body {
    background: linear-gradient(160deg, #021224 0%, #04364a 45%, #0a5c73 100%);
    background-attachment: fixed;
    min-height: 100vh;
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

.dashboard-bg {
    padding-bottom: 30px;
}

.header-block {
    padding: 22px 10px 10px 10px;
    text-align: center;
}

.dashboard-title {
    color: #eaf6f6;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

.dashboard-subtitle {
    color: #9fd8e0;
    font-size: 0.95rem;
    margin-bottom: 6px;
}

.marine-panel {
    background: rgba(4, 40, 54, 0.55);
    border: 1px solid rgba(120, 200, 210, 0.18);
    border-radius: 10px;
    padding: 12px 18px;
    margin: 10px auto;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
}

.controls-panel {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.slider-row {
    padding: 0 12px;
}

.control-label {
    color: #cfe8ec;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
}

.section-title {
    color: #eaf6f6;
    margin-bottom: 6px;
}

.time-info-row {
    gap: 14px;
}

.time-badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

.time-badge-init {
    background: rgba(31, 138, 156, 0.25);
    border: 1px solid rgba(111, 216, 230, 0.4);
    color: #cfe8ec;
}

.time-badge-valid {
    background: rgba(255, 209, 102, 0.15);
    border: 1px solid rgba(255, 209, 102, 0.5);
    color: #ffd166;
}

.footnote {
    color: #7fb8c2;
    font-size: 0.78rem;
    font-style: italic;
    margin-top: 2px;
}

.footer-note {
    color: #5f96a0;
    font-size: 0.75rem;
    text-align: center;
    padding: 14px 10px 4px 10px;
}

.map-block {
    width: 66.6667%;
    margin: 26px auto;
}

.map-graph {
    width: 100%;
}

@media (max-width: 900px) {
    .map-block {
        width: 92%;
    }
}

.btn-marine {
    border-color: #2f8a9c !important;
    color: #cfe8ec !important;
    background-color: rgba(4, 40, 54, 0.4) !important;
}

.btn-marine.active,
.btn-check:checked + .btn-marine {
    background-color: #1f8a9c !important;
    border-color: #6fd8e6 !important;
    color: #ffffff !important;
    box-shadow: 0 0 8px rgba(111, 216, 230, 0.6);
}

.btn-marine:hover {
    background-color: rgba(31, 138, 156, 0.35) !important;
    color: #ffffff !important;
}

.rc-slider-track {
    background-color: #2f8a9c;
}

.rc-slider-handle {
    border-color: #6fd8e6;
    background-color: #0a5c73;
}

.rc-slider-rail {
    background-color: rgba(207, 232, 236, 0.2);
}