/* =========================================================================
   BillboardMax — Billboard Preview Simulator
   Dark theme, amber/gold accent (matches site --bm-amber tokens), modern
   card layout. Used by:
     /pages/billboard-preview      (upload UI)
     /simulator/{ID}               (public share page)
   ========================================================================= */

.bm-sim-page {
    --sim-bg:        #07111e;
    --sim-bg-2:      #0d1c30;
    --sim-card:      #122440;
    --sim-card-2:    #18304f;
    --sim-line:      rgba(255, 255, 255, 0.08);
    --sim-line-2:    rgba(255, 255, 255, 0.14);
    --sim-text:      #f4f7fb;
    --sim-muted:     #95a5c1;
    --sim-amber:     var(--bm-amber, #ffb020);
    --sim-amber-2:   var(--bm-amber-2, #ff8a00);
    --sim-success:   #2ee59d;
    --sim-danger:    #ff6b6b;

    background:
        radial-gradient(900px 500px at 90% -10%, rgba(255, 176, 32, 0.18), transparent 60%),
        radial-gradient(800px 420px at 5% 0%,   rgba(46, 229, 157, 0.08), transparent 60%),
        linear-gradient(180deg, var(--sim-bg) 0%, var(--sim-bg-2) 100%);
    color: var(--sim-text);
    padding-bottom: 4rem;
    min-height: 70vh;
}
body.bm-sim-shell { background: #07111e; }

/* ---- Hero --------------------------------------------------------------- */

.bm-sim-hero {
    padding: 2.75rem 0 1.75rem;
}
.bm-sim-hero-compact { padding-bottom: 1rem; }

.bm-sim-hero-inner { color: var(--sim-text); }

.bm-sim-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--sim-muted);
    margin-bottom: 1.25rem;
}
.bm-sim-breadcrumb a {
    color: var(--sim-muted);
    text-decoration: none;
    transition: color 0.15s ease;
}
.bm-sim-breadcrumb a:hover { color: var(--sim-amber); }
.bm-sim-breadcrumb-sep { color: rgba(149, 165, 193, 0.55); display: inline-flex; }
.bm-sim-breadcrumb code,
.bm-sim-lead code {
    background: rgba(255, 255, 255, 0.06);
    padding: 0.1rem 0.4rem;
    border-radius: 6px;
    color: var(--sim-amber);
    font-size: 0.88em;
}

.bm-sim-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--sim-amber);
    background: rgba(255, 176, 32, 0.1);
    border: 1px solid rgba(255, 176, 32, 0.28);
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    margin-bottom: 0.9rem;
}

.bm-sim-title {
    color: #fff;
    font-weight: 800;
    font-size: clamp(2rem, 4vw, 2.85rem);
    line-height: 1.1;
    letter-spacing: -0.01em;
    margin: 0 0 0.65rem;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
}

.bm-sim-lead {
    color: var(--sim-muted);
    font-size: clamp(1rem, 1.4vw, 1.1rem);
    max-width: 38rem;
    line-height: 1.55;
    margin: 0 0 1.25rem;
}

.bm-sim-pills {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.bm-sim-pills li {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--sim-line-2);
    color: #d6deef;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
}
.bm-sim-pills i { color: var(--sim-amber); }

.bm-sim-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
    gap: 2rem;
}
@media (max-width: 880px) {
    .bm-sim-hero-grid { grid-template-columns: 1fr; }
    .bm-sim-hero-meta { display: none; }
}

.bm-sim-hero-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
    border: 1px solid var(--sim-line-2);
    border-radius: 18px;
    padding: 1.25rem;
    box-shadow: 0 25px 60px -25px rgba(0, 0, 0, 0.65);
}
.bm-sim-hero-card-row {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: #d6deef;
    font-weight: 600;
    padding: 0.55rem 0;
}
.bm-sim-hero-card-row + .bm-sim-hero-card-row {
    border-top: 1px dashed var(--sim-line);
}
.bm-sim-hero-card-row i {
    color: var(--sim-amber);
    font-size: 1.4rem;
    flex-shrink: 0;
}

/* ---- Card / panel shell ------------------------------------------------- */

.bm-sim-card {
    background: linear-gradient(180deg, var(--sim-card) 0%, var(--sim-card-2) 100%);
    border: 1px solid var(--sim-line);
    border-radius: 22px;
    padding: clamp(1.25rem, 2.5vw, 2rem);
    box-shadow:
        0 30px 80px -40px rgba(0, 0, 0, 0.65),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.bm-sim-card-head {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 1.25rem;
}
.bm-sim-card-title {
    color: #fff;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}
.bm-sim-card-title i { color: var(--sim-amber); }
.bm-sim-card-sub {
    color: var(--sim-muted);
    margin: 0;
    font-size: 0.92rem;
}

/* ---- Layout grid ------------------------------------------------------- */

.bm-sim-shell-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
    margin-top: 0.75rem;
}
.bm-sim-share-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 1.5rem;
    margin-top: 0.75rem;
}
@media (max-width: 960px) {
    .bm-sim-share-grid { grid-template-columns: 1fr; }
}

/* ---- Dropzone ---------------------------------------------------------- */

.bm-sim-dropzone {
    position: relative;
    border: 2px dashed rgba(255, 255, 255, 0.18);
    border-radius: 18px;
    padding: 2.5rem 1.5rem;
    background:
        radial-gradient(circle at 50% 0%, rgba(255, 176, 32, 0.06), transparent 70%),
        rgba(255, 255, 255, 0.02);
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
    outline: none;
}
.bm-sim-dropzone:hover,
.bm-sim-dropzone:focus-visible {
    border-color: var(--sim-amber);
    background:
        radial-gradient(circle at 50% 0%, rgba(255, 176, 32, 0.12), transparent 70%),
        rgba(255, 255, 255, 0.03);
}
.bm-sim-dropzone.is-dragover {
    border-color: var(--sim-amber);
    background:
        radial-gradient(circle at 50% 0%, rgba(255, 176, 32, 0.22), transparent 70%),
        rgba(255, 176, 32, 0.06);
    transform: scale(1.01);
}
.bm-sim-dropzone-inner {
    pointer-events: none;
}
.bm-sim-dropzone-icon {
    font-size: 2.5rem;
    color: var(--sim-amber);
    line-height: 1;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 8px 20px rgba(255, 176, 32, 0.35));
}
.bm-sim-dropzone-headline {
    color: #fff;
    font-weight: 700;
    font-size: 1.15rem;
    margin: 0.25rem 0 0.25rem;
}
.bm-sim-dropzone-sub {
    color: var(--sim-muted);
    margin: 0 0 0.6rem;
}
.bm-sim-dropzone-cta {
    color: var(--sim-amber);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 600;
}
.bm-sim-dropzone-rules {
    color: rgba(149, 165, 193, 0.85);
    font-size: 0.82rem;
    margin: 0;
}
.bm-sim-input-hidden {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* ---- Selected file row ------------------------------------------------- */

.bm-sim-file-row {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--sim-line-2);
    border-radius: 14px;
    padding: 0.6rem 0.85rem;
}
.bm-sim-thumb {
    width: 64px;
    height: 32px;
    border-radius: 6px;
    background: #000 center / cover no-repeat;
    border: 1px solid var(--sim-line-2);
    flex-shrink: 0;
}
.bm-sim-file-meta {
    flex: 1;
    min-width: 0;
    color: #e8ecf6;
    font-size: 0.88rem;
    display: flex;
    flex-direction: column;
}
.bm-sim-file-meta strong {
    color: #fff;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.bm-sim-file-meta span {
    color: var(--sim-muted);
    font-size: 0.78rem;
}
.bm-sim-link {
    background: transparent;
    border: 0;
    color: var(--sim-muted);
    cursor: pointer;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem 0.55rem;
    border-radius: 8px;
    transition: color 0.15s ease, background 0.15s ease;
}
.bm-sim-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

/* ---- Alerts + progress ------------------------------------------------- */

.bm-sim-alert {
    margin-top: 1rem;
    background: rgba(255, 107, 107, 0.12);
    border: 1px solid rgba(255, 107, 107, 0.4);
    color: #ffd0d0;
    padding: 0.7rem 0.95rem;
    border-radius: 12px;
    font-size: 0.9rem;
}
.bm-sim-progress {
    margin-top: 0.85rem;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 999px;
    overflow: hidden;
    height: 6px;
}
.bm-sim-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--sim-amber) 0%, var(--sim-amber-2) 100%);
    transition: width 0.2s ease;
}

/* ---- Buttons / actions ------------------------------------------------- */

.bm-sim-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.25rem;
    justify-content: center;
}
.bm-sim-page .btn-amber {
    background: linear-gradient(135deg, var(--sim-amber) 0%, var(--sim-amber-2) 100%);
    border: 0;
    color: #1a1107;
    font-weight: 700;
    padding: 0.65rem 1.15rem;
    border-radius: 999px;
    box-shadow: 0 10px 30px -10px rgba(255, 138, 0, 0.55);
    transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
}
.bm-sim-page .btn-amber:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 36px -10px rgba(255, 138, 0, 0.7);
    filter: brightness(1.05);
    color: #1a1107;
}
.bm-sim-page .btn-amber:disabled,
.bm-sim-page .btn-amber[disabled] {
    opacity: 0.55;
    filter: grayscale(0.2);
    cursor: not-allowed;
    transform: none;
}
.bm-sim-submit { min-width: 12rem; }
.bm-sim-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: #d6deef;
    font-weight: 600;
    text-decoration: none;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    border: 1px solid var(--sim-line-2);
    background: rgba(255, 255, 255, 0.03);
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    cursor: pointer;
    font-size: 0.92rem;
}
.bm-sim-secondary:hover {
    background: rgba(255, 255, 255, 0.07);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.22);
}

/* ---- Preview render ---------------------------------------------------- */

.bm-sim-result {
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.bm-sim-result[hidden] {
    display: none;
}
.bm-sim-result.is-visible {
    animation: bmSimFadeIn 0.35s ease both;
}
@keyframes bmSimFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.bm-sim-preview-wrap {
    margin: 0;
    border-radius: 16px;
    overflow: hidden;
    background: #000;
    border: 1px solid var(--sim-line-2);
    box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.7);
    position: relative;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
}
.bm-sim-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ---- Multi-mockup grid (4 previews) ------------------------------------ */

.bm-sim-previews-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 0.25rem;
}
@media (max-width: 640px) {
    .bm-sim-previews-grid {
        grid-template-columns: 1fr;
    }
}

.bm-sim-preview-tile {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.bm-sim-preview-wrap--tile {
    aspect-ratio: 16 / 9;
    min-height: 0;
}

.bm-sim-preview-tile-cap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: #d6deef;
    margin: 0;
}

.bm-sim-tile-dl {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--sim-amber);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
    padding: 0.25rem 0.5rem;
    border-radius: 8px;
    transition: background 0.15s ease, color 0.15s ease;
}
.bm-sim-tile-dl:hover {
    color: #fff;
    background: rgba(255, 176, 32, 0.12);
}

/* ---- Share row --------------------------------------------------------- */

.bm-sim-result-row { margin-top: 1.25rem; }
.bm-sim-share-label {
    display: block;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sim-muted);
    font-weight: 700;
    margin-bottom: 0.4rem;
}
.bm-sim-share {
    display: flex;
    align-items: stretch;
    gap: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--sim-line-2);
    background: rgba(255, 255, 255, 0.04);
}
.bm-sim-share-input {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: 0;
    padding: 0.65rem 0.9rem;
    color: #fff;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.88rem;
}
.bm-sim-share-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.05);
}
.bm-sim-copy {
    border: 0;
    border-left: 1px solid var(--sim-line-2);
    background: rgba(255, 176, 32, 0.12);
    color: var(--sim-amber);
    padding: 0 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: background 0.15s ease, color 0.15s ease;
}
.bm-sim-copy:hover {
    background: rgba(255, 176, 32, 0.22);
    color: #fff;
}
.bm-sim-copy.is-copied {
    background: rgba(46, 229, 157, 0.18);
    color: var(--sim-success);
}

/* ---- 404 / empty state ------------------------------------------------- */

.bm-sim-empty {
    text-align: center;
    padding: 4rem 1.5rem 5rem;
    color: var(--sim-muted);
}
.bm-sim-empty h1 {
    color: #fff;
    font-weight: 800;
    margin: 0.8rem 0 0.6rem;
}
.bm-sim-empty-icon {
    font-size: 3.25rem;
    color: var(--sim-amber);
    filter: drop-shadow(0 14px 30px rgba(255, 176, 32, 0.35));
}
.bm-sim-empty-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.7rem;
    margin-top: 1.5rem;
}
.bm-sim-empty code {
    background: rgba(255, 255, 255, 0.06);
    padding: 0.1rem 0.4rem;
    border-radius: 6px;
    color: var(--sim-amber);
}

/* ---- Tips section ------------------------------------------------------ */

.bm-sim-tips {
    margin-top: 2.75rem;
}
.bm-sim-tips-title {
    color: #fff;
    font-weight: 800;
    font-size: 1.5rem;
    margin: 0 0 1rem;
}
.bm-sim-tips-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}
@media (max-width: 900px) { .bm-sim-tips-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 500px) { .bm-sim-tips-grid { grid-template-columns: 1fr; } }
.bm-sim-tip {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--sim-line);
    border-radius: 16px;
    padding: 1.1rem;
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.bm-sim-tip:hover {
    border-color: rgba(255, 176, 32, 0.35);
    transform: translateY(-2px);
}
.bm-sim-tip-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 176, 32, 0.14);
    color: var(--sim-amber);
    margin-bottom: 0.55rem;
    font-size: 1.05rem;
}
.bm-sim-tip h3 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
}
.bm-sim-tip p {
    color: var(--sim-muted);
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.5;
}

/* ---- Share page CTA ---------------------------------------------------- */

.bm-sim-share-cta h2 {
    color: #fff;
    font-weight: 800;
    font-size: 1.25rem;
    margin: 0 0 0.7rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.bm-sim-share-cta h2 i { color: var(--sim-amber); }
.bm-sim-share-cta p {
    color: var(--sim-muted);
    margin: 0 0 0.85rem;
}
.bm-sim-share-cta-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem;
}
.bm-sim-share-cta-list li {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: #d6deef;
    padding: 0.45rem 0;
    border-top: 1px dashed var(--sim-line);
}
.bm-sim-share-cta-list li:first-child { border-top: 0; }
.bm-sim-share-cta-list i { color: var(--sim-amber); }

/* Site-wide footer text inherits a light color from site-footer.php; force
 * legibility on the dark simulator background. */
body.bm-sim-shell .site-footer,
body.bm-sim-shell .planner-footer {
    background: transparent;
    color: var(--sim-muted, #95a5c1);
}