* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
body {
    background-color: #0b0f19;
    color: #f1f5f9;
    padding: 30px;
    display: flex;
    justify-content: center;
}
#main-container {
    width: 100%;
    max-width: 1200px;
}
#dash-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #1e293b;
    padding-bottom: 15px;
    margin-bottom: 25px;
}
#dash-title {
    font-size: 1.6rem;
    font-weight: 600;
    color: #38bdf8;
    letter-spacing: 0.5px;
}
#server-time {
    font-size: 1rem;
    color: #94a3b8;
    background: #1e293b;
    padding: 6px 14px;
    border-radius: 6px;
    font-family: monospace;
    font-weight: bold;
}
#dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
#card-system, #card-gpu, #card-storage, #card-docker {
    background-color: #0f172a;
    border: 1px solid #1e293b;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 280px;
}
.card-title {
    color: #38bdf8;
    font-size: 1.15rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 18px;
    border-bottom: 1px solid #1e293b;
    padding-bottom: 10px;
}
#dashboard-grid p {
    font-size: 1rem;
    color: #cbd5e1;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#dashboard-grid strong {
    color: #ffffff;
    font-family: monospace;
    font-size: 1.05rem;
}
#cores-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-top: auto;
    padding-top: 10px;
}
.core-box {
    background-color: #1e293b;
    border: 1px solid #334155;
    padding: 6px;
    border-radius: 6px;
    text-align: center;
}
.core-name {
    display: block;
    color: #94a3b8;
    font-size: 0.7rem;
    text-transform: uppercase;
}
.core-value {
    display: block;
    font-weight: bold;
    color: #38bdf8;
    font-family: monospace;
    font-size: 0.85rem;
    margin-top: 2px;
}
.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.8rem;
    font-weight: bold;
    border-radius: 6px;
    font-family: sans-serif;
    letter-spacing: 0.5px;
    text-align: center;
    min-width: 95px;
}
.badge-checking {
    background-color: #334155;
    color: #94a3b8;
}
.badge-ok {
    background-color: #065f46;
    color: #34d399;
    border: 1px solid #047857;
}
.badge-down {
    background-color: #7f1d1d;
    color: #f87171;
    border: 1px solid #991b1b;
}
@media (max-width: 768px) {
    #dashboard-grid { grid-template-columns: 1fr; }
}