/* ================================================================
   SMART HOME MONITOR — Design System
   Dark Theme · Responsive · Professional
================================================================ */

:root {
  --bg:        #0F0F1A;
  --bg2:       #1A1A2E;
  --card:      #16213E;
  --card2:     #1E2A45;
  --border:    rgba(255,255,255,0.07);
  --text:      #E8E8F0;
  --text2:     #8890A8;
  --accent:    #FF6B35;
  --accent2:   #FF8C5A;
  --green:     #4CAF50;
  --red:       #EF5350;
  --yellow:    #FFC107;
  --blue:      #42A5F5;
  --purple:    #AB47BC;
  --teal:      #26C6DA;
  --orange:    #FFA726;
  --sidebar-w: 240px;
  --header-h:  64px;
  --radius:    12px;
  --radius-sm: 8px;
  --shadow:    0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.4);
  --transition:all 0.2s ease;
}

*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }
html { font-size:16px; scroll-behavior:smooth; }
body { font-family:'Segoe UI',system-ui,sans-serif; background:var(--bg); color:var(--text); min-height:100vh; overflow-x:hidden; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
input, select { font-family:inherit; }
a { color:inherit; text-decoration:none; }

/* ── LAYOUT ─────────────────────────────────────────────── */
#layout { display:flex; min-height:100vh; }

/* ── SIDEBAR ─────────────────────────────────────────────── */
#sidebar {
  width:var(--sidebar-w);
  background:var(--bg2);
  border-right:1px solid var(--border);
  display:flex; flex-direction:column;
  position:fixed; top:0; left:0; bottom:0;
  z-index:100; overflow-y:auto;
  transition:transform 0.3s ease;
}
.sidebar-logo {
  padding:20px 18px 16px;
  display:flex; align-items:center; gap:10px;
  border-bottom:1px solid var(--border);
}
.sidebar-logo .logo-icon { font-size:1.8rem; }
.sidebar-logo .logo-text h2 { font-size:1rem; font-weight:700; color:var(--text); }
.sidebar-logo .logo-text p  { font-size:0.7rem; color:var(--text2); margin-top:1px; }

.sidebar-nav { flex:1; padding:12px 0; }
.nav-section { padding:8px 18px 4px; font-size:0.65rem; text-transform:uppercase; letter-spacing:1.5px; color:var(--text2); }
.nav-item {
  display:flex; align-items:center; gap:12px;
  padding:10px 18px; margin:2px 8px;
  border-radius:var(--radius-sm);
  font-size:0.875rem; color:var(--text2);
  cursor:pointer; transition:var(--transition);
}
.nav-item:hover { background:rgba(255,255,255,0.05); color:var(--text); }
.nav-item.active { background:rgba(255,107,53,0.15); color:var(--accent); }
.nav-item .nav-icon { font-size:1.1rem; width:22px; text-align:center; }
.nav-item .nav-badge {
  margin-left:auto; background:var(--red);
  color:#fff; font-size:0.65rem; font-weight:700;
  padding:2px 6px; border-radius:10px; min-width:18px; text-align:center;
}

.sidebar-footer {
  padding:16px 18px;
  border-top:1px solid var(--border);
  display:flex; align-items:center; gap:10px;
  font-size:0.8rem; color:var(--text2);
}
.sidebar-footer .dot { width:8px; height:8px; border-radius:50%; background:var(--green); box-shadow:0 0 6px var(--green); flex-shrink:0; }

/* ── MAIN ────────────────────────────────────────────────── */
#main {
  flex:1;
  margin-left:var(--sidebar-w);
  display:flex; flex-direction:column;
  min-height:100vh;
}

/* ── HEADER ──────────────────────────────────────────────── */
#topbar {
  height:var(--header-h);
  background:var(--bg2);
  border-bottom:1px solid var(--border);
  display:flex; align-items:center; gap:16px;
  padding:0 24px;
  position:sticky; top:0; z-index:50;
}
#topbar .page-title { font-size:1.15rem; font-weight:700; flex:1; }
#topbar .topbar-actions { display:flex; align-items:center; gap:10px; }
.btn-icon {
  width:38px; height:38px; border-radius:var(--radius-sm);
  background:var(--card2); color:var(--text2); font-size:1rem;
  display:flex; align-items:center; justify-content:center;
  transition:var(--transition); position:relative;
}
.btn-icon:hover { background:var(--card); color:var(--text); }
.btn-icon .notif-dot { position:absolute; top:6px; right:6px; width:6px; height:6px; background:var(--red); border-radius:50%; }
#clock-display { font-size:0.8rem; color:var(--text2); font-variant-numeric:tabular-nums; white-space:nowrap; }

/* ── CONTENT ─────────────────────────────────────────────── */
#content { flex:1; padding:24px; overflow-y:auto; }
.section { display:none; }
.section.active { display:block; }

/* ── CARDS ───────────────────────────────────────────────── */
.card {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow);
}
.card-title { font-size:0.8rem; text-transform:uppercase; letter-spacing:1px; color:var(--text2); margin-bottom:12px; }

/* ── STAT CARDS ──────────────────────────────────────────── */
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:24px; }
.stat-card {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px 20px;
  display:flex; flex-direction:column; gap:6px;
  position:relative; overflow:hidden;
  transition:var(--transition);
}
.stat-card::before {
  content:''; position:absolute; top:0; left:0; right:0;
  height:3px; background:var(--accent-color, var(--accent));
}
.stat-card:hover { transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.stat-card .stat-icon { font-size:1.6rem; }
.stat-card .stat-val { font-size:1.8rem; font-weight:700; color:var(--text); font-variant-numeric:tabular-nums; }
.stat-card .stat-label { font-size:0.75rem; color:var(--text2); }
.stat-card .stat-sub { font-size:0.7rem; color:var(--text2); margin-top:2px; }

/* ── DEVICE GRID ─────────────────────────────────────────── */
.devices-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:14px; }
.device-card {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.device-card:hover { border-color:rgba(255,255,255,0.15); transform:translateY(-1px); box-shadow:var(--shadow-lg); }
.device-card.on { border-color:rgba(255,107,53,0.3); }
.device-card .device-header { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:12px; }
.device-card .device-icon { font-size:1.8rem; }
.device-card .device-name { font-size:0.85rem; font-weight:600; color:var(--text); margin-bottom:2px; line-height:1.2; }
.device-card .device-room { font-size:0.7rem; color:var(--text2); }
.device-card .device-footer { display:flex; align-items:center; justify-content:space-between; margin-top:12px; }
.device-card .device-info { font-size:0.75rem; color:var(--text2); }
.proto-badge {
  display:inline-flex; align-items:center; gap:3px;
  font-size:0.62rem; font-weight:700; padding:2px 6px;
  border-radius:20px; text-transform:uppercase; letter-spacing:0.5px;
}

/* ── TOGGLE ──────────────────────────────────────────────── */
.toggle {
  width:40px; height:22px; border-radius:11px;
  background:var(--card2); cursor:pointer;
  position:relative; transition:var(--transition); flex-shrink:0;
  border:1px solid var(--border);
}
.toggle.on { background:var(--accent); border-color:var(--accent); }
.toggle::after {
  content:''; position:absolute;
  width:16px; height:16px; border-radius:50%;
  background:#fff; top:2px; left:2px;
  transition:var(--transition);
  box-shadow:0 1px 4px rgba(0,0,0,0.3);
}
.toggle.on::after { transform:translateX(18px); }

/* ── BRIGHTNESS SLIDER ───────────────────────────────────── */
.brightness-wrap { margin-top:10px; }
.brightness-slider {
  -webkit-appearance:none;
  width:100%; height:4px;
  border-radius:2px; outline:none; cursor:pointer;
  background:linear-gradient(to right, var(--accent) var(--pct,50%), var(--card2) var(--pct,50%));
}
.brightness-slider::-webkit-slider-thumb {
  -webkit-appearance:none;
  width:14px; height:14px; border-radius:50%;
  background:var(--accent); box-shadow:0 0 6px rgba(255,107,53,0.5);
}

/* ── FILTER BAR ──────────────────────────────────────────── */
.filter-bar { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:20px; align-items:center; }
.filter-btn {
  padding:6px 14px; border-radius:20px;
  font-size:0.78rem; font-weight:500;
  background:var(--card2); color:var(--text2);
  border:1px solid var(--border); transition:var(--transition);
}
.filter-btn:hover { color:var(--text); border-color:rgba(255,255,255,0.2); }
.filter-btn.active { background:var(--accent); color:#fff; border-color:var(--accent); }
.search-box {
  margin-left:auto; display:flex; align-items:center;
  background:var(--card2); border:1px solid var(--border);
  border-radius:20px; padding:6px 14px; gap:8px;
}
.search-box input {
  background:none; border:none; outline:none;
  color:var(--text); font-size:0.8rem; width:160px;
}
.search-box input::placeholder { color:var(--text2); }

/* ── ROOM GRID ───────────────────────────────────────────── */
.rooms-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(160px,1fr)); gap:14px; margin-bottom:24px; }
.room-card {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px 16px;
  text-align:center; cursor:pointer;
  transition:var(--transition);
  position:relative; overflow:hidden;
}
.room-card::after { content:''; position:absolute; bottom:0; left:0; right:0; height:3px; background:var(--room-color, var(--accent)); }
.room-card:hover { transform:translateY(-3px); box-shadow:var(--shadow-lg); border-color:rgba(255,255,255,0.15); }
.room-card.selected { border-color:rgba(255,255,255,0.3); }
.room-card .room-emoji { font-size:2rem; margin-bottom:8px; }
.room-card .room-name { font-size:0.85rem; font-weight:600; margin-bottom:4px; }
.room-card .room-count { font-size:0.7rem; color:var(--text2); }
.room-card .room-active { font-size:0.7rem; font-weight:600; margin-top:2px; }

/* ── AUTOMATION LIST ─────────────────────────────────────── */
.auto-list { display:flex; flex-direction:column; gap:12px; }
.auto-item {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px 20px;
  display:flex; align-items:center; gap:14px;
  transition:var(--transition);
}
.auto-item:hover { border-color:rgba(255,255,255,0.15); }
.auto-item .auto-emoji { font-size:1.6rem; width:40px; height:40px; display:flex; align-items:center; justify-content:center; background:var(--card2); border-radius:var(--radius-sm); flex-shrink:0; }
.auto-item .auto-info { flex:1; }
.auto-item .auto-nome { font-size:0.9rem; font-weight:600; }
.auto-item .auto-trigger { font-size:0.75rem; color:var(--text2); margin-top:2px; }
.auto-item .auto-azione { font-size:0.75rem; color:var(--text2); }

/* ── LOG ─────────────────────────────────────────────────── */
.log-list { display:flex; flex-direction:column; gap:8px; }
.log-item {
  background:var(--card);
  border:1px solid var(--border);
  border-left:3px solid var(--log-color, var(--text2));
  border-radius:var(--radius-sm);
  padding:10px 14px;
  display:flex; align-items:center; gap:12px;
  font-size:0.82rem;
}
.log-item.info    { --log-color: var(--blue); }
.log-item.warning { --log-color: var(--yellow); }
.log-item.error   { --log-color: var(--red); }
.log-item.success { --log-color: var(--green); }
.log-ts { font-size:0.7rem; color:var(--text2); white-space:nowrap; }
.log-msg { flex:1; }
.log-badge { font-size:0.65rem; padding:2px 6px; border-radius:10px; font-weight:700; }
.log-badge.info    { background:rgba(66,165,245,0.2); color:var(--blue); }
.log-badge.warning { background:rgba(255,193,7,0.2);  color:var(--yellow); }
.log-badge.error   { background:rgba(239,83,80,0.2);  color:var(--red); }
.log-badge.success { background:rgba(76,175,80,0.2);  color:var(--green); }

/* ── ENERGIA ─────────────────────────────────────────────── */
.energia-grid { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:24px; }
.chart-card { background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; }
.chart-card canvas { max-height:220px; }
.energia-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-bottom:24px; }
.estat { background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:16px 20px; }
.estat .el { font-size:0.75rem; color:var(--text2); margin-bottom:6px; }
.estat .ev { font-size:1.5rem; font-weight:700; }
.estat .eu { font-size:0.75rem; color:var(--text2); }

/* ── IMPOSTAZIONI ────────────────────────────────────────── */
.settings-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:16px; }
.setting-card { background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; }
.setting-card h3 { font-size:0.9rem; font-weight:700; margin-bottom:14px; display:flex; align-items:center; gap:8px; }
.setting-row { display:flex; flex-direction:column; gap:4px; margin-bottom:12px; }
.setting-row label { font-size:0.75rem; color:var(--text2); }
.setting-row input, .setting-row select {
  background:var(--card2); border:1px solid var(--border);
  color:var(--text); border-radius:var(--radius-sm);
  padding:8px 12px; font-size:0.82rem; outline:none;
  transition:var(--transition);
}
.setting-row input:focus, .setting-row select:focus { border-color:var(--accent); }
.btn-save {
  background:var(--accent); color:#fff; border-radius:var(--radius-sm);
  padding:8px 18px; font-size:0.82rem; font-weight:600;
  transition:var(--transition); margin-top:4px;
}
.btn-save:hover { background:var(--accent2); transform:translateY(-1px); }

/* ── STATUS INDICATOR ────────────────────────────────────── */
.status-dot { width:8px; height:8px; border-radius:50%; flex-shrink:0; }
.status-dot.on  { background:var(--green); box-shadow:0 0 6px var(--green); }
.status-dot.off { background:var(--card2); }
.status-dot.warn { background:var(--yellow); box-shadow:0 0 6px var(--yellow); }
.status-dot.err  { background:var(--red);    box-shadow:0 0 6px var(--red); }

/* ── BATTERY ─────────────────────────────────────────────── */
.battery { font-size:0.7rem; display:flex; align-items:center; gap:3px; }
.battery.low  { color:var(--red); }
.battery.mid  { color:var(--yellow); }
.battery.ok   { color:var(--green); }

/* ── SECTION HEADER ──────────────────────────────────────── */
.section-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; }
.section-header h2 { font-size:1.1rem; font-weight:700; }
.btn-primary {
  background:var(--accent); color:#fff; border-radius:var(--radius-sm);
  padding:8px 16px; font-size:0.8rem; font-weight:600;
  display:flex; align-items:center; gap:6px; transition:var(--transition);
}
.btn-primary:hover { background:var(--accent2); transform:translateY(-1px); }

/* ── BOTTOM NAV (mobile only) ────────────────────────────── */
#bottom-nav {
  display:none;
  position:fixed; bottom:0; left:0; right:0;
  background:var(--bg2); border-top:1px solid var(--border);
  padding:6px 0 max(6px, env(safe-area-inset-bottom));
  z-index:100;
  grid-template-columns:repeat(5,1fr);
}
.bnav-item {
  display:flex; flex-direction:column; align-items:center; gap:2px;
  padding:6px 4px; cursor:pointer; transition:var(--transition);
  font-size:0.6rem; color:var(--text2);
}
.bnav-item .bnav-icon { font-size:1.3rem; }
.bnav-item.active { color:var(--accent); }

/* ── HAMBURGER (mobile only) ─────────────────────────────── */
#menu-toggle { display:none; }

/* ── SIDEBAR OVERLAY ─────────────────────────────────────── */
#sidebar-overlay {
  display:none; position:fixed; inset:0;
  background:rgba(0,0,0,0.5); z-index:99;
}

/* ── SCROLLBAR ───────────────────────────────────────────── */
::-webkit-scrollbar { width:5px; height:5px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.1); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:rgba(255,255,255,0.2); }

/* ── TOAST ───────────────────────────────────────────────── */
#toast-container { position:fixed; bottom:20px; right:20px; z-index:9999; display:flex; flex-direction:column; gap:8px; pointer-events:none; }
.toast {
  background:var(--card2); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:10px 16px; font-size:0.82rem; display:flex; align-items:center; gap:8px;
  box-shadow:var(--shadow-lg); animation:slideIn 0.3s ease;
  max-width:300px; pointer-events:all;
}
@keyframes slideIn { from { transform:translateX(100%); opacity:0; } to { transform:none; opacity:1; } }
@keyframes slideOut { to { transform:translateX(110%); opacity:0; } }

/* ── WELCOME WEATHER STRIP ───────────────────────────────── */
.weather-strip {
  background:linear-gradient(135deg, var(--card2), var(--card));
  border:1px solid var(--border); border-radius:var(--radius);
  padding:16px 20px; margin-bottom:24px;
  display:flex; align-items:center; gap:20px;
  flex-wrap:wrap;
}
.weather-strip .ws-greeting { flex:1; }
.weather-strip .ws-greeting h3 { font-size:1.1rem; font-weight:700; }
.weather-strip .ws-greeting p  { font-size:0.78rem; color:var(--text2); margin-top:2px; }
.weather-item { display:flex; flex-direction:column; align-items:center; gap:2px; padding:8px 14px; background:rgba(0,0,0,0.2); border-radius:var(--radius-sm); }
.weather-item .wi-val { font-size:1rem; font-weight:700; }
.weather-item .wi-lbl { font-size:0.65rem; color:var(--text2); }

/* ── DEVICE TYPE ICONS ───────────────────────────────────── */
.tipo-icon { font-size:1.6rem; }

/* ── MODAL ───────────────────────────────────────────────── */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.6); z-index:200; display:flex; align-items:center; justify-content:center; padding:20px; backdrop-filter:blur(4px); }
.modal-box { background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:24px; width:100%; max-width:440px; box-shadow:var(--shadow-lg); }
.modal-box h3 { font-size:1.05rem; font-weight:700; margin-bottom:16px; }
.modal-actions { display:flex; gap:10px; justify-content:flex-end; margin-top:20px; }
.btn-cancel { background:var(--card2); color:var(--text2); border-radius:var(--radius-sm); padding:8px 16px; font-size:0.82rem; transition:var(--transition); }
.btn-cancel:hover { color:var(--text); }

/* ── QUICK STATS MINI ────────────────────────────────────── */
.mini-stats { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:20px; }
.mini-stat { background:var(--card); border:1px solid var(--border); border-radius:var(--radius-sm); padding:10px 16px; display:flex; align-items:center; gap:8px; font-size:0.82rem; }
.mini-stat .ms-icon { font-size:1.1rem; }
.mini-stat .ms-val { font-weight:700; }
.mini-stat .ms-lbl { color:var(--text2); }

/* ── PROTOCOL STATUS ─────────────────────────────────────── */
.protocol-status { display:grid; grid-template-columns:repeat(auto-fill,minmax(140px,1fr)); gap:10px; margin-bottom:24px; }
.proto-card {
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:12px 14px; display:flex; align-items:center; gap:10px;
}
.proto-card .pc-dot { width:10px; height:10px; border-radius:50%; flex-shrink:0; }
.proto-card .pc-name { font-size:0.8rem; font-weight:600; }
.proto-card .pc-count { font-size:0.7rem; color:var(--text2); }

/* ── RESPONSIVE TABLET ───────────────────────────────────── */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .energia-grid { grid-template-columns:1fr; }
}

/* ── RESPONSIVE MOBILE ───────────────────────────────────── */
@media (max-width: 768px) {
  #sidebar { transform:translateX(-100%); }
  #sidebar.open { transform:none; }
  #sidebar-overlay.open { display:block; }
  #main { margin-left:0; }
  #bottom-nav { display:grid; }
  #content { padding:16px; padding-bottom:80px; }
  #topbar { padding:0 16px; }
  #menu-toggle { display:flex; }
  .stats-grid { grid-template-columns:repeat(2,1fr); gap:10px; }
  .stat-card .stat-val { font-size:1.4rem; }
  .devices-grid { grid-template-columns:repeat(auto-fill,minmax(160px,1fr)); gap:10px; }
  .rooms-grid { grid-template-columns:repeat(auto-fill,minmax(130px,1fr)); gap:10px; }
  .energia-stats { grid-template-columns:repeat(3,1fr); gap:8px; }
  .settings-grid { grid-template-columns:1fr; }
  .search-box input { width:100px; }
  .weather-strip { padding:12px 14px; gap:12px; }
  #toast-container { bottom:80px; right:12px; left:12px; }
  .toast { max-width:100%; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns:1fr 1fr; }
  .energia-stats { grid-template-columns:1fr 1fr 1fr; }
  .filter-bar { gap:6px; }
  .filter-btn { padding:5px 10px; font-size:0.72rem; }
}