*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial, sans-serif;
}


:root{
--primary:#3b82f6;
--secondary:#6366f1;
--accent:#8b5cf6;

--bg-light:#f4f6fb;
--bg-dark:#000;

--card-light:#ffffff;
--card-dark:#111;

--text-light:#111;
--text-dark:#fff;
}


body{
background:var(--bg-light);
color:var(--text-light);
}

body.dark{
background:var(--bg-dark);
color:var(--text-dark);
}


.dashboard{
display:flex;
}


.sidebar{
width:270px;
background:linear-gradient(180deg,var(--primary),var(--secondary));
color:white;
height:100vh;
padding:20px;
position:fixed;
left:0;
top:0;
}

.sidebar h2{
margin-bottom:30px;
}

.sidebar a{
display:block;
padding:10px;
color:white;
text-decoration:none;
border-radius:6px;
margin-bottom:8px;
transition:0.2s;
}

.sidebar a:hover{
background:rgba(255,255,255,0.2);
}

body.dark .sidebar{
background:#020617;
}


.container{
padding:30px;
margin-left:260px;
}


.page-title{
margin-bottom:25px;
font-size:26px;
font-weight:600;
}


button{
background:linear-gradient(135deg,var(--primary),var(--secondary));
color:white;
border:none;
border-radius:10px;
padding:10px 16px;
cursor:pointer;
transition:0.3s;
}

button:hover{
transform:translateY(-2px);
box-shadow:0 6px 15px rgba(0,0,0,0.2);
}


.analytics-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:20px;
margin-bottom:20px;
}


.analytics-card{
background:var(--card-light);
padding:25px;
border-radius:12px;
box-shadow:0 6px 16px rgba(0,0,0,0.08);
transition:0.2s;
}

.analytics-card:hover{
transform:translateY(-3px);
}

.analytics-card h4{
margin-bottom:10px;
color:#64748b;
}

.analytics-card p{
font-size:22px;
font-weight:bold;
}


.card{
background:var(--card-light);
padding:25px;
border-radius:12px;
margin-bottom:25px;
box-shadow:0 6px 16px rgba(0,0,0,0.08);
transition:0.2s;
}

.card:hover{
transform:translateY(-2px);
}


.device-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
gap:15px;
}

.device-card{
background:var(--card-light);
padding:15px;
border-radius:10px;
box-shadow:0 2px 8px rgba(0,0,0,0.1);
}


.leaderboard{
background:var(--card-light);
padding:15px;
border-radius:10px;
}


body.dark .analytics-card,
body.dark .card,
body.dark .device-card,
body.dark .leaderboard{
background:var(--card-dark);
color:var(--text-dark);
}


input{
padding:10px;
border-radius:8px;
border:1px solid #ddd;
}

body.dark input{
background:#111;
border:1px solid #333;
color:white;
}


.theme-toggle{
position:fixed;
top:20px;
right:20px;
padding:10px 15px;
border:none;
background:var(--primary);
color:white;
border-radius:8px;
cursor:pointer;
z-index:1000;
}



.home-page{
display:flex;
justify-content:center;
align-items:center;
min-height:100vh;


background:linear-gradient(270deg,#2563eb,#4f46e5,#7c3aed,#2563eb);
background-size:400% 400%;
animation:gradientFlow 14s ease infinite;

color:white;
overflow:hidden;
position:relative;
}

@keyframes gradientFlow{
0%{background-position:0% 50%;}
50%{background-position:100% 50%;}
100%{background-position:0% 50%;}
}


.home-page::before{
content:"";
position:absolute;
width:600px;
height:600px;
background:#7c3aed;
top:-120px;
left:-120px;
filter:blur(140px);
opacity:0.35;
animation:floatBlob 14s ease-in-out infinite;
z-index:0;
}


.home-page::after{
content:"";
position:absolute;
width:700px;
height:700px;
top:50%;
left:50%;
transform:translate(-50%,-50%);

background:radial-gradient(circle,
rgba(139,92,246,0.35),
rgba(99,102,241,0.2),
transparent 70%);

filter:blur(80px);
z-index:1;
}

@keyframes floatBlob{
0%,100%{transform:translate(0,0);}
50%{transform:translate(80px,-60px);}
}



.particles{
position:absolute;
width:100%;
height:100%;
top:0;
left:0;
z-index:1;
pointer-events:none;
}

.particles::before{
content:"";
position:absolute;
width:100%;
height:100%;

background:
radial-gradient(4px 4px at 10% 20%, white, transparent),
radial-gradient(4px 4px at 20% 80%, #c7d2fe, transparent),
radial-gradient(4px 4px at 30% 40%, white, transparent),
radial-gradient(4px 4px at 40% 70%, #93c5fd, transparent),
radial-gradient(4px 4px at 50% 10%, white, transparent),
radial-gradient(4px 4px at 60% 60%, #ddd6fe, transparent),
radial-gradient(4px 4px at 70% 30%, white, transparent),
radial-gradient(4px 4px at 80% 75%, #a5b4fc, transparent),
radial-gradient(4px 4px at 90% 20%, white, transparent);

animation:floatParticles 6s linear infinite;
opacity:1;
}

@keyframes floatParticles{
0%{transform:translateY(0);}
100%{transform:translateY(-60px);}
}



.energy-lines{
position:absolute;
width:100%;
height:100%;
top:0;
left:0;
z-index:1;
pointer-events:none;
overflow:hidden;
}

.energy-lines::before,
.energy-lines::after{
content:"";
position:absolute;
width:200%;
height:4px;

background:linear-gradient(90deg,
transparent,
#60a5fa,
#8b5cf6,
#c084fc,
#60a5fa,
transparent);

animation:moveLines 3s linear infinite;
opacity:1;

filter:
blur(1px)
drop-shadow(0 0 10px #8b5cf6)
drop-shadow(0 0 20px #6366f1);
}

.energy-lines::before{
top:30%;
}

.energy-lines::after{
top:70%;
animation-delay:1.5s;
}

@keyframes moveLines{
0%{transform:translateX(-50%);}
100%{transform:translateX(50%);}
}



.grid-overlay{
position:absolute;
width:100%;
height:100%;
top:0;
left:0;
z-index:1;
pointer-events:none;

background:
linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);

background-size:50px 50px;
}


.home-container{
position:relative;
z-index:2;

text-align:center;
display:flex;
flex-direction:column;
align-items:center;
gap:25px;
max-width:500px;

padding:45px;
border-radius:22px;

background:rgba(255,255,255,0.14);
backdrop-filter:blur(30px);

border:1px solid rgba(255,255,255,0.25);

box-shadow:
0 0 80px rgba(99,102,241,0.35),
0 30px 80px rgba(0,0,0,0.6);

animation:fadeInUp 0.8s ease;
}

@keyframes fadeInUp{
from{
opacity:0;
transform:translateY(25px);
}
to{
opacity:1;
transform:translateY(0);
}
}


.logo{
width:90px;
margin-bottom:10px;
animation:floatLogo 4s ease-in-out infinite;
filter:drop-shadow(0 10px 25px rgba(0,0,0,0.4));
}

@keyframes floatLogo{
0%{transform:translateY(0);}
50%{transform:translateY(-10px);}
100%{transform:translateY(0);}
}



.home-container h1{
font-size:36px;
font-weight:800;
letter-spacing:1px;

background:linear-gradient(90deg,#ffffff,#c7d2fe,#a5b4fc);
-webkit-background-clip:text;
-webkit-text-fill-color:transparent;

text-shadow:0 5px 20px rgba(255,255,255,0.3);
}

.home-container h2{
font-size:22px;
opacity:0.9;
}


.role-buttons{
display:flex;
gap:20px;
margin-top:20px;
}

.role-buttons button{
padding:16px 32px;
border-radius:16px;

background:rgba(255,255,255,0.12);
backdrop-filter:blur(10px);
border:1px solid rgba(255,255,255,0.25);

color:white;
font-weight:600;

transition:all 0.3s ease;
position:relative;
overflow:hidden;
}

.role-buttons button::before{
content:"";
position:absolute;
width:100%;
height:100%;
top:0;
left:-100%;
background:linear-gradient(120deg,transparent,rgba(255,255,255,0.4),transparent);
transition:0.5s;
}

.role-buttons button:hover::before{
left:100%;
}

.role-buttons button:hover{
transform:translateY(-5px) scale(1.05);
box-shadow:0 12px 35px rgba(0,0,0,0.4);
background:rgba(255,255,255,0.2);
}


body.dark.home-page{
background:linear-gradient(270deg,#020617,#000,#020617);
background-size:400% 400%;
animation:gradientFlow 18s ease infinite;
}

body.dark .home-container{
background:rgba(0,0,0,0.45);
border:1px solid rgba(255,255,255,0.1);
}


.login-container{
display:flex;
height:100vh;
position:relative;
overflow:hidden;
}



.login-container::before{
content:"";
position:absolute;
width:100%;
height:100%;

background:linear-gradient(270deg,#2563eb,#4f46e5,#7c3aed,#2563eb);
background-size:400% 400%;
animation:gradientFlow 14s ease infinite;

z-index:0;
}

@keyframes gradientFlow{
0%{background-position:0% 50%;}
50%{background-position:100% 50%;}
100%{background-position:0% 50%;}
}


.login-container::after{
content:"";
position:absolute;
width:600px;
height:600px;
top:50%;
left:50%;
transform:translate(-50%,-50%);

background:radial-gradient(circle,
rgba(139,92,246,0.35),
rgba(99,102,241,0.2),
transparent 70%);

filter:blur(80px);
z-index:0;
}



.login-left{
flex:1;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
text-align:center;
padding:40px;
color:white;
z-index:1;
}

.login-left h1{
font-size:34px;
font-weight:800;

background:linear-gradient(90deg,#fff,#c7d2fe);
-webkit-background-clip:text;
-webkit-text-fill-color:transparent;
}

.login-left p{
opacity:0.8;
margin-top:10px;
}


.login-right{
flex:1;
display:flex;
justify-content:center;
align-items:center;
z-index:1;
}



.login-box{
padding:45px;
border-radius:20px;
width:340px;

display:flex;
flex-direction:column;
gap:18px;


background:rgba(255,255,255,0.12);
backdrop-filter:blur(25px);

border:1px solid rgba(255,255,255,0.25);


box-shadow:
0 0 60px rgba(99,102,241,0.3),
0 20px 60px rgba(0,0,0,0.5);

color:white;
}



.login-box input{
padding:14px;
border-radius:10px;

border:1px solid rgba(255,255,255,0.2);
background:rgba(255,255,255,0.1);
color:white;

outline:none;
transition:0.3s;
}

.login-box input::placeholder{
color:rgba(255,255,255,0.6);
}

.login-box input:focus{
border:1px solid #8b5cf6;
box-shadow:0 0 10px rgba(139,92,246,0.6);
}



.login-box button{
padding:14px;
border-radius:12px;

background:linear-gradient(135deg,#3b82f6,#8b5cf6);
border:none;
color:white;
font-weight:600;

cursor:pointer;
transition:0.3s;
}

.login-box button:hover{
transform:translateY(-3px);
box-shadow:0 10px 25px rgba(0,0,0,0.4);
}



body.dark .login-box{
background:rgba(0,0,0,0.45);
border:1px solid rgba(255,255,255,0.1);
}



@media(max-width:768px){

.login-container{
flex-direction:column;
}

.login-left{
height:35%;
}

.login-right{
height:65%;
}

.login-box{
width:90%;
}

}



body:not(.home-page):not(.login-page){
background:linear-gradient(180deg,#f8fafc,#eef2ff);
}

body.dark:not(.home-page):not(.login-page){
background:#000;
}


.analytics-card,
.card{
backdrop-filter:blur(10px);
border:1px solid rgba(255,255,255,0.1);
}


.analytics-card:hover{
box-shadow:0 10px 30px rgba(59,130,246,0.25);
}


.sidebar{
box-shadow:4px 0 20px rgba(0,0,0,0.2);
}


button{
font-weight:600;
letter-spacing:0.5px;
}


.device-card{
transition:0.25s;
}

.device-card:hover{
transform:scale(1.03);
}


.chart-container{
position:relative;
width:100%;
height:600px;
margin-top:10px;
}

canvas{
width:100% !important;
height:100% !important;
border-radius:12px;
}
body.dark canvas{
background:#111;
}


.device-controls{
display:flex;
gap:10px;
margin-top:10px;
}


.device-controls button:first-child{
background:#22c55e;
}

.device-controls button:last-child{
background:#ef4444;
}


.status{
font-weight:bold;
margin-top:5px;
}

.status.on{
color:#22c55e;
}

.status.off{
color:#ef4444;
}

.timer{
font-size:14px;
opacity:0.8;
}
#challenge{
line-height:1.6;
font-size:14px;
}

#challenge strong{
color:#22c55e;
font-size:16px;
}





.container{
margin-left:270px;
width:calc(100% - 270px);
display:flex;
flex-direction:column;
gap:20px;
}


.analytics-grid{
width:100%;
}


.analytics-card,
.card{
width:100%;
}


.dashboard{
display:flex;
width:100%;
}


.container > *{
width:100%;
}


.container{
margin-left:270px;
width:calc(100% - 270px);
}


.analytics-grid{
width:100%;
}


.analytics-card,
.card{
width:100%;
background:var(--card-light);
}


body.dark .analytics-card,
body.dark .card{
background:var(--card-dark);
}


h3{
margin-bottom:10px;
color:var(--primary);
}

body.dark h3{
color:var(--accent);
}


.card p,
.analytics-card p{
color:inherit;
}


.sidebar a{
font-weight:500;
}

.sidebar a:hover{
background:rgba(255,255,255,0.25);
}


html{
scroll-behavior:smooth;
}


button{
background:linear-gradient(135deg,var(--primary),var(--secondary));
}


canvas{
background:var(--card-light);
}

body.dark canvas{
background:var(--card-dark);
}


.device-controls button:first-child,
#facility button:first-of-type{
background:#22c55e !important;
}


.device-controls button:last-child,
#facility button:last-of-type{
background:#ef4444 !important;
}






#userList div{
display:grid;
grid-template-columns: 1fr 120px 120px 120px;
align-items:center;
gap:10px;
margin-bottom:10px;
padding:10px;
background:rgba(0,0,0,0.03);
border-radius:8px;
}

body.dark #userList div{
background:rgba(255,255,255,0.05);
}

#deviceList div{
display:grid;
grid-template-columns: 1fr 120px;
align-items:center;
gap:10px;
margin-bottom:10px;
padding:10px;
background:rgba(0,0,0,0.03);
border-radius:8px;
}

body.dark #deviceList div{
background:rgba(255,255,255,0.05);
}

.card input,
.card select{
margin-right:10px;
}


.card input,
.card select,
.card button{
margin-top:10px;
}


.card button{
min-width:100px;
}


.device-controls button:first-child{
background:#22c55e !important;
}

.device-controls button:last-child{
background:#ef4444 !important;
}


#userList button,
#deviceList button{
background:#ef4444;
}

#userList button:hover,
#deviceList button:hover{
background:#dc2626;
}




#adminChart{
width:100% !important;
max-height:600px;
}

#analytics{
display:flex;
flex-direction:column;
gap:20px;
}

#analytics select{
width:120px;
}



.badge-img{
width:90px;
display:block;
margin:auto;

mix-blend-mode:multiply; 
background:transparent;
}