/* Marketers Brain — AI Studio UI (scoped to #dashboard-ai-ads-manager.mb-studio) */

#dashboard-ai-ads-manager.mb-studio {
    --mb-violet: #7c3aed;
    --mb-violet-light: #a78bfa;
    --mb-fuchsia: #d946ef;
    --mb-surface: #ffffff;
    --mb-surface-muted: #f8fafc;
    --mb-border: #e2e8f0;
    --mb-text: #0f172a;
    --mb-text-muted: #64748b;
    background:
        radial-gradient(ellipse 80% 50% at 10% 0%, rgba(124, 58, 237, 0.08), transparent 50%),
        radial-gradient(ellipse 60% 40% at 90% 10%, rgba(217, 70, 239, 0.06), transparent 45%),
        linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

/* Scoped light inputs — fixes global dark admin-form-input */
#dashboard-ai-ads-manager.mb-studio .admin-form-input,
#dashboard-ai-ads-manager.mb-studio .mb-input,
#dashboard-ai-ads-manager.mb-studio select.admin-form-input,
#dashboard-ai-ads-manager.mb-studio textarea.admin-form-input {
    background-color: var(--mb-surface);
    color: var(--mb-text);
    border: 1px solid var(--mb-border);
}

#dashboard-ai-ads-manager.mb-studio .admin-form-input::placeholder {
    color: #94a3b8;
}

#dashboard-ai-ads-manager.mb-studio .admin-form-input:focus {
    outline: none;
    border-color: var(--mb-violet);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

#dashboard-ai-ads-manager.mb-studio .mb-bangla,
#dashboard-ai-ads-manager.mb-studio #ai-ads-dash-audience-hint,
#dashboard-ai-ads-manager.mb-studio .ai-ads-char-field[id*="primary-text"] {
    font-family: 'Noto Sans Bengali', 'Inter', system-ui, sans-serif;
}

/* Cards */
#dashboard-ai-ads-manager.mb-studio .mb-card {
    background: var(--mb-surface);
    border: 1px solid var(--mb-border);
    border-radius: 1rem;
    box-shadow: 0 12px 40px -12px rgba(67, 56, 202, 0.1), 0 4px 20px -8px rgba(15, 23, 42, 0.06);
    overflow: hidden;
}

#dashboard-ai-ads-manager.mb-studio .mb-card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--mb-border);
}

#dashboard-ai-ads-manager.mb-studio .mb-card-header--violet {
    background: linear-gradient(135deg, #f5f3ff 0%, #faf5ff 50%, #fff 100%);
}

#dashboard-ai-ads-manager.mb-studio .mb-card-header--fuchsia {
    background: linear-gradient(135deg, #fdf4ff 0%, #fae8ff 40%, #fff 100%);
}

#dashboard-ai-ads-manager.mb-studio .mb-card-header--emerald {
    background: linear-gradient(135deg, #ecfdf5 0%, #f0fdfa 40%, #fff 100%);
}

#dashboard-ai-ads-manager.mb-studio .mb-card-header--blue {
    background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 40%, #fff 100%);
}

#dashboard-ai-ads-manager.mb-studio .mb-card-body {
    padding: 1.25rem 1.5rem;
}

@media (min-width: 768px) {
    #dashboard-ai-ads-manager.mb-studio .mb-card-body {
        padding: 1.5rem;
    }
}

#dashboard-ai-ads-manager.mb-studio .mb-step-label {
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

#dashboard-ai-ads-manager.mb-studio .mb-step-label--violet { color: var(--mb-violet); }
#dashboard-ai-ads-manager.mb-studio .mb-step-label--fuchsia { color: #c026d3; }
#dashboard-ai-ads-manager.mb-studio .mb-step-label--emerald { color: #059669; }
#dashboard-ai-ads-manager.mb-studio .mb-step-label--blue { color: #2563eb; }

/* Step progress bar */
#dashboard-ai-ads-manager.mb-studio .mb-step-progress {
    display: flex;
    align-items: center;
    gap: 0;
    width: 100%;
    max-width: 28rem;
}

#dashboard-ai-ads-manager.mb-studio .mb-step-progress__item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    position: relative;
}

#dashboard-ai-ads-manager.mb-studio .mb-step-progress__item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 0.75rem;
    left: calc(50% + 1rem);
    width: calc(100% - 2rem);
    height: 2px;
    background: var(--mb-border);
    z-index: 0;
}

#dashboard-ai-ads-manager.mb-studio .mb-step-progress__item.is-done:not(:last-child)::after,
#dashboard-ai-ads-manager.mb-studio .mb-step-progress__item.is-active:not(:last-child)::after {
    background: linear-gradient(90deg, var(--mb-violet), var(--mb-violet-light));
}

#dashboard-ai-ads-manager.mb-studio .mb-step-progress__dot {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    border: 2px solid var(--mb-border);
    background: var(--mb-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 700;
    color: var(--mb-text-muted);
    position: relative;
    z-index: 1;
    transition: border-color 0.2s, background 0.2s, color 0.2s, box-shadow 0.2s;
}

#dashboard-ai-ads-manager.mb-studio .mb-step-progress__item.is-active .mb-step-progress__dot {
    border-color: var(--mb-violet);
    background: linear-gradient(135deg, var(--mb-violet), var(--mb-fuchsia));
    color: #fff;
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.2);
}

#dashboard-ai-ads-manager.mb-studio .mb-step-progress__item.is-done .mb-step-progress__dot {
    border-color: var(--mb-violet);
    background: var(--mb-violet);
    color: #fff;
}

#dashboard-ai-ads-manager.mb-studio .mb-step-progress__text {
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mb-text-muted);
}

#dashboard-ai-ads-manager.mb-studio .mb-step-progress__item.is-active .mb-step-progress__text,
#dashboard-ai-ads-manager.mb-studio .mb-step-progress__item.is-done .mb-step-progress__text {
    color: var(--mb-violet);
}

/* Step 2 action card (light violet) */
#dashboard-ai-ads-manager.mb-studio .mb-generate-card {
    background: linear-gradient(135deg, #faf5ff 0%, #f5f3ff 50%, #ede9fe 100%);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: 1rem;
    box-shadow: 0 8px 32px -8px rgba(124, 58, 237, 0.15);
}

#dashboard-ai-ads-manager.mb-studio .mb-generate-btn {
    background: linear-gradient(135deg, #d946ef 0%, #7c3aed 100%);
    box-shadow: 0 8px 24px -4px rgba(124, 58, 237, 0.45);
}

#dashboard-ai-ads-manager.mb-studio .mb-generate-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #e879f9 0%, #8b5cf6 100%);
}

#dashboard-ai-ads-manager.mb-studio .mb-generate-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

/* Product preview */
#dashboard-ai-ads-manager.mb-studio #ai-ads-dash-product-preview {
    background: var(--mb-surface-muted);
    border: 1px solid var(--mb-border);
    border-radius: 0.75rem;
    padding: 1rem;
}

#dashboard-ai-ads-manager.mb-studio #ai-ads-dash-product-thumb {
    width: 4rem;
    height: 4rem;
}

/* Variant tabs */
#dashboard-ai-ads-manager.mb-studio .mb-variant-tabs {
    display: inline-flex;
    gap: 0.25rem;
    padding: 0.25rem;
    background: var(--mb-surface-muted);
    border: 1px solid var(--mb-border);
    border-radius: 0.75rem;
}

#dashboard-ai-ads-manager.mb-studio .ai-variant-tab {
    border-radius: 0.5rem;
    transition: background 0.15s, box-shadow 0.15s, color 0.15s;
}

#dashboard-ai-ads-manager.mb-studio .ai-variant-tab.mb-winner-badge::after {
    content: '★';
    margin-left: 0.35rem;
    color: #059669;
    font-size: 0.75rem;
}

/* Editor + preview split */
#dashboard-ai-ads-manager.mb-studio .mb-creative-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 1024px) {
    #dashboard-ai-ads-manager.mb-studio .mb-creative-split {
        grid-template-columns: 58fr 42fr;
        align-items: start;
    }
}

#dashboard-ai-ads-manager.mb-studio .mb-editor-col {
    min-width: 0;
}

/* Meta ad preview mockup */
#dashboard-ai-ads-manager.mb-studio .mb-ad-preview {
    background: var(--mb-surface);
    border: 1px solid var(--mb-border);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 20px -6px rgba(15, 23, 42, 0.1);
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__label {
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--mb-text-muted);
    padding: 0.75rem 1rem 0;
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__header {
    padding: 0.5rem 1rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--mb-text-muted);
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__primary {
    padding: 0 1rem 0.75rem;
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--mb-text);
    font-family: 'Noto Sans Bengali', 'Inter', system-ui, sans-serif;
    white-space: pre-wrap;
    word-break: break-word;
    min-height: 2.5rem;
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__primary.is-empty {
    color: #94a3b8;
    font-style: italic;
    font-family: 'Inter', system-ui, sans-serif;
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__primary.is-warn {
    color: #b45309;
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__media {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #e2e8f0;
    overflow: hidden;
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__media img.hidden {
    display: none;
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__image-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #94a3b8;
    font-size: 0.75rem;
    text-align: center;
    padding: 1rem;
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__image-placeholder.hidden {
    display: none;
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__image-placeholder i {
    font-size: 1.5rem;
    opacity: 0.5;
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--mb-surface-muted);
    border-top: 1px solid var(--mb-border);
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__headline {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--mb-text);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__headline.is-empty {
    color: #94a3b8;
    font-weight: 400;
    font-style: italic;
}

#dashboard-ai-ads-manager.mb-studio .mb-ad-preview__cta {
    flex-shrink: 0;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.4rem 0.75rem;
    background: #e4e6eb;
    color: #050505;
    border-radius: 0.25rem;
}

/* Accordion sections */
#dashboard-ai-ads-manager.mb-studio .mb-accordion {
    border: 1px solid var(--mb-border);
    border-radius: 0.75rem;
    overflow: hidden;
    background: var(--mb-surface-muted);
}

#dashboard-ai-ads-manager.mb-studio .mb-accordion + .mb-accordion {
    margin-top: 0.75rem;
}

#dashboard-ai-ads-manager.mb-studio .mb-accordion__summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    cursor: pointer;
    list-style: none;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--mb-text);
    user-select: none;
}

#dashboard-ai-ads-manager.mb-studio .mb-accordion__summary::-webkit-details-marker {
    display: none;
}

#dashboard-ai-ads-manager.mb-studio .mb-accordion__summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.65rem;
    color: var(--mb-text-muted);
    transition: transform 0.2s;
}

#dashboard-ai-ads-manager.mb-studio .mb-accordion[open] .mb-accordion__summary::after {
    transform: rotate(180deg);
}

#dashboard-ai-ads-manager.mb-studio .mb-accordion__body {
    padding: 0 1rem 1rem;
    border-top: 1px solid var(--mb-border);
}

#dashboard-ai-ads-manager.mb-studio .mb-accordion[open] .mb-accordion__body {
    padding-top: 1rem;
}

/* Launch bar */
#dashboard-ai-ads-manager.mb-studio .mb-launch-bar {
    border: 1px solid rgba(37, 99, 235, 0.2);
    background: linear-gradient(135deg, #eff6ff 0%, #fff 60%);
}

#dashboard-ai-ads-manager.mb-studio .mb-launch-btn {
    background: #1877f2;
    box-shadow: 0 4px 16px -4px rgba(24, 119, 242, 0.4);
}

#dashboard-ai-ads-manager.mb-studio .mb-launch-btn:hover {
    background: #166fe5;
}

/* Chat panel */
#dashboard-ai-ads-manager.mb-studio .mb-chat-details summary {
    cursor: pointer;
    list-style: none;
}

#dashboard-ai-ads-manager.mb-studio .mb-chat-details summary::-webkit-details-marker {
    display: none;
}

@media (min-width: 768px) {
    #dashboard-ai-ads-manager.mb-studio .mb-chat-details {
        display: block;
    }

    #dashboard-ai-ads-manager.mb-studio .mb-chat-details > summary {
        display: none;
    }

    #dashboard-ai-ads-manager.mb-studio .mb-chat-details .mb-chat-inner {
        display: block !important;
    }
}

/* Subtitle / body text */
#dashboard-ai-ads-manager.mb-studio .mb-subtitle {
    color: var(--mb-text-muted);
    font-size: 0.8125rem;
    line-height: 1.5;
}

#dashboard-ai-ads-manager.mb-studio .mb-field-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--mb-text);
    margin-bottom: 0.5rem;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    #dashboard-ai-ads-manager.mb-studio .mb-step-progress__dot,
    #dashboard-ai-ads-manager.mb-studio .ai-variant-tab,
    #dashboard-ai-ads-manager.mb-studio .mb-accordion__summary::after {
        transition: none;
    }
}