/* ==========================================================================
   ORBITAL RELAY — live satellite tracker
   ========================================================================== */

body[data-page-id="orbital-relay"] {
    overflow: hidden;
}

#cesium-container {
    position: fixed;
    inset: 0;
    z-index: 0;
}

/* Strip Cesium's default chrome — keep only the globe */
#cesium-container .cesium-widget-credits {
    display: none !important;
}

#cesium-container .cesium-viewer-toolbar,
#cesium-container .cesium-viewer-animationContainer,
#cesium-container .cesium-viewer-timelineContainer,
#cesium-container .cesium-viewer-bottom {
    display: none !important;
}

/* Shared HUD card */
.orbital-hud {
    position: fixed;
    z-index: 15;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 1.4px;
    color: rgba(200, 240, 255, 0.95);
    background: linear-gradient(145deg, rgba(0, 12, 24, 0.92) 0%, rgba(0, 25, 45, 0.88) 100%);
    border: 1px solid rgba(0, 210, 255, 0.45);
    border-radius: 8px;
    padding: 18px 22px;
    backdrop-filter: blur(16px);
    min-width: 210px;
    box-shadow:
        0 0 30px rgba(0, 210, 255, 0.08),
        0 4px 24px rgba(0, 0, 0, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* ISS panel — amber accent */
#iss-hud {
    top: 90px;
    left: 24px;
    border-color: rgba(245, 166, 35, 0.55);
    box-shadow:
        0 0 30px rgba(245, 166, 35, 0.12),
        0 4px 24px rgba(0, 0, 0, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.hud-title {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: rgba(0, 210, 255, 0.6);
    border-bottom: 1px solid rgba(0, 210, 255, 0.2);
    padding-bottom: 8px;
    margin-bottom: 12px;
}

#iss-hud .hud-title {
    color: rgba(245, 166, 35, 0.7);
    border-color: rgba(245, 166, 35, 0.2);
}

.hud-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    margin-bottom: 6px;
}

.hud-label {
    color: rgba(200, 240, 255, 0.45);
    font-size: 0.62rem;
    letter-spacing: 1.5px;
}

.hud-val {
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.hud-live {
    margin-top: 12px;
    padding-top: 8px;
    border-top: 1px solid rgba(245, 166, 35, 0.2);
    color: #f5a623;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 2px;
    animation: tv-signal-blink 1.6s infinite;
}

.hud-divider {
    border: none;
    border-top: 1px solid rgba(0, 210, 255, 0.15);
    margin: 12px 0;
}

.hud-controls {
    font-size: 0.58rem;
    color: rgba(200, 240, 255, 0.35);
    letter-spacing: 1.5px;
    line-height: 1.7;
}

.hud-controls-hint {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(0, 210, 255, 0.15);
    font-size: 0.58rem;
    color: rgba(200, 240, 255, 0.35);
    letter-spacing: 1.5px;
    text-align: center;
}

/* Bottom satellite count bar */
.orbital-sat-bar {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 15;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: rgba(200, 240, 255, 0.7);
    background: rgba(0, 12, 24, 0.82);
    border: 1px solid rgba(0, 210, 255, 0.3);
    border-radius: 20px;
    padding: 8px 20px;
    backdrop-filter: blur(12px);
    white-space: nowrap;
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.06);
}

.orbital-sat-bar span {
    color: #ffffff;
    font-weight: 700;
}

/* Mission year bar */
#year-bar-mission {
    position: fixed;
    bottom: 76px;
    left: 24px;
    min-width: 210px;
    max-width: 250px;
}

.year-track-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 8px 0 6px;
}

.year-label {
    font-size: 0.6rem;
    color: rgba(200, 240, 255, 0.45);
    letter-spacing: 1px;
    white-space: nowrap;
}

.year-track {
    flex: 1;
    height: 4px;
    background: rgba(0, 210, 255, 0.15);
    border-radius: 2px;
    position: relative;
}

.year-pip--now {
    position: absolute;
    left: 0%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: #f5a623;
    border-radius: 50%;
    box-shadow: 0 0 8px #f5a623, 0 0 16px rgba(245, 166, 35, 0.4);
}

.year-status {
    font-size: 0.58rem;
    color: rgba(245, 166, 35, 0.65);
    letter-spacing: 1.5px;
    text-align: center;
    margin-top: 2px;
}

/* Relay ship overlay */
#relay-ship {
    position: fixed;
    bottom: -18px;
    right: 36px;
    width: 80px;
    z-index: 3;
    color: #f5a623;
    opacity: 0.55;
    filter: drop-shadow(0 0 10px rgba(245, 166, 35, 0.45));
    pointer-events: none;
}

/* Signal Key toggle button */
.key-hud-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: inherit;
    font-family: inherit;
    font-size: inherit;
    letter-spacing: inherit;
    width: 100%;
    text-align: left;
}

.key-hud-toggle-arrow {
    font-size: 0.55rem;
    color: rgba(0, 210, 255, 0.6);
    transition: transform 0.2s ease;
    display: inline-block;
}

#key-hud:not(.key-hud--collapsed) .key-hud-toggle-arrow {
    transform: rotate(90deg);
}

.key-hud-body {
    margin-top: 12px;
}

/* Collapsed state: shrink min-width to just fit the title row */
.key-hud--collapsed {
    min-width: 0;
}

/* ISS HUD toggle uses amber accent to match ISS color */
#iss-hud .key-hud-toggle-arrow {
    color: rgba(245, 166, 35, 0.7);
}

/* Constellation layers panel — top right (replaces former signal key position) */
#layers-hud {
    top: 90px;
    right: 24px;
    min-width: 0;
}

.layer-list {
    list-style: none;
    padding: 0;
    margin: 8px 0 0;
}

.layer-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    margin-bottom: 9px;
}

.layer-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.68rem;
    font-family: var(--font-mono);
    letter-spacing: 1.2px;
    color: rgba(200, 240, 255, 0.85);
    user-select: none;
}

/* Hide native checkbox — swatch acts as indicator */
.layer-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.layer-swatch {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    opacity: 0.3;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

/* Swatch + label brighten when checked */
.layer-label:has(input:checked) .layer-swatch {
    opacity: 1;
    transform: scale(1.3);
}

.layer-label:has(input:checked) {
    color: rgba(255, 255, 255, 0.95);
}

.layer-name {
    font-weight: 600;
    letter-spacing: 1.5px;
}

.layer-flag {
    font-size: 0.78rem;
    line-height: 1;
}

.layer-status {
    font-size: 0.58rem;
    color: rgba(200, 240, 255, 0.4);
    letter-spacing: 1px;
    min-width: 26px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* ISS row — no checkbox, static indicator */
.layer-label--static {
    cursor: default;
    user-select: none;
}

.layer-label--static .layer-swatch {
    opacity: 1;
}

/* Section divider rows inside layer list */
.layer-item--section {
    margin-top: 6px;
    margin-bottom: 4px;
    border-top: 1px solid rgba(0, 210, 255, 0.12);
    padding-top: 6px;
    justify-content: flex-start;
}

.layer-section-label {
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: rgba(0, 210, 255, 0.35);
    text-transform: uppercase;
}

/* Starlink density sub-row inside layers panel */
.layer-item--slider {
    display: block;
    padding: 4px 0 2px;
    border-top: 1px solid rgba(0, 210, 255, 0.1);
    margin-top: -4px;
    margin-bottom: 6px;
}

.sl-slider-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 4px 0 4px;
}

.sl-label-min,
.sl-label-max {
    white-space: nowrap;
    font-size: 0.58rem;
    color: rgba(200, 240, 255, 0.4);
    letter-spacing: 1px;
    min-width: 24px;
}

.sl-label-max {
    text-align: right;
}

.sl-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: rgba(0, 210, 255, 0.2);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.sl-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #00ccff;
    box-shadow: 0 0 6px rgba(0, 204, 255, 0.6);
    cursor: pointer;
}

.sl-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border: none;
    border-radius: 50%;
    background: #00ccff;
    box-shadow: 0 0 6px rgba(0, 204, 255, 0.6);
    cursor: pointer;
}

.sl-slider-val {
    font-size: 0.6rem;
    color: rgba(200, 240, 255, 0.5);
    letter-spacing: 1.5px;
    text-align: center;
}

.sl-slider-val span {
    color: #00ccff;
    font-weight: 700;
}

@media (max-width: 600px) {
    #iss-hud {
        top: 76px;
        left: 12px;
    }

    #layers-hud {
        display: none;
    }

    #year-bar-mission {
        display: none;
    }

    #relay-ship {
        width: 56px;
        right: 12px;
    }

    .orbital-hud {
        font-size: 0.64rem;
        padding: 12px 16px;
        min-width: 170px;
    }
}

@media (max-width: 480px) {
    .orbital-hud {
        font-size: 0.58rem;
        padding:   8px 10px;
        min-width: 140px;
    }
}