/* Astronomical Alerts */

.alerts-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.alert-filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.alert-filter {
    appearance: none;
    border: 1px solid #dce3e9;
    background: #fff;
    color: #172333;
    padding: 8px 13px;
    border-radius: 999px;
    font: inherit;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}

.alert-filter:hover,
.alert-filter.active {
    background: #172333;
    border-color: #172333;
    color: #fff;
}

.alerts-updated {
    margin: 0;
    color: var(--light-muted);
    font-size: 12px;
}

.alerts-list {
    display: grid;
    gap: 14px;
    max-width: 900px;
}

.alert-card {
    padding: 24px 26px;
    border: 1px solid #dce3e9;
    border-radius: 10px;
    background: #fff;
}

.alert-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 10px;
}

.alert-card-top time {
    color: var(--light-muted);
    font-size: 12px;
}

.alert-card h3 {
    margin-bottom: 6px;
    font-size: 23px;
}

.alert-meta {
    margin: 0 0 12px;
    color: var(--light-muted);
    font-size: 13px;
}

.alert-type {
    display: inline-block;
    padding: 4px 9px;
    border-radius: 999px;
    background: #e8eef4;
    color: #285f8f;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.alert-type-transient {
    background: #edf2f6;
}

.alert-type-nova {
    background: #e7eef7;
}

.alert-type-supernova {
    background: #e9edf4;
}

.alert-type-comet {
    background: #edf3ef;
    color: #38624b;
}

.alert-empty,
.alert-loading {
    padding: 35px;
    border: 1px dashed #b9c6d2;
    border-radius: 10px;
    background: #edf2f6;
    color: var(--light-muted);
}

.alert-loading {
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid #c9d5df;
    border-top-color: #285f8f;
    border-radius: 50%;
    animation: alert-spin .8s linear infinite;
}

@keyframes alert-spin {
    to { transform: rotate(360deg); }
}

.alerts-source {
    max-width: 900px;
    margin-top: 35px;
    padding-top: 20px;
    border-top: 1px solid #dce3e9;
}

.alerts-source p {
    margin: 0 0 8px;
    color: var(--light-muted);
    font-size: 12px;
}

.alerts-source a {
    color: #285f8f;
    font-weight: 600;
}

@media (max-width: 700px) {
    .alert-card-top {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }

    .alerts-toolbar {
        align-items: flex-start;
        flex-direction: column;
    }
}

/* ============================================================
   COBS — Recent Comet Observations
   ============================================================ */

.cobs-section {
    padding-top: 20px;
}

.cobs-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.cobs-list {
    display: grid;
    gap: 14px;
    max-width: 900px;
}

.cobs-card {
    padding: 24px 26px;
    border: 1px solid #dce3e9;
    border-radius: 10px;
    background: #fff;
}

.cobs-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 10px;
}

.cobs-card-top time {
    color: var(--light-muted);
    font-size: 12px;
}

.cobs-card h3 {
    margin-bottom: 6px;
    font-size: 23px;
}

.cobs-meta {
    margin: 0 0 12px;
    color: var(--light-muted);
    font-size: 13px;
    line-height: 1.6;
}

.cobs-card .text-link {
    color: #285f8f;
    font-weight: 600;
}

@media (max-width: 700px) {

    .cobs-card-top {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }

}

/* ============================================================
   ESA NEOCC — Imminent Impactors
   ============================================================ */

.esa-section {

    padding-top: 20px;

}

.esa-toolbar {

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 20px;

    margin-bottom: 28px;

    flex-wrap: wrap;

}

.esa-impactors-list {

    display: grid;

    gap: 14px;

    max-width: 900px;

}

.esa-impactor-card {

    padding: 24px 26px;

    border: 1px solid #dce3e9;

    border-radius: 10px;

    background: #fff;

}

.esa-impactor-card-top {

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 15px;

    margin-bottom: 10px;

    flex-wrap: wrap;

}

.alert-type-impactor {

    background: #f3e8e8;

    color: #8a3535;

}

.esa-impact-status {

    color: #8a3535;

    font-size: 11px;

    font-weight: 700;

    letter-spacing: .04em;

}

.esa-impactor-card h3 {

    margin-bottom: 18px;

    font-size: 28px;

}

.esa-impact-details {

    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 14px;

    margin-bottom: 22px;

}

.esa-impact-detail {

    padding: 14px 16px;

    border-radius: 8px;

    background: #f5f7f9;

}

.esa-detail-label {

    display: block;

    margin-bottom: 5px;

    color: var(--light-muted);

    font-size: 11px;

    font-weight: 600;

    letter-spacing: .04em;

    text-transform: uppercase;

}

.esa-impact-detail strong {

    display: block;

    color: #172333;

    font-size: 14px;

    line-height: 1.4;

}

.esa-meerkat {

    margin: 0 0 20px;

    border-radius: 8px;

    overflow: hidden;

    background: #edf2f6;

}

.esa-meerkat img {

    display: block;

    width: 100%;

    height: auto;

}

.esa-impactor-card .text-link {

    color: #285f8f;

    font-weight: 600;

}

@media (max-width: 700px) {

    .esa-impactor-card-top {

        align-items: flex-start;

        flex-direction: column;

        gap: 7px;

    }

    .esa-impact-details {

        grid-template-columns: 1fr;

    }

    .esa-impactor-card h3 {

        font-size: 24px;

    }

}

/* ============================================================
   TNS — Recent Transient Announcements
   ============================================================ */

.tns-section {

    padding-top: 20px;

}

.tns-toolbar {

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 20px;

    margin-bottom: 28px;

    flex-wrap: wrap;

}

.tns-list {

    display: grid;

    gap: 14px;

    max-width: 900px;

}

.tns-alert-card {

    padding: 24px 26px;

    border: 1px solid #dce3e9;

    border-radius: 10px;

    background: #fff;

}

.tns-alert-card-top {

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 15px;

    margin-bottom: 10px;

    flex-wrap: wrap;

}

.tns-alert-card-top time {

    color: var(--light-muted);

    font-size: 12px;

}

.tns-alert-card h3 {

    margin-bottom: 6px;

    font-size: 23px;

}

.tns-alert-card h3 a {

    color: #172333;

    text-decoration: none;

}

.tns-alert-card h3 a:hover {

    color: #285f8f;

    text-decoration: underline;

}

.tns-meta {

    margin: 0 0 12px;

    color: var(--light-muted);

    font-size: 13px;

}

.tns-alert-card .text-link {

    color: #285f8f;

    font-weight: 600;

}

@media (max-width: 700px) {

    .tns-alert-card-top {

        align-items: flex-start;

        flex-direction: column;

        gap: 6px;

    }

}