/* FITS Viewer Retro-Terminal Styles */

.fits-viewer-wrapper {
    margin: 2rem 0;
    background: #0d0e15;
    border: 1px solid var(--terminal-border);
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0, 255, 65, 0.08);
    font-family: var(--font-monospace);
    color: var(--fg-color);
    overflow: hidden;
    position: relative;
}

/* FITS Viewer Terminal Header */
.fits-viewer-header {
    background: #001a00;
    border-bottom: 1px solid var(--terminal-border);
    padding: 0.6rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--accent-color);
    text-shadow: 0 0 4px rgba(0, 255, 65, 0.6);
    user-select: none;
}

.fits-viewer-header .title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.fits-viewer-header .window-buttons {
    display: flex;
    gap: 6px;
}

.fits-viewer-header .win-btn {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--terminal-border);
    opacity: 0.6;
}

.fits-viewer-header .win-btn.close { background: #ff5555; }
.fits-viewer-header .win-btn.minimize { background: #ffaa00; }
.fits-viewer-header .win-btn.maximize { background: #00ff41; }

/* Main Grid Layout */
.fits-viewer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.5rem;
}

@media (min-width: 50rem) {
    .fits-viewer-content {
        grid-template-columns: minmax(300px, 1.2fr) 1.8fr;
    }
}

/* Column 1: Image & Rendering Controls */
.fits-viewer-image-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.fits-canvas-container {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 9/16;
    background: #000;
    border: 1px solid var(--terminal-border);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    cursor: grab;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.9);
}

.fits-canvas-container:active {
    cursor: grabbing;
}

.fits-canvas-container canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    image-rendering: pixelated;
}

/* Watermark CSS overlay in case JS isn't rendering it directly on canvas */
.fits-canvas-overlay {
    position: absolute;
    bottom: 8px;
    right: 12px;
    color: var(--accent-color);
    font-size: 0.75rem;
    opacity: 0.6;
    pointer-events: none;
    text-shadow: 0 0 3px #00ff41;
}

/* Zoom/Reset controls overlay */
.fits-canvas-controls {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 10;
}

.fits-canvas-btn {
    width: 28px;
    height: 28px;
    background: rgba(0, 8, 0, 0.85);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

.fits-canvas-btn:hover {
    background: var(--accent-color);
    color: #000;
    box-shadow: 0 0 10px var(--accent-color);
}

/* Loading Overlay */
.fits-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 14, 21, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--accent-color);
    font-size: 0.9rem;
    z-index: 20;
    text-shadow: 0 0 5px var(--accent-color);
}

.fits-spinner {
    width: 32px;
    height: 32px;
    border: 2px solid rgba(0, 255, 65, 0.1);
    border-top: 2px solid var(--accent-color);
    border-radius: 50%;
    animation: fits-spin 1s linear infinite;
    box-shadow: 0 0 8px rgba(0, 255, 65, 0.4);
}

@keyframes fits-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Column 2: Metadata & Astro Links */
.fits-viewer-meta-col {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

/* Astro Target Details Card */
.fits-astro-card {
    background: rgba(0, 10, 0, 0.3);
    border: 1px solid var(--terminal-border);
    border-radius: 4px;
    padding: 1rem;
}

.fits-astro-title {
    color: #fff;
    font-size: 1.1rem;
    margin: 0 0 0.8rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
    border-bottom: 1px dashed var(--terminal-border);
    padding-bottom: 0.4rem;
}

.fits-astro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    font-size: 0.85rem;
}

.fits-astro-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.fits-astro-label {
    color: var(--off-fg);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.fits-astro-value {
    color: var(--fg-color);
    font-weight: bold;
}

/* Action Links Block */
.fits-astro-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 0.8rem;
}

.fits-action-btn {
    flex: 1;
    min-width: 120px;
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    color: var(--accent-color);
    text-decoration: none;
    text-align: center;
    background: rgba(0, 255, 65, 0.04);
    border: 1px solid var(--accent-color);
    border-radius: 4px;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 0 5px rgba(0, 255, 65, 0.1);
}

.fits-action-btn:hover {
    background: var(--accent-color);
    color: #000;
    box-shadow: 0 0 12px var(--accent-color);
    text-shadow: none;
}

/* FITS Controls (sliders) */
.fits-controls-group {
    width: 100%;
    background: rgba(0, 10, 0, 0.2);
    border: 1px solid var(--terminal-border);
    border-radius: 4px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.fits-control-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.fits-control-label-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--off-fg);
}

.fits-control-value {
    color: var(--accent-color);
}

/* Styled Sliders */
.fits-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    background: #001a00;
    border: 1px solid var(--terminal-border);
    border-radius: 2px;
    outline: none;
    margin: 8px 0;
}

.fits-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 2px;
    background: var(--accent-color);
    border: 1px solid #fff;
    cursor: pointer;
    box-shadow: 0 0 6px var(--accent-color);
    transition: transform 0.1s ease;
}

.fits-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.fits-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 2px;
    background: var(--accent-color);
    border: 1px solid #fff;
    cursor: pointer;
    box-shadow: 0 0 6px var(--accent-color);
    transition: transform 0.1s ease;
}

.fits-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
}

/* Mode selectors (Buttons in row) */
.fits-btn-row {
    display: flex;
    gap: 0.5rem;
    width: 100%;
}

.fits-btn {
    flex: 1;
    padding: 0.5rem;
    font-size: 0.8rem;
    font-family: var(--font-monospace);
    color: var(--accent-color);
    background: #000800;
    border: 1px solid var(--terminal-border);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.fits-btn:hover {
    border-color: var(--accent-color);
    background: rgba(0, 255, 65, 0.05);
}

.fits-btn.active {
    background: var(--accent-color);
    color: #000;
    border-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
    font-weight: bold;
}

/* Command-line style Channel pills */
.fits-channel-selector {
    display: flex;
    gap: 4px;
    background: #000800;
    border: 1px solid var(--terminal-border);
    border-radius: 4px;
    padding: 2px;
}

.fits-channel-pill {
    flex: 1;
    padding: 0.3rem;
    font-size: 0.7rem;
    text-align: center;
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.15s ease;
    user-select: none;
    color: var(--off-fg);
}

.fits-channel-pill:hover {
    color: var(--fg-color);
    background: rgba(0, 255, 65, 0.05);
}

.fits-channel-pill.active {
    background: var(--terminal-border);
    color: var(--accent-color);
    font-weight: bold;
    text-shadow: 0 0 3px var(--accent-color);
}

/* Metadata Terminal Block */
.fits-metadata-panel {
    background: #000800;
    border: 1px solid var(--terminal-border);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.fits-metadata-search-row {
    display: flex;
    border-bottom: 1px solid var(--terminal-border);
    background: rgba(0, 15, 0, 0.4);
}

.fits-metadata-search-prompt {
    padding: 0.5rem;
    color: var(--accent-color);
    user-select: none;
}

.fits-metadata-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--accent-color);
    font-family: var(--font-monospace);
    font-size: 0.8rem;
    padding: 0.5rem;
}

.fits-metadata-table-container {
    max-height: 250px;
    overflow-y: auto;
    padding: 0.5rem;
}

.fits-metadata-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
    color: var(--fg-color);
}

.fits-metadata-table tr {
    border-bottom: 1px solid rgba(0, 59, 0, 0.2);
}

.fits-metadata-table tr:hover {
    background: rgba(0, 255, 65, 0.03);
}

.fits-metadata-table td {
    padding: 4px 6px;
    vertical-align: top;
}

.fits-metadata-key {
    color: var(--accent-color);
    font-weight: bold;
    width: 90px;
}

.fits-metadata-val {
    color: #e0af68; /* Tokyo night orange-gold */
}

.fits-metadata-comment {
    color: var(--off-fg);
    font-style: italic;
}

/* Fullscreen Mode override styles */
.fits-viewer-wrapper.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99999;
    margin: 0;
    border-radius: 0;
    background: #000;
}

.fits-viewer-wrapper.fullscreen .fits-viewer-content {
    height: calc(100vh - 2.5rem);
    grid-template-columns: minmax(300px, 1fr) 1fr;
    padding: 1rem;
    box-sizing: border-box;
}

.fits-viewer-wrapper.fullscreen .fits-viewer-image-col {
    justify-content: center;
    height: 100%;
}

.fits-viewer-wrapper.fullscreen .fits-canvas-container {
    max-width: none;
    height: calc(100% - 7rem);
    width: auto;
    aspect-ratio: 9/16;
}

.fits-viewer-wrapper.fullscreen .fits-viewer-meta-col {
    overflow-y: auto;
    height: 100%;
    padding-right: 10px;
}

/* Layout bottom (stacked) styling overrides */
.fits-viewer-wrapper.layout-bottom .fits-viewer-content {
    grid-template-columns: 1fr !important;
}

.fits-viewer-wrapper.layout-bottom .fits-canvas-container {
    width: 100%;
    max-width: 600px;
    aspect-ratio: 4/3;
    margin: 0 auto;
}

.fits-viewer-wrapper.layout-bottom .fits-channel-selector {
    margin: 0 auto;
}