:root {
    --header-bg: #082b40;
    --page-bg: #043852;
    --card-bg: rgba(8, 43, 64, 0.6);
    --border-color: #40748A;
    --accent-cyan: #00c9ff;
    --status-green: #4caf50;
    --status-red: #ff5252;
    --text-main: #ffffff;
    --text-dim: #A2B9C4;
}

body {
    margin: 0;
    background-color: var(--page-bg);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: var(--header-bg);
    height: 50px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 10;
}

.header-text {
    font-size: 13px;
    letter-spacing: 0.7px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-left: 15px;
}

main {
    flex: 1;
    display: flex;
    justify-content: center;
    padding-top: 100px;
}

.status-card {
    width: 90%;
    max-width: 600px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 30px;
}

.row {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid rgba(64, 116, 138, 0.2);
}

.status-ok { color: var(--status-green); font-weight: 800; font-size: 12px; }
.status-err { color: var(--status-red); font-weight: 800; font-size: 12px; }