*{
    box-sizing:border-box;
}

html{
    width:100%;
    min-height:100%;
    scroll-behavior:smooth;
}

body{
    margin:0;
    padding:0;
    width:100%;
    min-height:100vh;
    background:#0f172a;
    color:#f8fafc;
    font-family:Arial, Helvetica, sans-serif;
    display:flex;
    overflow-x:hidden;
}

/* =========================
   SIDEBAR
========================= */

.sidebar{
    width:250px;
    min-height:100vh;
    flex:0 0 250px;
    background:#111827;
    display:flex;
    flex-direction:column;
    justify-content:space-between;
    border-right:1px solid rgba(255,255,255,0.08);
}

.logo{
    padding:28px 24px 12px;
}

.logo h1{
    margin:0;
    font-size:28px;
    letter-spacing:1px;
}

.logo p{
    margin:6px 0 0;
    color:#94a3b8;
    font-size:13px;
}

.status-box{
    margin:18px;
    background:#0f172a;
    border:1px solid rgba(255,255,255,0.08);
    border-radius:14px;
    padding:14px;
    display:flex;
    flex-direction:column;
    gap:7px;
    color:#00ffcc;
    font-size:13px;
}

.status-box small{
    color:#94a3b8;
    font-size:12px;
}

.status-dot{
    width:10px;
    height:10px;
    border-radius:50%;
    background:#00ffcc;
    box-shadow:0 0 10px #00ffcc;
    animation:pulse 1.5s infinite;
}

@keyframes pulse{
    0%{opacity:.5;}
    50%{opacity:1;}
    100%{opacity:.5;}
}

.menu{
    display:flex;
    flex-direction:column;
    gap:8px;
    padding:16px 18px;
}

.menu a{
    text-decoration:none;
    color:#e5e7eb;
    background:#1e293b;
    padding:13px 14px;
    border-radius:11px;
    transition:.25s ease;
    font-size:14px;
    border:1px solid transparent;
}

.menu a:hover{
    background:#273449;
    border-color:rgba(37,99,235,.35);
    transform:translateX(3px);
}

.footer-text{
    padding:18px;
    color:#64748b;
    font-size:12px;
}

/* =========================
   MAIN CONTENT
========================= */

.main-content{
    flex:1;
    min-width:0;
    padding:28px;
    overflow-x:hidden;
}

.page-card{
    width:100%;
    background:#111827;
    border-radius:18px;
    padding:26px;
    border:1px solid rgba(255,255,255,.08);
}

/* =========================
   FORMS
========================= */

input,
select,
textarea{
    width:100%;
    max-width:100%;
    padding:13px 14px;
    border:1px solid rgba(255,255,255,.07);
    border-radius:10px;
    background:#1e293b;
    color:#fff;
    margin-top:8px;
    outline:none;
    font:inherit;
}

input:focus,
select:focus,
textarea:focus{
    border-color:#2563eb;
}

label{
    display:block;
    margin-top:15px;
    margin-bottom:5px;
    color:#94a3b8;
    font-size:14px;
}

button,
.btn{
    border:none;
    padding:12px 18px;
    border-radius:10px;
    background:#2563eb;
    color:#fff;
    cursor:pointer;
    text-decoration:none;
    display:inline-block;
    transition:.25s ease;
    font-size:14px;
}

button:hover,
.btn:hover{
    opacity:.92;
    transform:translateY(-1px);
}

/* =========================
   TABLES
========================= */

table{
    width:100%;
    border-collapse:collapse;
    margin-top:20px;
}

table th{
    background:#1e293b;
    padding:13px;
    text-align:left;
    font-size:13px;
    white-space:nowrap;
}

table td{
    padding:13px;
    border-bottom:1px solid rgba(255,255,255,.05);
    font-size:13px;
}

.table-container{
    width:100%;
    overflow-x:auto;
}

/* =========================
   CARDS
========================= */

.card-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:18px;
    margin-bottom:28px;
}

.stat-card{
    background:#111827;
    border-radius:18px;
    padding:22px;
    border:1px solid rgba(255,255,255,.08);
    min-width:0;
}

.stat-card h2{
    margin:0;
    font-size:28px;
}

.stat-card p{
    color:#94a3b8;
    margin-top:8px;
}

.activity-box{
    background:#111827;
    border-radius:18px;
    padding:22px;
    border:1px solid rgba(255,255,255,.08);
}

.activity-item{
    padding:14px 0;
    border-bottom:1px solid rgba(255,255,255,.05);
}

.success-box{
    background:#052e16;
    color:#4ade80;
    padding:14px;
    border-radius:10px;
    margin-bottom:18px;
}

img{
    max-width:100%;
    height:auto;
}

/* =========================
   MEDIUM SCREENS
========================= */

@media (max-width:1000px){

    .sidebar{
        width:215px;
        flex-basis:215px;
    }

    .main-content{
        padding:20px;
    }

    .page-card{
        padding:22px;
    }

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

/* =========================
   MOBILE
========================= */

@media (max-width:700px){

    body{
        display:block;
    }

    .sidebar{
        width:100%;
        min-height:auto;
        flex:none;
        border-right:none;
        border-bottom:1px solid rgba(255,255,255,.08);
    }

    .logo{
        padding:18px 18px 8px;
    }

    .logo h1{
        font-size:22px;
    }

    .logo p{
        font-size:12px;
    }

    .status-box{
        margin:12px 18px;
        padding:11px;
    }

    .menu{
        display:grid;
        grid-template-columns:repeat(2,minmax(0,1fr));
        gap:8px;
        padding:10px 18px 16px;
    }

    .menu a{
        padding:11px 10px;
        font-size:13px;
        text-align:center;
    }

    .menu a:hover{
        transform:none;
    }

    .footer-text{
        display:none;
    }

    .main-content{
        width:100%;
        padding:14px;
    }

    .page-card{
        padding:16px;
        border-radius:14px;
    }

    input,
    select,
    textarea{
        padding:12px;
        font-size:14px;
    }

    button,
    .btn{
        width:100%;
        text-align:center;
        padding:12px 14px;
    }

    .card-grid{
        grid-template-columns:1fr;
        gap:12px;
    }

    .stat-card{
        padding:18px;
    }

    .stat-card h2{
        font-size:24px;
    }

    table{
        min-width:650px;
    }

    .table-container{
        overflow-x:auto;
        -webkit-overflow-scrolling:touch;
    }
}

/* =========================
   SMALL PHONES
========================= */

@media (max-width:420px){

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

    .main-content{
        padding:10px;
    }

    .page-card{
        padding:13px;
    }

    .logo{
        padding-left:14px;
        padding-right:14px;
    }

    .status-box{
        margin-left:14px;
        margin-right:14px;
    }

    .menu{
        padding-left:14px;
        padding-right:14px;
    }
}