/* HomeControl — modern, mobile-first, dark by default */
:root {
  color-scheme: dark light;

  --bg: #0b0e14;
  --bg-elev: #131722;
  --bg-card: #1a1f2e;
  --bg-card-hover: #222838;
  --border: #252b3d;
  --text: #e8ecf3;
  --text-dim: #8a92a8;
  --text-muted: #5a6378;

  --accent: #6c8eff;
  --accent-bright: #8aa5ff;
  --accent-soft: rgba(108, 142, 255, 0.18);
  --accent-glow: rgba(108, 142, 255, 0.45);

  --on: #ffd166;
  --on-glow: rgba(255, 209, 102, 0.5);
  --off: #5a6378;

  --warn: #ff7a7a;
  --warn-soft: rgba(255, 122, 122, 0.18);
  --good: #6dd6a4;

  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;

  --shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
  --shadow-soft: 0 2px 10px rgba(0, 0, 0, 0.25);

  --tap: 0.96;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6fb;
    --bg-elev: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f3fa;
    --border: #e2e6ef;
    --text: #1c2030;
    --text-dim: #4d5773;
    --text-muted: #8a92a8;
    --shadow: 0 4px 18px rgba(15, 25, 60, 0.08);
    --shadow-soft: 0 2px 8px rgba(15, 25, 60, 0.06);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: contain;
}

button { font-family: inherit; }
input, button, select, textarea { font: inherit; color: inherit; }

a { color: var(--accent-bright); text-decoration: none; }

/* ---------- App shell ---------- */
.app {
  min-height: 100dvh;
  padding: 16px 16px calc(96px + env(safe-area-inset-bottom)) 16px;
  max-width: 1100px;
  margin: 0 auto;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 4px 18px;
}
.header h1 {
  font-size: 28px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}
.header .greeting {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 2px;
}
.icon-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform 0.1s ease, background 0.15s ease;
}
.icon-btn:active { transform: scale(var(--tap)); background: var(--bg-card-hover); }
.icon-btn svg { width: 22px; height: 22px; fill: currentColor; opacity: 0.8; }

/* ---------- Status strip ---------- */
.status-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}
.status-pill {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-dim);
}
.status-pill .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--good);
}
.status-pill.warn .dot { background: var(--warn); }
.status-pill .num { font-size: 18px; font-weight: 600; color: var(--text); margin-right: 4px; }

/* ---------- Room tabs ---------- */
.room-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0 16px;
  scrollbar-width: none;
}
.room-tabs::-webkit-scrollbar { display: none; }
.room-tab {
  flex: 0 0 auto;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.room-tab:active { transform: scale(var(--tap)); }
.room-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* ---------- Card grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (min-width: 600px) { .grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .grid { grid-template-columns: repeat(4, 1fr); } }

.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  transition: transform 0.1s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}
.card:active { transform: scale(var(--tap)); }
.card.read-only { cursor: default; }

.card .icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  color: var(--text-dim);
  transition: all 0.25s ease;
}
.card .icon svg { width: 26px; height: 26px; fill: currentColor; }

.card .label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-top: 12px;
  line-height: 1.2;
}
.card .state {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  text-transform: capitalize;
}

.card .lock {
  position: absolute;
  top: 12px; right: 12px;
  color: var(--text-muted);
  opacity: 0.6;
  font-size: 11px;
}

/* ON state */
.card.is-on {
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.14), var(--bg-card) 70%);
  border-color: rgba(255, 209, 102, 0.4);
  box-shadow: 0 0 0 1px rgba(255, 209, 102, 0.2), 0 8px 24px rgba(255, 209, 102, 0.08);
}
.card.is-on .icon {
  background: rgba(255, 209, 102, 0.18);
  color: var(--on);
  box-shadow: 0 0 24px var(--on-glow);
}
.card.is-on .label { color: var(--text); }
.card.is-on .state { color: var(--on); }

/* OPEN state (doors) */
.card.is-open {
  background: linear-gradient(135deg, var(--warn-soft), var(--bg-card) 70%);
  border-color: rgba(255, 122, 122, 0.4);
}
.card.is-open .icon { background: var(--warn-soft); color: var(--warn); }
.card.is-open .state { color: var(--warn); }

/* HOME / presence */
.card.is-home {
  background: linear-gradient(135deg, rgba(109, 214, 164, 0.12), var(--bg-card) 70%);
  border-color: rgba(109, 214, 164, 0.35);
}
.card.is-home .icon { background: rgba(109, 214, 164, 0.18); color: var(--good); }
.card.is-home .state { color: var(--good); }

/* unavailable */
.card.is-unavailable { opacity: 0.5; }
.card.is-unavailable .state { color: var(--text-muted); }

/* sensitive marker */
.card.sensitive::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, transparent 80%, rgba(108, 142, 255, 0.06));
  border: 1px dashed rgba(108, 142, 255, 0.25);
}

/* ---------- Bottom nav ---------- */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-around;
  z-index: 50;
}
@media (prefers-color-scheme: light) {
  .bottom-nav { background: rgba(244, 246, 251, 0.85); }
}
.nav-item {
  flex: 1;
  background: none;
  border: 0;
  color: var(--text-muted);
  padding: 10px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  cursor: pointer;
  transition: color 0.15s ease;
  border-radius: 12px;
}
.nav-item svg { width: 22px; height: 22px; fill: currentColor; }
.nav-item.active { color: var(--accent-bright); }
.nav-item:active { transform: scale(var(--tap)); }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  z-index: 100;
  padding: 16px;
  animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  width: 100%;
  max-width: 420px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  animation: slideUp 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal h2 { margin: 0 0 8px; font-size: 20px; }
.modal p { color: var(--text-dim); margin: 0 0 16px; font-size: 14px; line-height: 1.45; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 18px;
  border-radius: 14px;
  border: 0;
  background: var(--accent);
  color: white;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn:active { transform: scale(var(--tap)); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn.danger { background: var(--warn); }
.btn-row { display: flex; gap: 8px; margin-top: 8px; }
.btn-row .btn { width: auto; flex: 1; }

/* ---------- Form / input ---------- */
.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.input, select.input, textarea.input {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s ease;
}
.input:focus { border-color: var(--accent); }

/* ---------- Login page ---------- */
.login-shell {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow);
}
.login-card h1 { margin: 0 0 4px; font-size: 26px; letter-spacing: -0.01em; }
.login-card .sub { margin: 0 0 24px; color: var(--text-dim); font-size: 14px; }
.divider {
  display: flex; align-items: center; gap: 12px;
  margin: 16px 0;
  color: var(--text-muted);
  font-size: 12px;
}
.divider::before, .divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}
.error-banner {
  background: var(--warn-soft);
  color: var(--warn);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 14px;
}
.toast {
  position: fixed;
  bottom: calc(96px + env(safe-area-inset-bottom));
  left: 50%; transform: translateX(-50%);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 13px;
  box-shadow: var(--shadow);
  z-index: 200;
  animation: slideUp 0.2s ease;
}
.toast.error { background: var(--warn-soft); color: var(--warn); border-color: rgba(255,122,122,0.4); }

/* ---------- Admin ---------- */
.admin-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 16px;
  overflow-x: auto;
}
.admin-tab {
  flex: 1;
  background: none;
  border: 0;
  padding: 10px 14px;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
}
.admin-tab.active { background: var(--accent); color: white; }

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  font-size: 13px;
}
.table th, .table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.table th { color: var(--text-dim); font-weight: 500; background: var(--bg-elev); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.table tr:last-child td { border-bottom: 0; }
.table .small-btn {
  padding: 4px 10px; font-size: 12px; border-radius: 8px;
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text); cursor: pointer;
}
.table .small-btn.danger { color: var(--warn); border-color: rgba(255,122,122,0.4); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  border-radius: 999px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.badge.full { background: var(--accent-soft); color: var(--accent-bright); border-color: var(--accent-soft); }
.badge.read { background: rgba(109, 214, 164, 0.15); color: var(--good); border-color: rgba(109,214,164,0.3); }
.badge.none { background: var(--warn-soft); color: var(--warn); border-color: rgba(255,122,122,0.3); }
.badge.admin { background: var(--accent-soft); color: var(--accent-bright); border-color: rgba(108,142,255,0.3); }

h2.section { margin: 24px 0 12px; font-size: 18px; }

/* mobile-friendly tweaks */
@media (max-width: 599px) {
  .table { font-size: 12px; }
  .table th, .table td { padding: 8px 10px; }
}

/* skeleton */
.skel {
  background: linear-gradient(90deg, var(--bg-card) 0%, var(--bg-card-hover) 50%, var(--bg-card) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 8px;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }