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

    /* ── DARK (default) ── */

    /* ── LIGHT ── */


    body{background:var(--bg);color:var(--text);font-family:'Segoe UI',system-ui,sans-serif;min-height:100vh;transition:background .25s,color .25s}

    /* NAV */
    nav{background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;height:56px;
        display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;
        box-shadow:0 2px 8px var(--shadow)}
    .logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px}
    .logo-icon{width:30px;height:30px;background:var(--green);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px}
    .logo-text{display:inline}
    .nav-right{display:flex;align-items:center;gap:10px;font-size:13px}
    .role-badge{padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700}
    .role-prop{background:rgba(99,102,241,.2);color:#a5b4fc}
    .role-tech{background:rgba(234,179,8,.2);color:#fbbf24}
    .logout-btn{background:none;border:1px solid var(--border);color:var(--muted);
                border-radius:8px;padding:4px 12px;cursor:pointer;font-size:12px;transition:all .2s}
    .logout-btn:hover{border-color:var(--red);color:var(--red)}
    .theme-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text);
               border-radius:8px;padding:4px 10px;cursor:pointer;font-size:14px;transition:all .2s}
    .theme-btn:hover{border-color:var(--accent)}
    .dash-link{color:var(--muted);font-size:12px;text-decoration:none;white-space:nowrap}
    .dash-link:hover{color:var(--text)}

    /* LAYOUT */
    main{padding:24px;max-width:1200px;margin:0 auto}
    .page-title{font-size:22px;font-weight:700;margin-bottom:4px}
    .page-sub{font-size:13px;color:var(--muted);margin-bottom:24px}

    .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:16px;box-shadow:0 2px 6px var(--shadow)}
    .card-title{font-size:15px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}

    /* FORM */
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
    label{font-size:12px;color:var(--muted);display:block;margin-bottom:4px}
    input,select{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:8px;
                 padding:8px 12px;color:var(--text);font-size:13px;outline:none;transition:border .2s}
    input:focus,select:focus{border-color:var(--accent)}
    input::placeholder{color:var(--muted)}
    select option{background:var(--surface2)}

    .device-checklist{display:grid;grid-template-columns:1fr 1fr;gap:6px;max-height:200px;overflow-y:auto;
                      background:var(--surface2);border-radius:8px;padding:10px;border:1px solid var(--border)}
    .check-item{display:flex;align-items:center;gap:6px;font-size:12px;cursor:pointer;padding:3px}
    .check-item input[type=checkbox]{accent-color:var(--accent);width:14px;height:14px}

    .thermo-settings{display:flex;flex-direction:column;gap:8px;background:var(--surface2);
                     border-radius:8px;padding:10px;border:1px solid var(--border)}
    .thermo-row{display:grid;grid-template-columns:1fr auto auto auto;align-items:center;gap:8px;font-size:12px}
    .thermo-row select{padding:4px 8px;font-size:11px}
    .thermo-row input[type=number]{width:60px;padding:4px 8px;font-size:11px;text-align:center}

    /* BUTTONS */
    .btn{background:var(--accent);color:white;border:none;border-radius:8px;
         padding:10px 20px;font-size:13px;font-weight:600;cursor:pointer;transition:opacity .2s;white-space:nowrap}
    .btn:hover{opacity:.85}
    .btn-red{background:rgba(239,68,68,.12);color:var(--red);border:1px solid rgba(239,68,68,.3)}
    .btn-red:hover{background:rgba(239,68,68,.28)}
    .btn-green{background:rgba(34,197,94,.12);color:var(--green);border:1px solid rgba(34,197,94,.3)}
    .btn-green:hover{background:rgba(34,197,94,.28)}
    .btn-yellow{background:rgba(234,179,8,.12);color:var(--yellow);border:1px solid rgba(234,179,8,.3)}
    .btn-yellow:hover{background:rgba(234,179,8,.28)}
    .btn-sm{padding:5px 12px;font-size:11px}

    /* SCENES */
    .scene-item{background:var(--surface2);border-radius:10px;padding:12px 16px;
                display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;
                border-left:3px solid var(--accent)}
    .scene-item.system{border-left-color:var(--muted)}
    .scene-item.inactive{opacity:.5}
    .scene-meta{font-size:11px;color:var(--muted);margin-top:3px}
    .scene-actions{display:flex;gap:6px;flex-shrink:0}

    /* LIMITS */
    .limit-row{display:grid;grid-template-columns:1fr auto auto auto;align-items:center;gap:12px;
               padding:10px 0;border-bottom:1px solid var(--border);font-size:13px}
    .limit-row:last-child{border-bottom:none}
    .limit-input{width:70px;padding:6px;text-align:center;font-size:12px}

    /* TABS */
    .tabs{display:flex;gap:4px;margin-bottom:20px;flex-wrap:wrap}
    .tab{padding:8px 16px;border-radius:8px;cursor:pointer;font-size:13px;color:var(--muted);
         border:none;background:none;transition:all .2s;font-weight:500;white-space:nowrap}
    .tab:hover{background:var(--surface2);color:var(--text)}
    .tab.active{background:var(--accent);color:white}
    .tab-panel{display:none}.tab-panel.active{display:block}

    /* TOAST */
    .toast{position:fixed;bottom:24px;right:24px;background:var(--surface);border:1px solid var(--border);
           border-radius:12px;padding:12px 20px;font-size:13px;z-index:999;
           transform:translateY(100px);opacity:0;transition:all .3s;max-width:320px;
           box-shadow:0 4px 16px var(--shadow)}
    .toast.show{transform:translateY(0);opacity:1}
    .toast.green{border-color:var(--green)}
    .toast.red{border-color:var(--red)}

    .auth-check{text-align:center;padding:60px 20px;color:var(--muted)}

    /* ── ROOM CARD ── */
    .room-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;
               padding:16px;margin-bottom:12px;box-shadow:0 2px 6px var(--shadow)}
    .room-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:8px;flex-wrap:wrap}
    .room-title{font-weight:700;font-size:15px}
    .room-sub{font-size:11px;color:var(--muted);margin-top:2px}
    .room-header-btns{display:flex;gap:6px;flex-shrink:0}

    .dev-row{display:flex;align-items:center;gap:8px;padding:6px 0;font-size:12px;
             border-bottom:1px solid var(--border)}
    .dev-row:last-child{border-bottom:none}
    .dev-icon{width:22px;text-align:center;font-size:15px}
    .dev-name{flex:1;font-size:13px}
    .dev-watts{color:var(--yellow);font-size:12px;min-width:50px;text-align:right}

    /* ── ROOM EDIT ── */
    .edit-table{width:100%;border-collapse:collapse;font-size:12px}
    .edit-table th{text-align:left;padding:6px 8px;color:var(--muted);font-size:11px;text-transform:uppercase;
                   border-bottom:1px solid var(--border)}
    .edit-table td{padding:6px 8px;border-bottom:1px solid var(--border);vertical-align:middle}
    .edit-table tr:last-child td{border-bottom:none}
    .edit-inp{padding:5px 8px;border-radius:6px;font-size:12px;width:100%}
    .edit-inp-w{width:72px;text-align:center}

    .catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;
                  max-height:250px;overflow-y:auto;padding:8px;
                  background:var(--surface2);border-radius:8px;border:1px solid var(--border)}
    .cat-item{display:flex;align-items:center;gap:6px;font-size:12px;cursor:pointer;
              padding:5px 8px;border-radius:6px;background:var(--surface);border:1px solid var(--border);
              transition:border .15s}
    .cat-item:hover{border-color:var(--accent)}
    .cat-item input[type=checkbox]{accent-color:var(--accent)}

    .add-dev-panel{background:var(--surface2);border:1px solid var(--border);border-radius:10px;
                  padding:12px;margin-top:10px}
    .thermo-limit-mini{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;margin-top:8px}
    .thermo-limit-mini input{width:60px;padding:5px;text-align:center}

    /* ── RESPONSIVE ── */
    @media(max-width:900px){
      .grid-2{grid-template-columns:1fr}
      .catalog-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:640px){
      nav{padding:0 14px;height:52px}
      .logo-text{display:none}
      .dash-link{display:none}
      main{padding:14px}
      .page-title{font-size:18px}
      .card{padding:14px}
      .tabs{gap:3px}
      .tab{padding:7px 12px;font-size:12px}
      .form-row{grid-template-columns:1fr}
      .scene-item{flex-direction:column;align-items:flex-start;gap:8px}
      .scene-actions{width:100%;justify-content:flex-end}
      .limit-row{grid-template-columns:1fr auto auto auto;gap:6px}
      .catalog-grid{grid-template-columns:repeat(2,1fr)}
      .room-header{gap:6px}
      .edit-table th:nth-child(4),.edit-table td:nth-child(4){display:none}
      .toast{bottom:12px;right:12px;left:12px;max-width:none}
      .nav-right{gap:6px}
      .role-badge{display:none}
    }
    @media(max-width:420px){
      .catalog-grid{grid-template-columns:1fr 1fr}
      .device-checklist{grid-template-columns:1fr}
      .thermo-row{grid-template-columns:1fr auto auto auto;font-size:11px}
    }

    /* Keep settings responsive even when a separate stylesheet is unavailable. */
body[data-page="settings"] .edit-field-label { display: none; }
@media screen and (max-width: 900px) {
body[data-page] button,
  body[data-page] nav a {
    min-height: 44px;
    min-width: 44px;
    touch-action: manipulation;
  }
body[data-page="settings"] main a[href] {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    min-width: 44px;
  }
body[data-page] nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
body[data-page] button:focus-visible,
  body[data-page] a:focus-visible,
  body[data-page] .table-scroll:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
  }
body[data-page] main { padding: 16px 14px; }
body[data-page] nav {
    height: auto;
    min-height: 60px;
    padding: 8px 12px;
    gap: 8px;
    flex-wrap: wrap;
  }
body[data-page] .logo { min-width: 0; gap: 6px; }
body[data-page] .logo-icon { flex-shrink: 0; }
body[data-page] .nav-right { gap: 6px; min-width: 0; }
body[data-page] .card,
  body[data-page] .room-card,
  body[data-page] .chart-card,
  body[data-page] .storico-card { min-width: 0; }
body[data-page] .toast {
    left: 12px;
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom));
    max-width: none;
    overflow-wrap: anywhere;
    pointer-events: none;
  }
body[data-page] input:not([type="checkbox"]):not([type="file"]),
  body[data-page] select {
    font-size: 16px !important;
    min-height: 44px;
    min-width: 0;
    max-width: 100%;
  }
body[data-page="settings"] .nav-right { flex: 1; flex-wrap: wrap; justify-content: flex-end; }
body[data-page="settings"] #user-name { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
body[data-page="settings"] .dash-link { display: inline-flex; }
body[data-page="settings"] main { overflow-wrap: anywhere; }
body[data-page="settings"] .tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
body[data-page="settings"] .tab { padding: 8px 6px; white-space: normal; }
body[data-page="settings"] .grid-2,
  body[data-page="settings"] .form-row { grid-template-columns: minmax(0, 1fr); }
body[data-page="settings"] .card-title { flex-wrap: wrap; }
body[data-page="settings"] .btn { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
body[data-page="settings"] label[for],
  body[data-page="settings"] label:has(input[type="checkbox"]) { min-height: 44px; }
body[data-page="settings"] label[for] { display: flex; align-items: center; }
body[data-page="settings"] .scene-actions { flex-wrap: wrap; }
body[data-page="settings"] .scene-item > div:first-child > div:first-child { flex-wrap: wrap; }
body[data-page="settings"] .limit-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
body[data-page="settings"] .limit-row > :first-child,
  body[data-page="settings"] .limit-row > button { grid-column: 1 / -1; }
body[data-page="settings"] .limit-row > button { justify-self: start; }
body[data-page="settings"] .limit-row > div { min-width: 0; flex-wrap: wrap; }
body[data-page="settings"] .thermo-row { grid-template-columns: minmax(0, 1fr) 76px auto; }
body[data-page="settings"] .thermo-row > span:first-child { grid-column: 1 / -1; }
body[data-page="settings"] .thermo-row input[type="number"] { width: 76px; }
body[data-page="settings"] .room-header-btns { flex-wrap: wrap; }
body[data-page="settings"] .dev-name { min-width: 0; overflow-wrap: anywhere; }
body[data-page="settings"] .dev-icon { flex-shrink: 0; }
body[data-page="settings"] .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
body[data-page="settings"] .cat-item,
  body[data-page="settings"] .check-item { min-width: 0; min-height: 44px; padding: 8px 6px; }
body[data-page="settings"] input[type="checkbox"] { width: 20px !important; height: 20px !important; flex-shrink: 0; padding: 0; }
body[data-page="settings"] .edit-table { min-width: 440px; }
body[data-page="settings"] .edit-table td:nth-child(2) { min-width: 160px; }
body[data-page="settings"] .btn { max-width: 100%; white-space: normal; }
body[data-page="settings"] .weather-test-header,
  body[data-page="settings"] .weather-test-current { flex-wrap: wrap; }
body[data-page="settings"] .weather-test-header > span { min-width: 0; }
body[data-page="settings"] .weather-test-header > span:last-child {
    flex: 1 1 100%;
    margin-left: 0 !important;
  }
body[data-page="settings"] .weather-test-current > span:nth-child(2) { flex-shrink: 0; white-space: nowrap; }
body[data-page="settings"] .weather-test-current > span:last-child { flex: 1 1 100%; }
}
@media screen and (max-width: 640px) {
body[data-page="settings"] .edit-table,
  body[data-page="settings"] .edit-table tbody { display: block; width: 100%; min-width: 0; }
body[data-page="settings"] .edit-table thead { display: none; }
body[data-page="settings"] .edit-table tbody tr {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    padding: 12px;
    margin-bottom: 12px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 10px;
  }
body[data-page="settings"] .edit-table tbody td {
    display: block;
    min-width: 0;
    padding: 0;
    border: none;
  }
body[data-page="settings"] .edit-table td:first-child { grid-column: 1; grid-row: 1; align-self: center; font-size: 20px; }
body[data-page="settings"] .edit-table td:last-child { grid-column: 2; grid-row: 1; }
body[data-page="settings"] .edit-table td:nth-child(2),
  body[data-page="settings"] .edit-table td:nth-child(3),
  body[data-page="settings"] .edit-table td:nth-child(4) { grid-column: 1 / -1; min-width: 0; }
body[data-page="settings"] .edit-table .edit-field-label {
    display: block;
    min-height: 0;
    margin-bottom: 6px;
    font-size: 12px;
    color: var(--muted);
  }
body[data-page="settings"] .edit-table .edit-inp { width: 100%; }
}
@media screen and (max-width: 540px) {
body[data-page="settings"] .catalog-grid { grid-template-columns: minmax(0, 1fr); }
body[data-page="settings"] .room-header-btns { width: 100%; }
body[data-page="settings"] .weather-test-forecast { display: grid !important; grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media screen and (max-width: 900px) {
  body[data-page="settings"] .catalog-grid,
  body[data-page="settings"] .device-checklist { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  body[data-page="settings"] .cat-item > span { min-width: 0; overflow-wrap: anywhere; }
  body[data-page="settings"] .cat-item > span:first-of-type { flex-shrink: 0; }
  body[data-page="settings"] .cat-item > span:last-child { flex-shrink: 0; white-space: nowrap; }
  body[data-page="settings"] .limit-row input { width: 76px; }
}
@media screen and (max-width: 540px) {
  body[data-page="settings"] .catalog-grid,
  body[data-page="settings"] .device-checklist { grid-template-columns: minmax(0, 1fr); }
}