/* WP_Storyboard front-end. All colors via --mtsb-* variables (set inline by shortcode). */

.mtsb-app {
    font-family: var(--mtsb-font, 'Roboto Mono', monospace);
    color: var(--mtsb-topbar-text, #333);
    width: 100%;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.mtsb-app *,
.mtsb-app *::before,
.mtsb-app *::after {
    box-sizing: border-box;
}

/* ---------- Top bar ---------- */
.mtsb-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px;
    background: var(--mtsb-topbar-bg, #fff);
    border: 1px solid var(--mtsb-chrome-border, #e0e0e0);
    border-radius: 12px 12px 0 0;
}

.mtsb-topbar-left,
.mtsb-topbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mtsb-topbar-label {
    font-size: 13px;
    color: var(--mtsb-scene-label, #666);
}

.mtsb-select {
    font-family: inherit;
    font-size: 13px;
    padding: 6px 10px;
    border: 1px solid var(--mtsb-chrome-border, #e0e0e0);
    border-radius: 8px;
    background: var(--mtsb-btn-bg, #fff);
    color: var(--mtsb-btn-text, #333);
    min-width: 160px;
}

.mtsb-btn {
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    padding: 7px 14px;
    border: 1px solid var(--mtsb-chrome-border, #e0e0e0);
    border-radius: 8px;
    background: var(--mtsb-btn-bg, #fff);
    color: var(--mtsb-btn-text, #333);
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.mtsb-btn:hover {
    background: var(--mtsb-btn-hover-bg, #fff);
    border-color: var(--mtsb-btn-hover-text, #50fa7b);
    color: var(--mtsb-btn-hover-text, #50fa7b);
}

.mtsb-saved-indicator {
    font-size: 12px;
    color: var(--mtsb-saved, #50fa7b);
    min-width: 60px;
    text-align: right;
}

/* Top bar text + buttons follow the UI text size (same as scene labels) */
.mtsb-topbar .mtsb-btn,
.mtsb-topbar .mtsb-select,
.mtsb-topbar-label,
.mtsb-topbar .mtsb-export-opt,
.mtsb-saved-indicator,
#mtsb-zoom-readout {
    font-size: var(--mtsb-ui-fs, 12px);
}

.mtsb-topbar .mtsb-btn {
    padding: 0.5em 0.95em;
}

/* Export: single button with a hover menu (JPEG / PDF) */
.mtsb-export-wrap {
    position: relative;
    display: inline-block;
}

.mtsb-export-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 100%;
    background: var(--mtsb-btn-bg, #fff);
    border: 1px solid var(--mtsb-chrome-border, #e0e0e0);
    border-radius: 8px;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
    padding: 4px;
    display: none;
    flex-direction: column;
    gap: 2px;
    z-index: 60;
}

/* Keep open while hovering the button or the menu (the gap is bridged by margin) */
.mtsb-export-wrap:hover .mtsb-export-menu,
.mtsb-export-wrap:focus-within .mtsb-export-menu {
    display: flex;
}

.mtsb-export-opt {
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    text-align: left;
    padding: 7px 12px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--mtsb-btn-text, #333);
    cursor: pointer;
    transition: background 0.12s, color 0.12s;
}

.mtsb-export-opt:hover {
    background: var(--mtsb-btn-hover-bg, #f0f0f0);
    color: var(--mtsb-btn-hover-text, #50fa7b);
}

#mtsb-zoom-readout {
    font-size: 13px;
    color: var(--mtsb-zoom-readout, #666);
}

/* ---------- Body (tray + viewport) ---------- */
.mtsb-body {
    display: flex;
    border: 1px solid var(--mtsb-chrome-border, #e0e0e0);
    border-top: none;
    border-radius: 0 0 12px 12px;
    overflow: hidden;
    height: var(--mtsb-body-height, 90vh);
    min-height: 400px;
}

/* ---------- Tray ---------- */
.mtsb-tray-panel {
    flex: 0 0 200px;
    background: var(--mtsb-tray-bg, #fafafa);
    display: flex;
    flex-direction: column;
    padding: 10px;
    gap: 10px;
}

.mtsb-tray-header {
    font-size: 13px;
    font-weight: 600;
    color: var(--mtsb-scene-label, #666);
}

.mtsb-tray {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    overflow-y: auto;
    flex: 1;
    align-content: start;
    /* Scroll with the mouse wheel, but hide the scrollbar */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.mtsb-tray::-webkit-scrollbar {
    width: 0;
    height: 0;
    display: none;
}

/* Sidebar resize handle — blends with the sidebar; thin faint divider, green on hover */
.mtsb-tray-resizer {
    flex: 0 0 6px;
    cursor: col-resize;
    background: var(--mtsb-tray-bg, #fafafa);
    touch-action: none;
    position: relative;
}

.mtsb-tray-resizer::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    background: var(--mtsb-divider, var(--mtsb-chrome-border, #e0e0e0));
    transition: background 0.15s, width 0.15s;
}

.mtsb-tray-resizer:hover::after,
.mtsb-tray-resizer.mtsb-resizing::after {
    background: var(--mtsb-accent, #50fa7b);
    width: 2px;
}

.mtsb-tray-thumb {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border: 1px solid var(--mtsb-tray-thumb-border, #e0e0e0);
    border-radius: 8px;
    cursor: grab;
    touch-action: none;
    -webkit-user-drag: none;
    user-select: none;
    background: #fff;
    position: relative;
}

.mtsb-tray-thumb-wrap {
    position: relative;
    display: block;
    line-height: 0;
}

.mtsb-tray-thumb-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 12px;
    line-height: 1;
    cursor: pointer;
    display: none;
}

.mtsb-tray-thumb-wrap:hover .mtsb-tray-thumb-remove {
    display: block;
}

.mtsb-tray-thumb-remove:hover {
    background: var(--mtsb-delete, #e53935);
    color: #000;
}

.mtsb-tray-empty {
    font-size: 12px;
    color: var(--mtsb-empty, #bbb);
    line-height: 1.5;
}

/* ---------- Shiny CTA on the Add Media button (adapted from MTVision generate btn) ---------- */
@property --mtsb-rim-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

.mtsb-shine-on .mtsb-tray-add {
    --mtsb-rim-angle: 0deg;
    --mtsb-rim-percent: 12%;
    --mtsb-rim-offset: 60deg;
    --mtsb-rim-bg: var(--mtsb-am-bg, #fff);
    --mtsb-rim-highlight: var(--mtsb-shine, var(--mtsb-accent, #50fa7b));
    --mtsb-rim-white: #ffffff;
    color: var(--mtsb-am-text, #333);
    background:
        linear-gradient(to right, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.40) 100%) padding-box,
        linear-gradient(var(--mtsb-rim-bg), var(--mtsb-rim-bg)) padding-box,
        conic-gradient(
            from calc(var(--mtsb-rim-angle) - var(--mtsb-rim-offset)),
            transparent 0%,
            var(--mtsb-rim-highlight) var(--mtsb-rim-percent),
            var(--mtsb-rim-white) calc(var(--mtsb-rim-percent) * 2),
            var(--mtsb-rim-highlight) calc(var(--mtsb-rim-percent) * 3),
            transparent calc(var(--mtsb-rim-percent) * 4)
        ) border-box;
    border: 2px solid transparent;
    animation: mtsb-rim-rotate 3s linear infinite;
}

.mtsb-shine-on .mtsb-tray-add:hover {
    --mtsb-rim-bg: var(--mtsb-am-hover-bg, #fff);
    background:
        linear-gradient(to right, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.40) 100%) padding-box,
        linear-gradient(var(--mtsb-rim-bg), var(--mtsb-rim-bg)) padding-box,
        conic-gradient(
            from calc(var(--mtsb-rim-angle) - var(--mtsb-rim-offset)),
            transparent 0%,
            var(--mtsb-rim-highlight) var(--mtsb-rim-percent),
            var(--mtsb-rim-white) calc(var(--mtsb-rim-percent) * 2),
            var(--mtsb-rim-highlight) calc(var(--mtsb-rim-percent) * 3),
            transparent calc(var(--mtsb-rim-percent) * 4)
        ) border-box;
    color: var(--mtsb-am-hover-text, #50fa7b);
    /* keep the border transparent so the rotating rim shows (no black outline) */
    border: 2px solid transparent;
    box-shadow: 0 0 12px 1px var(--mtsb-rim-highlight);
    /* keep the rim rotating while hovered */
    animation: mtsb-rim-rotate 3s linear infinite;
}

@keyframes mtsb-rim-rotate {
    to { --mtsb-rim-angle: 360deg; }
}

/* ---------- Image picker popup ---------- */
.mtsb-modal {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mtsb-modal[hidden] {
    display: none;
}

.mtsb-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
}

.mtsb-modal-panel {
    position: relative;
    width: min(900px, 92vw);
    max-height: 86vh;
    display: flex;
    flex-direction: column;
    background: var(--mtsb-topbar-bg, #fff);
    color: var(--mtsb-topbar-text, #333);
    border: 1px solid var(--mtsb-chrome-border, #e0e0e0);
    border-radius: 14px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
    overflow: hidden;
}

.mtsb-modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--mtsb-chrome-border, #e0e0e0);
}

.mtsb-modal-title {
    font-size: 15px;
    font-weight: 600;
}

.mtsb-modal-close {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(20, 20, 20, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background 0.18s, color 0.18s;
}

.mtsb-modal-close:hover {
    background: var(--mtsb-delete, #e53935);
    color: #000;
}

.mtsb-modal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    padding: 10px;
    overflow-y: auto;
}

/* Add Media popup scrollbar theme (admin-selectable) */
.mtsb-scroll-dark .mtsb-modal-grid {
    scrollbar-width: thin;
    scrollbar-color: #555 #2a2a2a;
}
.mtsb-scroll-dark .mtsb-modal-grid::-webkit-scrollbar {
    width: 10px;
}
.mtsb-scroll-dark .mtsb-modal-grid::-webkit-scrollbar-track {
    background: #2a2a2a;
    border-radius: 6px;
}
.mtsb-scroll-dark .mtsb-modal-grid::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 6px;
}
.mtsb-scroll-dark .mtsb-modal-grid::-webkit-scrollbar-thumb:hover {
    background: #6b6b6b;
}

.mtsb-scroll-light .mtsb-modal-grid {
    scrollbar-width: thin;
    scrollbar-color: #c1c1c1 #f0f0f0;
}
.mtsb-scroll-light .mtsb-modal-grid::-webkit-scrollbar {
    width: 10px;
}
.mtsb-scroll-light .mtsb-modal-grid::-webkit-scrollbar-track {
    background: #f0f0f0;
    border-radius: 6px;
}
.mtsb-scroll-light .mtsb-modal-grid::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 6px;
}
.mtsb-scroll-light .mtsb-modal-grid::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

.mtsb-modal-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border: 1px solid var(--mtsb-chrome-border, #e0e0e0);
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.12s, box-shadow 0.12s, border-color 0.12s;
    background: #00000008;
}

.mtsb-modal-thumb:hover {
    transform: translateY(-2px);
    border-color: var(--mtsb-accent, #50fa7b);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
}

.mtsb-modal-thumb.mtsb-added {
    border-color: var(--mtsb-accent, #50fa7b);
    box-shadow: 0 0 0 3px var(--mtsb-accent, #50fa7b);
    cursor: default;
}

.mtsb-modal-empty {
    padding: 40px 18px;
    text-align: center;
    color: var(--mtsb-empty, #bbb);
    font-size: 13px;
}

/* ---------- Confirm dialog ---------- */
.mtsb-confirm-panel {
    width: min(420px, 92vw);
    padding: 24px 26px;
}

.mtsb-confirm-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}

.mtsb-confirm-msg {
    font-size: 13.5px;
    line-height: 1.55;
    color: var(--mtsb-scene-label, #666);
    margin-bottom: 22px;
}

.mtsb-confirm-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.mtsb-btn-danger-solid {
    background: var(--mtsb-delete, #e53935);
    border-color: var(--mtsb-delete, #e53935);
    color: #fff;
}

.mtsb-btn-danger-solid:hover {
    background: #c62828;
    border-color: #c62828;
    color: #fff;
}

.mtsb-btn-primary {
    background: var(--mtsb-accent, #50fa7b);
    border-color: var(--mtsb-accent, #50fa7b);
    color: #000;
}

.mtsb-btn-primary:hover {
    filter: brightness(0.95);
    color: #000;
}

.mtsb-prompt-input {
    width: 100%;
    font-family: inherit;
    font-size: 14px;
    padding: 10px 12px;
    border: 1px solid var(--mtsb-chrome-border, #e0e0e0);
    border-radius: 8px;
    background: var(--mtsb-field-bg, #fff);
    color: var(--mtsb-field-text, #000);
    margin-bottom: 22px;
    box-sizing: border-box;
}

.mtsb-prompt-input:focus {
    outline: none;
    border-color: var(--mtsb-accent, #50fa7b);
}

.mtsb-tray-add {
    font-size: 12px;
    padding: 8px;
    text-align: center;
    background: var(--mtsb-am-bg, #fff);
    color: var(--mtsb-am-text, #333);
}

.mtsb-tray-add:hover {
    background: var(--mtsb-am-hover-bg, #fff);
    border-color: var(--mtsb-am-hover-text, #50fa7b);
    color: var(--mtsb-am-hover-text, #50fa7b);
}

/* ---------- Viewport / board ---------- */
.mtsb-viewport {
    position: relative;
    flex: 1;
    overflow: hidden;
    background: var(--mtsb-board-bg, #fff);
    cursor: grab;
    touch-action: none;
}

/* Faint background grid — toggleable, themeable color/opacity/thickness/size.
   background-size & position are updated by JS so the grid pans/zooms with the board. */
.mtsb-grid-on .mtsb-viewport {
    background-image:
        linear-gradient(to right, var(--mtsb-grid-color, rgba(204,204,204,0.5)) var(--mtsb-grid-thickness, 1px), transparent var(--mtsb-grid-thickness, 1px)),
        linear-gradient(to bottom, var(--mtsb-grid-color, rgba(204,204,204,0.5)) var(--mtsb-grid-thickness, 1px), transparent var(--mtsb-grid-thickness, 1px));
    background-size: var(--mtsb-grid-size, 24px) var(--mtsb-grid-size, 24px);
}

.mtsb-viewport.mtsb-panning {
    cursor: grabbing;
}

.mtsb-board {
    position: absolute;
    top: 0;
    left: 0;
    transform-origin: 0 0;
    will-change: transform;
    display: grid;
    grid-template-columns: repeat(var(--mtsb-cols, 3), var(--mtsb-slot-size, 320px));
    gap: 24px;
    padding: 24px;
}

/* ---------- Scenes ---------- */
.mtsb-scene {
    width: var(--mtsb-slot-size, 320px);
    background: var(--mtsb-scene-bg, #f5f5f5);
    border: none;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.14);
    transition: box-shadow 0.18s, border-color 0.18s;
    position: relative;
    cursor: grab;
}

.mtsb-field textarea {
    cursor: text;
}

.mtsb-viewport.mtsb-panning,
.mtsb-viewport.mtsb-panning .mtsb-scene {
    cursor: grabbing;
}

.mtsb-scene.mtsb-snap-target {
    border-color: var(--mtsb-snap, #50fa7b);
    box-shadow: 0 0 0 3px var(--mtsb-snap, #50fa7b);
}

/* Scene being dragged: lifted shadowed clone follows the cursor; original dims */
.mtsb-scene-ghost {
    position: fixed;
    top: 0;
    left: 0;
    margin: 0;
    pointer-events: none;
    z-index: 10000;
    opacity: 0.97;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
    will-change: transform;
}

.mtsb-scene-dragging-src {
    opacity: 0.35;
}

/* Demo mode (logged-out): top-bar "log in to save" pill */
.mtsb-demo-banner {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.4em 0.85em;
    border: 1px solid var(--mtsb-accent, #50fa7b);
    border-radius: 999px;
    font-size: var(--mtsb-ui-fs, 12px);
    color: var(--mtsb-topbar-text, #333);
    white-space: nowrap;
}

.mtsb-demo-banner a {
    color: var(--mtsb-accent, #50fa7b);
    font-weight: 600;
    text-decoration: none;
}

.mtsb-demo-banner a:hover {
    text-decoration: underline;
}

/* Demo mode: transient "log in" nudge toast (created on demand by board.js) */
.mtsb-demo-toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    transform: translate(-50%, 16px);
    z-index: 100000;
    padding: 10px 18px;
    border-radius: 8px;
    background: var(--mtsb-toolbar-bg, #222);
    color: var(--mtsb-toolbar-text, #fff);
    font-size: 13px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
}

.mtsb-demo-toast.mtsb-show {
    opacity: 1;
    transform: translate(-50%, 0);
    pointer-events: auto;
}

.mtsb-demo-toast a {
    color: var(--mtsb-accent, #50fa7b);
    font-weight: 600;
    text-decoration: none;
    margin-left: 4px;
}

.mtsb-demo-toast a:hover {
    text-decoration: underline;
}

.mtsb-scene-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    padding: 6px 10px;
    font-size: var(--mtsb-ui-fs, 12px);
    color: var(--mtsb-scene-label, #666);
    cursor: grab;
    user-select: none;
}

.mtsb-viewport.mtsb-panning .mtsb-scene-header {
    cursor: grabbing;
}

/* Insert-a-scene "+" that appears when hovering the gap to a scene's left */
.mtsb-scene-insert {
    position: absolute;
    top: 0;
    bottom: 0;
    left: -24px;
    width: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 6;
}

.mtsb-scene-insert::before {
    content: "+";
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--mtsb-accent, #50fa7b);
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    line-height: 1;
    opacity: 0;
    transform: scale(0.6);
    transition: opacity 0.12s, transform 0.12s;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

.mtsb-scene-insert:hover::before {
    opacity: 1;
    transform: scale(1);
}

/* Divider line above & below the +, same accent color, with a 10px gap each side.
   The + badge is 22px tall (11px half) + 10px gap = 21px clear from centre. */
.mtsb-scene-insert::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    transform: translateX(-50%);
    background: linear-gradient(
        to bottom,
        var(--mtsb-accent, #50fa7b) 0,
        var(--mtsb-accent, #50fa7b) calc(50% - 21px),
        transparent calc(50% - 21px),
        transparent calc(50% + 21px),
        var(--mtsb-accent, #50fa7b) calc(50% + 21px),
        var(--mtsb-accent, #50fa7b) 100%
    );
    opacity: 0;
    transition: opacity 0.12s;
}

.mtsb-scene-insert:hover::after {
    opacity: 1;
}

.mtsb-scene-del {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(20, 20, 20, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    cursor: pointer;
    font-size: 15px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    /* Kept in layout (visibility, not display) so revealing it never shifts the header */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s, background 0.18s, color 0.18s;
}

.mtsb-scene:hover .mtsb-scene-del {
    opacity: 1;
    visibility: visible;
}

.mtsb-scene-del:hover {
    background: var(--mtsb-delete, #e53935);
    color: #000;
}

.mtsb-scene-empty {
    width: calc(100% - 20px);
    min-height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mtsb-empty, #bbb);
    font-size: 12px;
    border: 1px solid var(--mtsb-scene-border, #e0e0e0);
    border-radius: 8px;
    margin: 0 10px 10px;
}

.mtsb-scene.mtsb-snap-target .mtsb-scene-empty {
    border-color: var(--mtsb-drop, #50fa7b);
    color: var(--mtsb-drop, #50fa7b);
}

/* ---------- Card ---------- */
.mtsb-card {
    display: flex;
    flex-direction: column;
    background: var(--mtsb-card-bg, #fff);
    border: 1px solid var(--mtsb-card-border, #e0e0e0);
    border-radius: 8px;
    margin: 0 10px 10px;
    overflow: hidden;
    transition: transform 0.18s ease;
}

.mtsb-card.mtsb-dragging {
    will-change: transform;
    z-index: 50;
    opacity: 0.92;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.mtsb-card-imgwrap {
    position: relative;
    width: auto;
    margin: 0 10px;
    background: #00000008;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    overflow: hidden;
    border-radius: 0;
}

.mtsb-card-img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 0;
    user-select: none;
    -webkit-user-drag: none;
}

.mtsb-card-missing {
    width: 100%;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mtsb-empty, #bbb);
    font-size: 12px;
    text-align: center;
    padding: 12px;
}

.mtsb-card-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.mtsb-card-imgwrap:hover .mtsb-card-remove {
    display: flex;
}

.mtsb-card-remove:hover {
    background: var(--mtsb-delete, #e53935);
    color: #000;
}

.mtsb-card-download {
    position: absolute;
    top: 6px;
    left: 6px;
    width: 26px;
    height: 26px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.mtsb-card-imgwrap:hover .mtsb-card-download {
    display: flex;
}

.mtsb-card-download:hover {
    background: var(--mtsb-accent, #50fa7b);
    color: #000;
}

.mtsb-resize-handle {
    position: absolute;
    bottom: 6px;
    right: 6px;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    cursor: nwse-resize;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.mtsb-card-imgwrap:hover .mtsb-resize-handle {
    display: flex;
}

.mtsb-resize-handle:hover {
    background: var(--mtsb-accent, #50fa7b);
    color: #000;
}

.mtsb-card-fields {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 8px 10px 10px;
}

.mtsb-field {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mtsb-field-label {
    font-size: 9px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--mtsb-scene-label, #666);
}

.mtsb-field textarea {
    font-family: inherit;
    font-size: var(--mtsb-field-size, 14px);
    font-weight: var(--mtsb-field-weight, 400);
    width: 100%;
    border: 1px solid var(--mtsb-card-border, #e0e0e0);
    border-radius: 6px;
    padding: 6px;
    resize: none;
    overflow: hidden;
    min-height: 34px;
    background: var(--mtsb-field-bg, #fff);
    color: var(--mtsb-field-text, #000);
}

.mtsb-field textarea:focus {
    outline: none;
    border-color: var(--mtsb-accent, #50fa7b);
}

/* ---------- Add scene ---------- */
/* Add-scene tile: full-width strip below the last row; subtle "+" that brightens on hover */
.mtsb-add-tile {
    grid-column: 1 / -1;
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    line-height: 1;
    color: var(--mtsb-empty, #bbb);
    border-radius: 12px;
    cursor: pointer;
    user-select: none;
    transition: background 0.15s, color 0.15s;
}

.mtsb-add-tile:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--mtsb-accent, #50fa7b);
}

/* ---------- Restricted ---------- */
.mtsb-restricted {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    border-radius: 12px;
    margin: 40px 0;
}

.mtsb-restricted-card {
    text-align: center;
    max-width: 500px;
    padding: 3rem;
}

.mtsb-restricted-card h3 {
    font-size: 2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.mtsb-restrict-login {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 12px 30px;
    background: var(--mtsb-accent, #50fa7b);
    color: #000;
    text-decoration: none;
    font-weight: 600;
    border-radius: 10px;
}