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

body {
font-family: Arial, Helvetica, sans-serif;
background: linear-gradient(135deg, #0f172a, #1e293b);
color: #ffffff;
min-height: 100vh;
}

.dashboard-container {
width: 100%;
max-width: 1500px;
margin: auto;
padding: 20px;
}

/* ==============================
HEADER
============================== */

.dashboard-header {
display: flex;
justify-content: space-between;
align-items: center;
gap: 20px;
margin-bottom: 20px;
padding: 20px;
border-radius: 18px;
background: rgba(255,255,255,0.08);
border: 1px solid rgba(255,255,255,0.12);
backdrop-filter: blur(10px);
}

.header-left h1 {
font-size: 26px;
margin-bottom: 8px;
}

.badge {
display: inline-block;
padding: 5px 10px;
border-radius: 20px;
background: rgba(77,150,255,0.18);
color: #7dd3fc;
font-size: 12px;
}

.status-bar {
display: flex;
align-items: center;
gap: 8px;
font-size: 13px;
color: #cbd5e1;
text-align: right;
}

.separator {
opacity: 0.4;
}

.status-dot {
width: 10px;
height: 10px;
border-radius: 50%;
display: inline-block;
}

.status-dot.online {
background: #6bcb77;
box-shadow: 0 0 10px rgba(107,203,119,0.8);
}

.status-dot.offline {
background: #ff6b6b;
box-shadow: 0 0 10px rgba(255,107,107,0.8);
}

/* ==============================
GRID
============================== */

.dashboard-grid {
display: grid;
grid-template-columns: repeat(2, minmax(0,1fr));
gap: 20px;
}

/* ==============================
CARD
============================== */

.card {
background: rgba(255,255,255,0.08);
border: 1px solid rgba(255,255,255,0.12);
border-radius: 18px;
padding: 20px;
backdrop-filter: blur(10px);
box-shadow: 0 15px 35px rgba(0,0,0,0.18);
}

.card h2 {
font-size: 20px;
margin-bottom: 18px;
}

/* ==============================
RELAY
============================== */

.relay-global-controls {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 10px;
margin-bottom: 18px;
}

.btn-relay-all {
border: none;
border-radius: 12px;
padding: 13px;
color: #ffffff;
font-weight: bold;
cursor: pointer;
transition: transform 0.15s, opacity 0.15s;
}

.btn-relay-all:hover {
transform: translateY(-2px);
}

.btn-relay-all:active {
transform: translateY(0);
}

.btn-relay-all:disabled {
opacity: 0.55;
cursor: not-allowed;
}

.btn-relay-all-on {
background: linear-gradient(135deg,#16a34a,#22c55e);
}

.btn-relay-all-off {
background: linear-gradient(135deg,#dc2626,#ef4444);
}

.relay-grid {
display: grid;
grid-template-columns: repeat(2,minmax(0,1fr));
gap: 10px;
}

.relay-item {
display: grid;
grid-template-columns: 55px 1fr 55px;
align-items: center;
gap: 8px;
padding: 12px;
border-radius: 12px;
background: rgba(15,23,42,0.65);
border: 1px solid rgba(255,255,255,0.08);
}

.channel-num {
font-size: 11px;
color: #94a3b8;
}

.relay-name {
font-size: 13px;
font-weight: bold;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}

.relay-status {
font-size: 11px;
font-weight: bold;
text-align: center;
}

.relay-status.on {
color: #6bcb77;
}

.relay-status.off {
color: #ff6b6b;
}

.btn-relay {
grid-column: 1 / -1;
border: none;
border-radius: 9px;
padding: 9px;
background: #334155;
color: #ffffff;
cursor: pointer;
font-weight: bold;
transition: 0.15s;
}

.btn-relay:hover {
background: #475569;
}

.btn-relay.active {
background: linear-gradient(135deg,#16a34a,#22c55e);
}

.btn-relay:disabled {
opacity: 0.5;
cursor: wait;
}

.loading {
grid-column: 1 / -1;
text-align: center;
padding: 30px;
color: #94a3b8;
}

/* ==============================
ELECTRIC
============================== */

.electric-grid {
display: grid;
grid-template-columns: repeat(2,1fr);
gap: 12px;
}

.electric-item {
display: grid;
grid-template-columns: 1fr auto auto;
align-items: center;
gap: 6px;
padding: 16px;
border-radius: 12px;
background: rgba(15,23,42,0.65);
border: 1px solid rgba(255,255,255,0.05);
}

.electric-label {
font-size: 13px;
color: #cbd5e1;
}

.electric-item strong {
font-size: 20px;
}

.unit {
color: #94a3b8;
font-size: 12px;
}

.sensor-info {
display: flex;
flex-wrap: wrap;
gap: 5px 8px;
margin-top: 15px;
padding: 12px;
border-radius: 10px;
background: rgba(15,23,42,0.45);
color: #94a3b8;
font-size: 11px;
}

.sensor-info strong {
color: #e2e8f0;
margin-right: 10px;
}

/* ==============================
WEATHER
============================== */

.weather-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 15px;
}

.weather-item {
padding: 18px;
border-radius: 12px;
background: rgba(15,23,42,0.65);
border: 1px solid rgba(255,255,255,0.05);
}

.sensor-value {
margin-top: 10px;
display: flex;
align-items: baseline;
gap: 5px;
}

.weather-item strong {
font-size: 28px;
}

.weather-icon {
font-size: 45px;
text-align: center;
margin-top: 15px;
}

.weather-bar {
height: 10px;
margin-top: 20px;
background: #334155;
border-radius: 10px;
overflow: hidden;
}

.weather-fill {
height: 100%;
width: 0;
border-radius: 10px;
background: linear-gradient(90deg,#4d96ff,#6bcb77);
transition: width 0.5s;
}

.humidity-status {
margin-top: 8px;
color: #94a3b8;
font-size: 12px;
}

.sensor-last-update {
margin-top: 15px;
color: #94a3b8;
font-size: 11px;
}

.sensor-last-update strong {
color: #e2e8f0;
}

/* ==============================
DOOR
============================== */

.door-control {
display: flex;
flex-direction: column;
gap: 15px;
}

.door-status {
padding: 15px;
border-radius: 12px;
background: rgba(15,23,42,0.65);
font-size: 16px;
}

.locked {
color: #ff6b6b;
font-weight: bold;
}

.unlocked {
color: #6bcb77;
font-weight: bold;
}

.btn-door {
border: none;
border-radius: 12px;
padding: 14px;
background: linear-gradient(135deg,#2563eb,#3b82f6);
color: #ffffff;
font-size: 15px;
font-weight: bold;
cursor: pointer;
}

.btn-door:hover {
opacity: 0.9;
}

.btn-door:disabled {
opacity: 0.5;
cursor: wait;
}

.door-history {
padding-top: 5px;
}

.door-history p {
margin-bottom: 10px;
}

.door-history ul {
list-style: none;
max-height: 160px;
overflow-y: auto;
}

.door-history li {
padding: 9px 0;
border-bottom: 1px solid rgba(255,255,255,0.08);
font-size: 12px;
line-height: 1.5;
}

/* ==============================
FOOTER
============================== */

.dashboard-footer {
display: flex;
justify-content: space-between;
gap: 20px;
margin-top: 20px;
padding: 15px;
color: #94a3b8;
font-size: 12px;
}

/* ==============================
RESPONSIVE
============================== */

@media (max-width:900px) {

```
.dashboard-grid {
    grid-template-columns: 1fr;
}
```

}

@media (max-width:600px) {

```
.dashboard-container {
    padding: 10px;
}

.dashboard-header {
    flex-direction: column;
    align-items: flex-start;
}

.status-bar {
    flex-wrap: wrap;
    text-align: left;
}

.relay-grid {
    grid-template-columns: 1fr;
}

.electric-grid {
    grid-template-columns: 1fr;
}

.weather-grid {
    grid-template-columns: 1fr;
}

.relay-item {
    grid-template-columns: 50px 1fr 50px;
}

.dashboard-footer {
    flex-direction: column;
}
```

}