:root {
    color-scheme: dark;
    font-family: "Courier New", Courier, monospace;
    background: #07110d;
    color: #d7f7df;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(68, 255, 154, 0.08), transparent 30rem),
        #07110d;
    color: #d7f7df;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px);
    background-size: 100% 4px;
    opacity: 0.45;
}

.observatory-shell {
    width: min(1100px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 2rem 0 3rem;
}

.masthead,
.section-heading {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    align-items: flex-end;
}

.masthead {
    padding: 1.25rem 0 1.75rem;
    border-bottom: 1px solid #244936;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 0.5rem;
    font-size: clamp(2rem, 6vw, 4rem);
    line-height: 0.95;
    letter-spacing: -0.05em;
    color: #f0fff4;
}

h2 {
    margin-bottom: 0;
    font-size: 1.4rem;
    color: #effff3;
}

.eyebrow,
.metric-label,
.status-label,
.privacy-note,
footer {
    color: #74c991;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
}

.subtitle {
    max-width: 48rem;
    margin-bottom: 0;
    color: #9fc7aa;
    line-height: 1.6;
}

.status-panel {
    min-width: 15rem;
    padding: 1rem;
    border: 1px solid #2c6746;
    background: rgba(10, 32, 22, 0.72);
    box-shadow: 0 0 24px rgba(75, 255, 148, 0.05) inset;
}

.status-label,
.status-value {
    display: block;
}

.status-value {
    margin-top: 0.35rem;
    color: #8dffad;
    font-size: 1.35rem;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.metric-card {
    padding: 1rem;
    border: 1px solid #214c35;
    background: rgba(8, 27, 18, 0.72);
}

.metric-label,
.metric-value,
.metric-unit {
    display: block;
}

.metric-value {
    margin: 0.35rem 0 0.2rem;
    font-size: 2rem;
    color: #f0fff4;
}

.metric-unit {
    color: #8eaf98;
    font-size: 0.8rem;
}

.activity-panel {
    border: 1px solid #214c35;
    background: rgba(5, 18, 12, 0.78);
}

.section-heading {
    padding: 1rem;
    border-bottom: 1px solid #214c35;
}

.section-heading .eyebrow {
    margin-bottom: 0.25rem;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

th,
td {
    padding: 0.8rem 1rem;
    text-align: left;
    white-space: nowrap;
    border-bottom: 1px solid #173725;
}

th {
    color: #89d7a2;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: #0a1d14;
}

tbody tr:hover {
    background: rgba(83, 255, 144, 0.045);
}

td:nth-child(4),
td:nth-child(5) {
    color: #b6ffca;
}

.event-row {
    cursor: pointer;
}

.event-row:focus {
    outline: 1px solid #65d88a;
    outline-offset: -2px;
}

.event-row[aria-expanded="true"] {
    background: rgba(83, 255, 144, 0.07);
}

.event-detail-row td {
    padding: 0;
    white-space: normal;
    background: #08170f;
}

.event-detail {
    display: flex;
    gap: 1rem;
    align-items: baseline;
    padding: 0.8rem 1rem 1rem;
    color: #b7d9c0;
}

.detail-label {
    flex: 0 0 auto;
    color: #74c991;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.72rem;
}

.event-detail code {
    color: #e6ffed;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

footer {
    padding-top: 1.5rem;
    text-align: center;
    color: #57846a;
}

@media (max-width: 760px) {
    .observatory-shell {
        width: min(100% - 1rem, 1100px);
        padding-top: 0.5rem;
    }

    .masthead,
    .section-heading {
        align-items: stretch;
        flex-direction: column;
        gap: 1rem;
    }

    .status-panel {
        min-width: 0;
    }

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

    th,
    td {
        padding: 0.7rem;
    }

    .event-detail {
        flex-direction: column;
        gap: 0.35rem;
    }
}