/* Sky chart view — full-bleed celestial map */

html:has(body.view-sky),
body.view-sky {
    overflow: hidden;
    overscroll-behavior: none;
    height: 100%;
    max-height: 100dvh;
}

body.view-sky .year-nav {
    display: none;
}

body.view-sky .site-chrome {
    z-index: 20;
}

body.view-sky .main-content {
    margin-top: var(--chrome-height);
    padding: 0 !important;
    max-width: none;
    width: 100%;
    height: calc(100dvh - var(--chrome-height));
    min-height: calc(100dvh - var(--chrome-height));
    max-height: calc(100dvh - var(--chrome-height));
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

body.view-sky .empty-state {
    display: none !important;
}

#sky-view.active {
    display: flex;
    flex: 1 1 auto;
    min-height: 0;
    width: 100%;
    height: 100%;
    position: relative;
    background:
        radial-gradient(ellipse 90% 70% at 50% 40%, rgba(12, 28, 52, 0.55), transparent 70%),
        var(--bg-deep);
}

#sky-view:not(.active) {
    pointer-events: none;
}

.sky-stage {
    /* Preview: fade-from-black when entering Sky (~600–750ms). */
    --sky-enter-fade-ms: 700ms;
    --sky-ground-h: 22%;
    --sky-ground-curve: 0%;
    --sky-ground-ellipse-x: 140%;
    --sky-ground-ellipse-y: 60%;
    position: relative;
    flex: 1 1 auto;
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow: hidden;
    background: #000;
}

.sky-map {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    overflow: hidden;
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
    cursor: grab;
}

/* SkyEngine canvas fills the map stage (d3-celestial path unused while testing). */
.sky-engine-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    touch-action: none;
    cursor: grab;
}

body.sky-engine-active .sky-ground-band {
    display: none !important;
}

/* SkyEngine: photo chips toggle is mobile-only */
body.sky-engine-active .sky-labels-toggle {
    display: none !important;
}

@media (max-width: 768px), (pointer: coarse) {
    body.sky-engine-active .sky-labels-toggle:not([hidden]) {
        display: inline-flex !important;
    }
}

body.sky-engine-active .sky-marker-labels {
    z-index: 4;
}

body.sky-engine-active.sky-mobile-labels .sky-marker-label {
    pointer-events: auto;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

/* Names already render on the sky canvas — thumbs only on mobile. */
body.sky-engine-active.sky-mobile-labels .sky-marker-label-name {
    display: none !important;
}

body.sky-engine-active.sky-mobile-labels .sky-marker-label:not(.has-image) {
    display: none !important;
}

/* Ground floor — bows like Stellarium when zoomed out (ellipse clip). */
.sky-ground-band {
    position: absolute;
    left: -18%;
    right: -18%;
    bottom: 0;
    height: var(--sky-ground-h);
    min-height: 5.5rem;
    max-height: 36%;
    z-index: 2;
    pointer-events: none;
    overflow: visible;
    background:
        radial-gradient(
            ellipse var(--sky-ground-ellipse-x) var(--sky-ground-ellipse-y) at 50% 100%,
            #020408 0%,
            #020408 58%,
            rgba(2, 4, 8, 0.88) 68%,
            rgba(2, 4, 8, 0.35) 78%,
            transparent 86%
        );
    transition:
        height 160ms ease,
        background 160ms ease;
}

.sky-horizon-line {
    position: absolute;
    left: 10%;
    right: 10%;
    top: 0;
    height: 0;
    border-top: 1.5px solid rgba(130, 200, 230, 0.55);
    box-shadow: 0 0 12px rgba(80, 160, 200, 0.18);
    /* Bow the horizon stroke with the same wide-FOV curve */
    border-radius: 50% 50% 0 0 / var(--sky-ground-curve) var(--sky-ground-curve) 0 0;
    transform: translateY(calc(var(--sky-ground-curve) * -0.15));
}

.sky-cardinal {
    position: absolute;
    top: 0;
    transform: translate(-50%, calc(-100% - 0.35rem));
    font-family: "Antonio", "Segoe UI", sans-serif;
    font-weight: 600;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    color: rgba(110, 210, 230, 0.78);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.85);
    pointer-events: none;
    user-select: none;
}

.sky-cardinal[hidden] {
    display: none;
}

/* Full-bleed black veil: opaque on enter, fades out once the map is settled. */
.sky-enter-veil {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
        opacity var(--sky-enter-fade-ms) ease,
        visibility 0s linear var(--sky-enter-fade-ms);
}

.sky-enter-veil__loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.sky-enter-veil__spinner {
    width: 1.15rem;
    height: 1.15rem;
    border: 1.5px solid rgba(109, 132, 159, 0.28);
    border-top-color: rgba(168, 201, 240, 0.72);
    border-radius: 50%;
    animation: sky-enter-spin 0.9s linear infinite;
}

.sky-enter-veil__label {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(168, 201, 240, 0.55);
}

.sky-stage.sky-enter--pending .sky-enter-veil {
    opacity: 1;
    visibility: visible;
    transition: none;
}

.sky-stage.sky-enter--pending .sky-enter-veil__loading {
    opacity: 1;
}

.sky-stage.sky-enter--revealing .sky-enter-veil {
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--sky-enter-fade-ms) ease,
        visibility 0s linear var(--sky-enter-fade-ms);
}

.sky-stage.sky-enter--revealing .sky-enter-veil__loading {
    opacity: 0;
    transition: opacity 0.12s ease;
}

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

@media (prefers-reduced-motion: reduce) {
    .sky-stage {
        --sky-enter-fade-ms: 0ms;
    }

    .sky-enter-veil,
    .sky-stage.sky-enter--pending .sky-enter-veil,
    .sky-stage.sky-enter--revealing .sky-enter-veil {
        transition: none;
    }

    .sky-enter-veil__spinner {
        animation: none;
        border-color: rgba(168, 201, 240, 0.45);
    }

    .sky-enter-veil__loading {
        transition: none;
    }
}

/* First cold View-in-Sky: hide until pinned center is solid (no off-center flash).
   Snap visible under the enter veil — veil owns the fade-from-black (no double fade). */
.sky-map.sky-map--pin-pending {
    opacity: 0;
}

.sky-map.sky-map--pin-ready {
    opacity: 1;
}

.sky-map.is-dragging {
    cursor: grabbing;
}

.sky-map canvas {
    display: block;
    max-width: none;
    /* d3-celestial sizes canvas; keep hit-testing aligned */
    vertical-align: top;
}

/* d3-celestial still injects a settings form; keep it out of layout */
body.view-sky #celestial-form {
    display: none !important;
}

/* d3-celestial zoom controls */
body.view-sky #celestial-zoomin,
body.view-sky #celestial-zoomout {
    position: absolute;
    right: 0.85rem;
    z-index: 4;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    background: var(--surface-glass);
    color: var(--text-primary);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: var(--transition);
}

body.view-sky #celestial-zoomin {
    bottom: 5.75rem;
}

body.view-sky #celestial-zoomout {
    bottom: 3.25rem;
}

body.view-sky #celestial-zoomin:hover,
body.view-sky #celestial-zoomout:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-border);
    background: var(--accent-soft);
}

/* Desktop: toggle always-on marker labels (mobile keeps them on) */
.sky-labels-toggle {
    position: absolute;
    left: max(0.85rem, env(safe-area-inset-left));
    right: auto;
    /* Sit above the bottom-left sky-hint + time bar */
    bottom: calc(5.5rem + env(safe-area-inset-bottom));
    z-index: 4;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0;
    padding: 0.4rem 0.65rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    background: var(--surface-glass);
    color: var(--text-muted);
    font-family: var(--font-main);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    line-height: 1;
    cursor: pointer;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: var(--transition);
}

.sky-labels-toggle[hidden] {
    display: none !important;
}

.sky-labels-toggle i {
    font-size: 0.75rem;
    opacity: 0.85;
}

.sky-labels-toggle:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-border);
    background: var(--accent-soft);
}

.sky-labels-toggle[aria-pressed="true"] {
    color: var(--text-primary);
    border-color: var(--accent-border);
    background: var(--accent-soft);
}

.sky-labels-toggle[aria-pressed="true"] i {
    opacity: 1;
    color: var(--accent-cyan);
}

@media (max-width: 768px) {
    /* Legacy d3 sky hid this on mobile; SkyEngine shows it via body.sky-engine-active */
    body:not(.sky-engine-active) .sky-labels-toggle {
        display: none !important;
    }
}

/* Always-on name + thumb chips (mobile, or desktop when Labels is on). */
.sky-marker-labels {
    --sky-label-thumb: 44px;
    --sky-label-thumb-hot: 50px;
    --sky-label-name-size: 0.625rem;
    --sky-label-max-w: 9.5rem;
    --sky-label-gap: 0.2rem;
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}

.sky-marker-labels[hidden] {
    display: none !important;
}

.sky-marker-label {
    position: absolute;
    z-index: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sky-label-gap);
    max-width: var(--sky-label-max-w);
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
    box-shadow: none;
    appearance: none;
    -webkit-appearance: none;
    transform: translate(-50%, calc(-100% - 0.55rem));
    opacity: 0.96;
    transition: opacity 0.12s ease, transform 0.12s ease;
}

.sky-marker-label[hidden] {
    display: none !important;
}

.sky-marker-label-media {
    width: var(--sky-label-thumb);
    height: var(--sky-label-thumb);
    overflow: hidden;
    border-radius: 3px;
    border: 1px solid rgba(120, 160, 200, 0.28);
    background: rgba(6, 10, 18, 0.9);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}

.sky-marker-label-media[hidden] {
    display: none;
}

.sky-marker-label-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.16s ease;
}

.sky-marker-label-media.is-loaded .sky-marker-label-img {
    opacity: 1;
}

.sky-marker-label-name {
    max-width: var(--sky-label-max-w);
    padding: 0.12rem 0.35rem;
    border-radius: 3px;
    border: 1px solid rgba(180, 200, 230, 0.28);
    background: rgba(4, 8, 14, 0.78);
    color: rgba(236, 244, 255, 0.95);
    font-family: var(--font-main);
    font-size: var(--sky-label-name-size);
    font-weight: 500;
    letter-spacing: 0.02em;
    line-height: 1.25;
    text-align: center;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
}

.sky-marker-label:not(.has-image) .sky-marker-label-name {
    max-width: calc(var(--sky-label-max-w) + 0.75rem);
}

.sky-marker-label.is-dim {
    opacity: 0.38;
    transform: translate(-50%, calc(-100% - 0.4rem)) scale(0.86);
    z-index: 0;
}

.sky-marker-label.is-dim .sky-marker-label-name {
    border-color: rgba(140, 160, 180, 0.18);
    background: rgba(6, 10, 16, 0.55);
    color: rgba(190, 205, 220, 0.75);
}

.sky-marker-label.is-hot {
    opacity: 1;
    z-index: 1;
    transform: translate(-50%, calc(-100% - 0.65rem)) scale(1.04);
}

.sky-marker-label.is-hot .sky-marker-label-media {
    width: var(--sky-label-thumb-hot);
    height: var(--sky-label-thumb-hot);
    border-color: rgba(170, 210, 255, 0.7);
    box-shadow: 0 0 0 1px rgba(120, 180, 240, 0.25), 0 3px 14px rgba(0, 0, 0, 0.5);
}

.sky-marker-label.is-hot .sky-marker-label-name {
    border-color: rgba(160, 205, 250, 0.5);
    color: #f4f9ff;
    background: rgba(8, 16, 28, 0.88);
}

/* Fixed to the viewport and mounted on <body> so show/hide never
   resizes .sky-stage / #celestial-map (avoids Celestial remount jump). */
.sky-tooltip {
    position: fixed;
    z-index: 40;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    width: max-content;
    max-width: min(88vw, 13.75rem);
    padding: 0.55rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    background: rgba(6, 10, 18, 0.86);
    color: var(--text-primary);
    font-family: var(--font-main);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transform: translate(-50%, calc(-100% - 0.35rem));
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.14s ease, visibility 0.14s ease;
}

.sky-tooltip.is-visible {
    opacity: 1;
    visibility: visible;
}

.sky-tooltip.is-below {
    transform: translate(-50%, 0.35rem);
}

.sky-tooltip-media {
    position: relative;
    width: 12.5rem;
    height: 12.5rem;
    max-width: 100%;
    overflow: hidden;
    border-radius: 3px;
    background:
        linear-gradient(145deg, rgba(20, 36, 58, 0.9), rgba(8, 14, 24, 0.95));
    border: 1px solid var(--border-subtle);
}

.sky-tooltip-media[hidden] {
    display: none;
}

.sky-tooltip-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.18s ease;
}

.sky-tooltip-media.is-loaded .sky-tooltip-img {
    opacity: 1;
}

.sky-tooltip-name {
    padding: 0 0.2rem 0.15rem;
    font-size: 0.8125rem;
    letter-spacing: 0.03em;
    line-height: 1.3;
    color: var(--text-primary);
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
    max-width: 12.5rem;
}

.sky-tooltip:not(.has-image) {
    padding: 0.5rem 0.85rem;
}

.sky-tooltip:not(.has-image) .sky-tooltip-name {
    max-width: min(70vw, 16rem);
    padding: 0;
}

@media (max-width: 480px) {
    .sky-tooltip {
        max-width: min(82vw, 12rem);
        padding: 0.45rem;
        gap: 0.45rem;
    }

    .sky-tooltip-media {
        width: 11.25rem;
        height: 11.25rem;
    }

    .sky-tooltip-name {
        max-width: 11.25rem;
        font-size: 0.75rem;
    }
}

.sky-status {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    margin: 0;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    background: var(--surface-glass);
    color: var(--text-muted);
    font-family: var(--font-main);
    font-size: 0.875rem;
    letter-spacing: 0.03em;
    text-align: center;
    pointer-events: none;
}

.sky-status[hidden] {
    display: none;
}

.sky-hint {
    position: absolute;
    left: max(0.85rem, env(safe-area-inset-left));
    bottom: max(0.85rem, env(safe-area-inset-bottom));
    z-index: 3;
    margin: 0;
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius);
    background: rgba(4, 6, 12, 0.55);
    color: var(--text-muted);
    font-family: var(--font-main);
    font-size: 0.6875rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    pointer-events: none;
}

/* Simulated local time — Earth rotation via Celestial.date (does not tumble camera) */
.sky-time {
    position: absolute;
    left: 50%;
    bottom: max(0.75rem, env(safe-area-inset-bottom));
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    width: min(22rem, calc(100% - 7.5rem));
    margin: 0;
    padding: 0.55rem 0.75rem 0.6rem;
    transform: translateX(-50%);
    border: 1px solid rgba(80, 140, 180, 0.28);
    border-radius: var(--radius);
    background:
        linear-gradient(180deg, rgba(8, 22, 36, 0.78), rgba(4, 10, 18, 0.88));
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: rgba(168, 210, 230, 0.9);
    pointer-events: auto;
    touch-action: none;
}

.sky-time[hidden] {
    display: none !important;
}

.sky-time-meta {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
}

.sky-time-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(120, 200, 220, 0.85);
}

.sky-time-place {
    font-family: var(--font-main);
    font-size: 0.625rem;
    letter-spacing: 0.04em;
    color: rgba(140, 170, 190, 0.55);
    text-align: right;
}

.sky-time-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 0.35rem;
    margin: 0.15rem 0 0.1rem;
    border-radius: 999px;
    background: linear-gradient(
        90deg,
        rgba(40, 90, 120, 0.55),
        rgba(70, 180, 200, 0.55),
        rgba(40, 90, 120, 0.55)
    );
    outline: none;
    cursor: pointer;
}

.sky-time-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 0.95rem;
    height: 0.95rem;
    border-radius: 50%;
    border: 1.5px solid rgba(180, 235, 250, 0.9);
    background: radial-gradient(circle at 35% 30%, #c8f0ff, #2a8aaa 70%);
    box-shadow: 0 0 0 3px rgba(40, 120, 140, 0.25);
    cursor: grab;
}

.sky-time-slider::-moz-range-thumb {
    width: 0.95rem;
    height: 0.95rem;
    border-radius: 50%;
    border: 1.5px solid rgba(180, 235, 250, 0.9);
    background: radial-gradient(circle at 35% 30%, #c8f0ff, #2a8aaa 70%);
    box-shadow: 0 0 0 3px rgba(40, 120, 140, 0.25);
    cursor: grab;
}

.sky-time-slider:focus-visible {
    outline: 1px solid rgba(100, 200, 220, 0.55);
    outline-offset: 3px;
}

.sky-time-readout {
    display: block;
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    color: rgba(200, 230, 240, 0.88);
    text-align: center;
    font-variant-numeric: tabular-nums;
}

@media (max-width: 768px) {
    /* Pin sky stage under chrome so the map owns the remaining viewport */
    body.view-sky .main-content {
        position: fixed;
        top: var(--chrome-height);
        left: 0;
        right: 0;
        bottom: 0;
        margin-top: 0;
        width: 100%;
        height: auto;
        min-height: 0;
        max-height: none;
        z-index: 0;
        padding: 0 !important;
    }

    .sky-stage {
        min-height: 0;
    }

    body.view-sky #celestial-zoomin,
    body.view-sky #celestial-zoomout {
        width: 2.6rem;
        height: 2.6rem;
        right: max(0.65rem, env(safe-area-inset-right));
    }

    body.view-sky #celestial-zoomin {
        bottom: calc(5.9rem + env(safe-area-inset-bottom));
    }

    body.view-sky #celestial-zoomout {
        bottom: calc(3.35rem + env(safe-area-inset-bottom));
    }

    .sky-time {
        width: min(20rem, calc(100% - 6.25rem));
        bottom: max(0.55rem, env(safe-area-inset-bottom));
        padding: 0.45rem 0.65rem 0.5rem;
    }

    .sky-hint {
        display: none;
    }
}