: 0.82rem; margin-top: 0.2rem; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }

.color-row { display: flex; align-items: center; gap: 0.6rem; }
.color-row input[type="color"] { width: 40px; height: 32px; border: 1px solid #d0d0d0; border-radius: 5px; padding: 2px; cursor: pointer; }
.color-hex { font-size: 0.82rem; color: #666; font-family: monospace; }

.logo-preview { margin: 0.4rem 0; display: flex; align-items: center; gap: 0.6rem; }
.logo-preview img { max-height: 40px; max-width: 180px; border: 1px solid #eee; border-radius: 4px; padding: 3px; }
.hint { font-size: 0.75rem; color: #aaa; }

.form-row { display: flex; justify-content: space-between; align-items: center; }

.toggle-label { display: flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; cursor: pointer; }
.toggle-label input[type="checkbox"] { width: 15px; height: 15px; cursor: pointer; }

/* ─── Banners ─── */
.success-banner {
  padding: 0.65rem 1rem;
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: 6px;
  color: #166534;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.error-banner {
  max-width: 600px;
  margin: 2rem auto;
  padding: 1.25rem 1.5rem;
  background: #fef2f2;
  border: 1px solid #fca5a5;
  border-radius: 8px;
  text-align: center;
}
.error-banner h2 { font-size: 1.1rem; font-weight: 700; color: #dc2626; margin-bottom: 0.4rem; }
.error-banner p { color: #555; font-size: 0.9rem; margin-bottom: 0.75rem; }

footer {
  text-align: center;
  padding: 2rem;
  color: #999;
  font-size: 0.85rem;
  border-top: 1px solid #e5e5e5;
}

/* ─── Iframe mode ─── */
body.iframe-mode { background: #fff; }
body.iframe-mode .dashboard { margin-top: 1rem; }