*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#f1f5f9;--surface:#fff;--ink:#0f172a;--muted:#64748b;--faint:#94a3b8;--line:#e2e8f0;
--brand:#0284c7;--brand2:#0ea5e9;--green:#16a34a;--blue:#2563eb;--amber:#d97706;--red:#dc2626;--purple:#7c3aed;
--shadow:0 1px 3px rgba(15,23,42,.06),0 1px 2px rgba(15,23,42,.04)}
body{font-family:'Inter',system-ui,'Segoe UI',sans-serif;background:var(--bg);color:var(--ink);min-height:100vh;font-size:14px}
a{text-decoration:none;color:inherit}
.muted{color:var(--muted)}.small{font-size:12px}
h1,h2,h3{font-weight:700}h2{font-size:19px}h3{font-size:15px;margin-bottom:12px}

/* login */
.login-bg{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#e0f2fe,#f1f5f9);padding:20px}
.login-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:36px;width:380px;max-width:100%;box-shadow:0 20px 50px rgba(2,132,199,.1);text-align:center}
.login-logo{width:62px;height:62px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:flex;align-items:center;justify-content:center;color:#fff;font-size:28px;margin:0 auto 14px}
.login-card h1{font-size:22px}.login-card label{display:block;text-align:left;font-size:12px;color:var(--muted);margin:14px 0 5px;font-weight:600}
.login-card input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:14px}
.login-card input:focus{outline:none;border-color:var(--brand)}
.alert{padding:10px 14px;border-radius:10px;font-size:13px;margin-bottom:8px}.alert.err{background:#fef2f2;color:var(--red);border:1px solid #fecaca}

/* layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:248px;background:var(--surface);border-right:1px solid var(--line);position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;z-index:50}
.brand{display:flex;align-items:center;gap:11px;padding:18px 20px;border-bottom:1px solid var(--line)}
.brand .logo{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px}
.brand h1{font-size:15px}.brand span{font-size:11px;color:var(--muted)}
.sidebar nav{padding:12px;flex:1;overflow:auto}
.sidebar nav a{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:10px;color:var(--muted);font-weight:500;margin-bottom:3px}
.sidebar nav a i{width:18px;text-align:center}
.sidebar nav a:hover{background:#f1f5f9;color:var(--ink)}
.sidebar nav a.active{background:#e0f2fe;color:var(--brand);font-weight:600}
.side-foot{padding:14px;border-top:1px solid var(--line)}
.me{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:13px}.me i{font-size:26px;color:var(--faint)}.me span{display:block}
.content{margin-left:248px;flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:none}
.main{padding:24px;max-width:1280px;width:100%;margin:0 auto}

.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px;flex-wrap:wrap}

/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.stat{display:flex;align-items:center;gap:14px}
.stat-ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0}
.stat-ic.blue{background:#dbeafe;color:var(--blue)}.stat-ic.green{background:#dcfce7;color:var(--green)}
.stat-ic.amber{background:#fef3c7;color:var(--amber)}.stat-ic.red{background:#fee2e2;color:var(--red)}
.stat-val{font-size:24px;font-weight:800}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}

.cc-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}
.cc-name{font-weight:700;display:flex;align-items:center;gap:7px}
.cc-metrics{display:flex;flex-direction:column;gap:7px}
.mrow{display:flex;justify-content:space-between;font-size:13px}.mrow span{color:var(--muted)}
.util{height:7px;background:#eef2f7;border-radius:5px;overflow:hidden;margin-top:6px}
.util-bar{height:100%;background:linear-gradient(90deg,var(--green),#4ade80);transition:width .6s}
.kv{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:13px}.kv:last-child{border:0}.kv span{color:var(--muted)}
a.card{display:block;color:inherit}

/* card title */
.card-title{display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:700;margin-bottom:16px}
.card-title span{display:flex;align-items:center;gap:8px}.card-title i{color:var(--brand)}

/* power flow */
.flow{display:flex;flex-direction:column;gap:18px;align-items:center;padding:6px 0}
.flow-row{display:flex;align-items:center;justify-content:center;gap:16px;width:100%;flex-wrap:wrap}
.node{text-align:center;min-width:88px}
.node .iw{width:54px;height:54px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:21px;margin:0 auto 6px}
.iw.solar{background:#fef3c7;color:#d97706}.iw.grid{background:#dbeafe;color:#2563eb}.iw.home{background:#dcfce7;color:#16a34a}.iw.batt{background:#ede9fe;color:#7c3aed}.iw.inv{background:#cffafe;color:#0891b2}
.node .nm{font-size:11px;color:var(--muted);margin-bottom:2px}.node .v{font-size:15px;font-weight:700}
.arrow{color:var(--faint);font-size:18px;display:flex}.arrow.on{color:var(--green)}
.arrow.on i{animation:flow 1.2s linear infinite}@keyframes flow{0%{opacity:.25;transform:translateX(-3px)}50%{opacity:1}100%{opacity:.25;transform:translateX(3px)}}

/* tiles / env / info */
.tiles{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.tile{background:#f8fafc;border:1px solid var(--line);border-radius:11px;padding:12px}
.tile .l{font-size:10px;color:var(--muted);margin-bottom:4px}.tile .v{font-size:16px;font-weight:700}
.env{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.env .e{text-align:center;background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:14px}
.env .e .i{font-size:24px;margin-bottom:6px}.env .e .v{font-size:18px;font-weight:800}.env .e .v small{font-size:11px;color:var(--faint)}.env .e .c{font-size:10px;color:var(--muted)}
.info{display:flex;flex-direction:column}
.info .r{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px}.info .r:last-child{border:0}.info .r span{color:var(--muted)}

/* badges */
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:700}
.badge.green{background:#dcfce7;color:var(--green)}.badge.red{background:#fee2e2;color:var(--red)}
.badge.amber{background:#fef3c7;color:var(--amber)}.badge.blue{background:#dbeafe;color:var(--blue)}
.badge.gray{background:#f1f5f9;color:var(--muted)}.badge.purple{background:#ede9fe;color:var(--purple)}
.badge.live::before{content:'';width:7px;height:7px;border-radius:50%;background:currentColor;animation:beat 1.5s infinite}
@keyframes beat{0%,100%{opacity:1}50%{opacity:.3}}
.dot-badge{background:var(--red);color:#fff;font-size:10px;font-weight:700;border-radius:20px;padding:1px 7px;margin-left:auto}

/* tables */
.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--faint);padding:8px 10px;border-bottom:1px solid var(--line)}
.tbl td{padding:11px 10px;border-bottom:1px solid var(--line);font-size:13px}.tbl tr:last-child td{border:0}
.medal1{color:#eab308}.medal2{color:#94a3b8}.medal3{color:#d97706}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit}
.btn:hover{border-color:var(--brand);color:var(--brand)}
.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn.primary:hover{filter:brightness(.95);color:#fff}
.btn.danger{color:var(--red);border-color:#fecaca}.btn.small{padding:6px 11px;font-size:12px}.btn.block{width:100%;justify-content:center}

/* forms */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.form-grid label{display:block;font-size:12px;color:var(--muted);font-weight:600}
.form-grid input,.form-grid select{width:100%;margin-top:5px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:13px;font-family:inherit}
.form-grid button{grid-column:1/-1;justify-self:start}
input:focus,select:focus{outline:none;border-color:var(--brand)}
input[type=file]{width:100%;padding:9px;border:1px dashed var(--line);border-radius:9px;background:#f8fafc}

/* task/photos */
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.photo-grid img{width:100%;height:120px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.audit{display:flex;align-items:center;gap:14px;margin-bottom:8px}.score{font-size:14px}
.row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:12px}

/* notifications */
.notif-list{display:flex;flex-direction:column}
.notif{display:flex;align-items:center;gap:12px;padding:12px 4px;border-bottom:1px solid var(--line)}
.notif:last-child{border:0}.notif i{width:34px;height:34px;border-radius:9px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;color:var(--brand);flex-shrink:0}
.notif.unread{background:#f0f9ff;border-radius:8px}.nt{font-weight:600}

/* whatsapp */
.qr{width:280px;max-width:80vw;border:1px solid var(--line);border-radius:12px;margin:10px auto;display:block}
.wa-ok{font-size:54px;color:var(--green);margin:6px}
.steps{text-align:left;max-width:300px;margin:14px auto;color:var(--muted);font-size:13px}.steps li{margin:5px 0}
.spinner{width:40px;height:40px;border:4px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite;margin:14px auto}
@keyframes spin{to{transform:rotate(360deg)}}

.scrim{display:none;position:fixed;inset:0;background:rgba(15,23,42,.4);z-index:45}.scrim.show{display:block}
@media(max-width:1024px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){
 .sidebar{transform:translateX(-100%);transition:.25s;box-shadow:0 0 40px rgba(0,0,0,.15)}.sidebar.open{transform:translateX(0)}
 .content{margin-left:0}.topbar{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
 .hamb{background:none;border:0;font-size:20px;cursor:pointer;color:var(--ink)}.tb-title{font-weight:700}.tb-bell{margin-left:auto;position:relative;font-size:18px;color:var(--muted)}
 .grid-2,.form-grid{grid-template-columns:1fr}.main{padding:16px}.tiles,.env{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){.stat-grid{grid-template-columns:1fr}}