*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',Arial,sans-serif;background:#fff;color:#1a1a1a;min-height:100vh;padding:24px 16px 60px}
.container{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:20px}
.total-card{background:linear-gradient(135deg,#16a34a,#059669);border-radius:18px;padding:24px 28px;display:flex;align-items:center;justify-content:space-between;color:#fff;box-shadow:0 4px 20px rgba(22,163,74,.35)}
.total-label{font-size:13px;color:#bbf7d0;font-weight:500;margin-bottom:4px}
.total-value{display:flex;align-items:flex-end;gap:8px}
.total-value span:first-child{font-size:46px;font-weight:800;line-height:1}
.total-unit{font-size:20px;font-weight:600;color:#86efac;margin-bottom:6px}
.total-sub{font-size:12px;color:#86efac;margin-top:6px}
.zap-icon{width:60px;height:60px;border-radius:14px;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-size:30px;flex-shrink:0}
.suggestion-card{background:#fffbeb;border:1.5px solid #fde68a;border-radius:16px;padding:18px 20px;display:flex;align-items:flex-start;gap:14px}
.suggestion-icon{font-size:28px;margin-top:2px;flex-shrink:0}
.suggestion-label{font-size:12px;font-weight:600;color:#92400e;margin-bottom:4px}
.suggestion-value{font-size:20px;font-weight:800;color:#b45309}
.suggestion-note{font-size:11px;color:#a16207;margin-top:4px;line-height:1.5}
.grid-type-card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:18px 20px}
.grid-type-label{font-size:13px;font-weight:700;color:#374151;margin-bottom:12px}
.grid-toggle{display:flex;gap:10px}
.grid-btn{flex:1;padding:12px 16px;border-radius:12px;border:2px solid #e5e7eb;background:#f9fafb;color:#6b7280;font-size:14px;font-weight:700;cursor:pointer;transition:all .18s}
.grid-btn:hover{border-color:#4ade80;color:#15803d;background:#f0fdf4}
.grid-btn.active{background:#16a34a;border-color:#16a34a;color:#fff;box-shadow:0 3px 10px rgba(22,163,74,.3)}
.offgrid-card{background:#f0f9ff;border:1.5px solid #bae6fd;border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:16px}
.offgrid-title{font-size:14px;font-weight:800;color:#0369a1}
.backup-row{display:flex;align-items:center;gap:12px}
.backup-input{width:90px;padding:10px 14px;border-radius:10px;border:2px solid #7dd3fc;background:#fff;font-size:20px;font-weight:800;color:#0c4a6e;text-align:center;outline:none}
.backup-input:focus{border-color:#0ea5e9}
.backup-unit{font-size:13px;font-weight:600;color:#0369a1}
.offgrid-result{background:#fff;border:1px solid #bae6fd;border-radius:12px;padding:16px;display:flex;flex-direction:column}
.offgrid-item{display:flex;align-items:center;gap:14px;padding:10px 0}
.oi-icon{font-size:28px;flex-shrink:0}
.oi-label{font-size:12px;color:#0369a1;font-weight:600;margin-bottom:3px}
.oi-value{font-size:20px;font-weight:800;color:#0c4a6e}
.offgrid-divider{height:1px;background:#e0f2fe;margin:0 4px}
.tabs{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab-btn{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 16px;border-radius:14px;border:2px solid #e5e7eb;background:#fff;color:#6b7280;font-size:11px;font-weight:700;cursor:pointer;min-width:82px;text-align:center;transition:all .18s;line-height:1.3}
.tab-btn:hover{border-color:#4ade80;color:#15803d}
.tab-btn.active{background:#16a34a;border-color:#16a34a;color:#fff;box-shadow:0 3px 10px rgba(22,163,74,.35)}
.tab-icon{font-size:22px}
.tab-badge{font-size:10px;font-weight:800;padding:2px 6px;border-radius:999px;background:rgba(255,255,255,.25);color:#fff}
.tab-badge.inactive{background:#dcfce7;color:#16a34a}
.appliance-card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.07)}
.appliance-header{display:flex;align-items:center;gap:10px;padding:14px 20px;background:#f0fdf4;border-bottom:1px solid #d1fae5}
.appliance-header .header-icon{font-size:26px}
.appliance-header .header-title{font-size:16px;font-weight:800;color:#166534}
.appliance-list{display:flex;flex-direction:column}
.appliance-row{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid #f3f4f6;transition:background .15s}
.appliance-row:last-child{border-bottom:none}
.appliance-row:hover{background:#f9fafb}
.appliance-info .name{font-size:14px;font-weight:600;color:#1f2937}
.appliance-info .watts{font-size:12px;color:#16a34a;font-weight:600;margin-top:2px}
.row-right{display:flex;align-items:center;gap:12px}
.row-total-badge{font-size:11px;font-weight:800;color:#15803d;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px;padding:3px 8px;display:none}
.counter{display:flex;align-items:center;gap:10px}
.counter-btn{width:34px;height:34px;border-radius:50%;border:2px solid #86efac;background:#fff;color:#16a34a;font-size:18px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;line-height:1}
.counter-btn:hover:not(:disabled){background:#f0fdf4;border-color:#4ade80}
.counter-btn:disabled{opacity:.3;cursor:not-allowed}
.counter-btn.plus{background:#16a34a;border-color:#16a34a;color:#fff;box-shadow:0 2px 6px rgba(22,163,74,.3)}
.counter-btn.plus:hover{background:#15803d;border-color:#15803d}
.counter-qty{font-size:15px;font-weight:800;color:#111827;min-width:20px;text-align:center}
.summary-card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,.07)}
.summary-title{font-size:13px;font-weight:800;color:#166534;margin-bottom:16px}
.summary-row{margin-bottom:12px}
.summary-row:last-child{margin-bottom:0}
.summary-label{display:flex;justify-content:space-between;font-size:13px;margin-bottom:5px}
.summary-name{font-weight:500;color:#374151;max-width:60%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.summary-val{font-weight:800;color:#16a34a}
.summary-bar{height:6px;background:#dcfce7;border-radius:999px;overflow:hidden}
.summary-fill{height:100%;background:#22c55e;border-radius:999px;transition:width .5s ease}
.actions{display:flex;gap:12px}
.btn-reset{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:14px;border:2px solid #bbf7d0;background:#fff;color:#16a34a;font-size:14px;font-weight:700;cursor:pointer;transition:all .15s}
.btn-reset:hover{background:#f0fdf4;border-color:#4ade80}
.btn-wa{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:14px;border:none;background:#25D366;color:#fff;font-size:14px;font-weight:800;cursor:pointer;box-shadow:0 3px 12px rgba(37,211,102,.4);transition:all .15s}
.btn-wa:hover{background:#1dbd57}
@media(max-width:500px){body{padding:16px 12px 50px}.total-value span:first-child{font-size:36px}.total-card{padding:18px 20px}.tab-btn{min-width:72px;padding:10px 12px}.appliance-row{padding:12px 16px}.grid-toggle{flex-direction:column}}