/* ============================================
   Desarrollo – Proyecto de Etiqueta: Shell UI
   Dark UI surrounding the label preview.
   Shared by ALL label variants.
   ============================================ */

/* ── Design Tokens → see main.css ── */
/* All --mb-* tokens are defined in main.css */

/* ── Container ── */
.mb-container {
    display: flex;
    flex-direction: column;
    min-height: 850px;
    background: var(--mb-bg-deep);
    border: 1px solid var(--mb-border);
    border-radius: 10px;
    overflow: hidden;
}

/* ── Search Bar ── */
.mb-search-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--mb-bg-deep) 0%, var(--mb-bg-surface) 100%);
    border-bottom: 1px solid var(--mb-border);
}

.mb-formula-status {
    margin: 0 0 var(--pv-space-4, 1rem);
    padding: var(--pv-space-3, 0.75rem) var(--pv-space-4, 1rem);
    border: 1px solid color-mix(in srgb, var(--pv-amber) 42%, transparent);
    border-radius: var(--pv-input-radius, 10px);
    background: color-mix(in srgb, var(--pv-amber) 10%, transparent);
    color: var(--pv-text-secondary);
    font-size: 0.86rem;
}

.mb-search-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--mb-text);
    white-space: nowrap;
}

.mb-search-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.mb-search-wrap {
    position: relative;
    flex: 1;
    max-width: 500px;
}

.mb-search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--mb-text-dim);
    pointer-events: none;
}

.mb-search-input {
    width: 100%;
    padding: 7px 12px 7px 34px;
    background: var(--mb-bg-surface);
    border: 1px solid var(--mb-border-alt);
    border-radius: 6px;
    color: var(--mb-text);
    font-size: 0.8rem;
}

.mb-search-input:focus {
    outline: none;
    border-color: var(--mb-accent);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

.mb-search-input::placeholder {
    color: var(--mb-text-dim);
}

.mb-search-results {
    position: absolute;
    z-index: 50;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    max-height: 240px;
    overflow-y: auto;
    background: var(--mb-bg-surface);
    border: 1px solid var(--mb-border-alt);
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.mb-search-results>div {
    padding: 8px 12px;
    font-size: 0.8rem;
    color: var(--mb-text);
    cursor: pointer;
}

.mb-search-results>div:hover {
    background: rgba(59, 130, 246, 0.12);
}

/* ── Buttons ── */
.mb-btn {
    padding: 7px 16px;
    border: none;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
}

.mb-btn--primary {
    background: var(--mb-accent);
    color: white;
}

.mb-btn--primary:hover {
    background: var(--mb-accent-hover);
}

.mb-btn--secondary {
    background: var(--mb-border);
    color: var(--mb-text-muted);
    border: 1px solid var(--mb-border-alt);
}

.mb-btn--secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--mb-text);
}

/* ── Empty State ── */
.mb-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    color: var(--mb-text-dim);
}

.mb-empty-state.hidden,
#mb-content.hidden,
#mb-empty[hidden],
#mb-content[hidden] {
    display: none !important;
}

.mb-empty-icon {
    width: 72px;
    height: 72px;
    opacity: 0.25;
    margin-bottom: 16px;
}

.mb-empty-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--mb-text-muted);
}

.mb-empty-sub {
    font-size: 0.82rem;
    margin-top: 6px;
}

/* ═══════════════════════════════════════════════
   INFO BAR (read-only product summary)
   ═══════════════════════════════════════════════ */
.mb-info-bar {
    display: flex;
    gap: 16px;
    padding: 10px 20px;
    background: var(--mb-bg-surface);
    border-bottom: 1px solid var(--mb-border);
    flex-wrap: wrap;
}

.mb-chip {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mb-chip-label {
    font-size: 0.62rem;
    font-weight: 700;
    color: var(--mb-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mb-chip-value {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--mb-text);
}

.mb-chip-value--code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    color: var(--mb-green);
}

.mb-barcode--missing {
    color: var(--mb-red);
    font-style: italic;
}

/* ═══════════════════════════════════════════════
   LABEL PREVIEW AREA
   ═══════════════════════════════════════════════ */
.mb-preview-area {
    background: var(--mb-lbl-border-lt);
    padding: 24px;
    overflow: auto;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 420px;
    position: relative;
}

/* ── Overlay de carga de la etiqueta (feedback al cambiar de producto) ── */
.mb-loading {
    display: none;
    position: absolute;
    inset: 0;
    z-index: 5;
    background: rgba(10, 14, 26, 0.55);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.mb-loading.is-active {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.mb-loading-spinner {
    width: 42px;
    height: 42px;
    border: 3px solid rgba(148, 163, 184, 0.25);
    border-top-color: var(--pv-accent, #3b82f6);
    border-radius: 50%;
    animation: mb-spin 0.7s linear infinite;
}

.mb-loading-text {
    margin: 0;
    font-size: var(--pv-text-sm, 0.78rem);
    color: var(--pv-text-secondary, #8091a7);
    letter-spacing: 0.03em;
}

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

/* ── "Ir al origen": cada dato de la etiqueta enlaza a su fuente ── */
.mb-origin {
    cursor: pointer;
    border-radius: 3px;
    transition: background 0.12s ease, box-shadow 0.12s ease;
}

.mb-origin:hover {
    background: rgba(59, 130, 246, 0.10);
    box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.4);
    text-decoration: underline dotted;
    text-underline-offset: 2px;
}

/* Resalte temporal de la sección de origen al llegar (Prefórmula) */
.pv-section--highlight {
    animation: mb-origin-pulse 1.6s ease;
    border-radius: var(--pv-card-radius, 16px);
}

@keyframes mb-origin-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
    25% { box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.5); }
}

/* Resalte temporal del campo EXACTO de destino (input/select de la Prefórmula) */
.pv-field--highlight {
    animation: mb-origin-pulse 1.8s ease;
    border-radius: 6px;
}

/* ═══════════════════════════════════════════════
   PRINT STYLES
   ═══════════════════════════════════════════════ */
@media print {
    body * {
        visibility: hidden !important;
    }

    #marbete-print-area,
    #marbete-print-area * {
        visibility: visible !important;
    }

    #marbete-print-area {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        box-shadow: none !important;
        border: none !important;
    }

    .mb-lot-strip {
        border-right-color: var(--mb-lbl-border) !important;
    }

    .mb-search-bar,
    .mb-info-bar,
    .mb-empty-state {
        display: none !important;
    }

    .mb-preview-area {
        background: white !important;
        padding: 0 !important;
    }
}