/* ============================================
   BPQuest Theme
   Progressive Design based on #1e3250 (navy)
   ============================================ */

/* ============================================
   1. COLOR SYSTEM — #1e3250 palette
   ============================================ */
:root {
    /* Primary palette derived from #1e3250 */
    --bpquest-primary-50:  #eaf0f7;
    --bpquest-primary-100: #cfdce8;
    --bpquest-primary-200: #9ab1c8;
    --bpquest-primary-300: #6585a8;
    --bpquest-primary-400: #3f5c80;
    --bpquest-primary-500: #1e3250;
    --bpquest-primary-600: #192a44;
    --bpquest-primary-700: #142337;
    --bpquest-primary-800: #0f1b2a;
    --bpquest-primary-900: #0a121d;

    /* Semantic aliases */
    --bpquest-primary:       var(--bpquest-primary-500);
    --bpquest-primary-hover: var(--bpquest-primary-600);
    --bpquest-primary-active:var(--bpquest-primary-700);
    --bpquest-primary-light: var(--bpquest-primary-100);
    --bpquest-primary-subtle:var(--bpquest-primary-50);

    /* Accent / complementary */
    --bpquest-accent:       #2a7b9b;
    --bpquest-accent-light: #e6f3f8;

    /* Status colors */
    --bpquest-success:       #1a8754;
    --bpquest-success-light: #e8f5ef;
    --bpquest-warning:       #d4a017;
    --bpquest-warning-light: #fef9e7;
    --bpquest-danger:        #c0392b;
    --bpquest-danger-light:  #fdecea;
    --bpquest-info:          #2a7b9b;
    --bpquest-info-light:    #e6f3f8;

    /* Spacing scale */
    --bpquest-space-xs: 4px;
    --bpquest-space-sm: 8px;
    --bpquest-space-md: 16px;
    --bpquest-space-lg: 24px;
    --bpquest-space-xl: 32px;
    --bpquest-space-2xl: 48px;
    --bpquest-space-3xl: 64px;

    /* Border radius */
    --bpquest-radius-sm: 4px;
    --bpquest-radius-md: 8px;
    --bpquest-radius-lg: 12px;
    --bpquest-radius-xl: 16px;
    --bpquest-radius-full: 9999px;

    /* Typography */
    --bpquest-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    /* Compact size scale (each step ~15 % smaller than the default scale). */
    --bpquest-font-size-xs: 0.7rem;
    --bpquest-font-size-sm: 0.78rem;
    --bpquest-font-size-md: 0.875rem;
    --bpquest-font-size-lg: 0.95rem;
    --bpquest-font-size-xl: 1.25rem;
    --bpquest-font-size-2xl: 1.55rem;
    --bpquest-font-size-3xl: 1.9rem;

    /* Transitions */
    --bpquest-transition-fast: 150ms ease;
    --bpquest-transition-normal: 250ms ease;
    --bpquest-transition-slow: 400ms ease;
}

/* ============================================
   2. LIGHT THEME
   ============================================ */
.bpquest-portal[data-theme="Light"],
.bpquest-portal[data-theme="light"],
.bpquest-portal:not([data-theme]) {
    --bpquest-bg:            #ffffff;
    --bpquest-bg-secondary:  #f9f7f6;
    --bpquest-bg-tertiary:   #f3efed;
    --bpquest-surface:       #ffffff;
    --bpquest-surface-hover: #eaf0f7;
    --bpquest-text:          #2d2320;
    --bpquest-text-secondary:#6b5e57;
    --bpquest-text-muted:    #9a8e87;
    --bpquest-border:        #e8ddd7;
    --bpquest-border-light:  #f0e8e3;
    --bpquest-card-bg:       #ffffff;
    --bpquest-card-shadow:   0 1px 3px rgba(107, 46, 26, 0.06), 0 4px 12px rgba(107, 46, 26, 0.04);
    --bpquest-card-shadow-hover: 0 4px 12px rgba(219, 96, 54, 0.12), 0 8px 24px rgba(219, 96, 54, 0.06);
    --bpquest-table-header-bg: var(--bpquest-primary-50);
    --bpquest-table-header-text: var(--bpquest-primary-800);
    --bpquest-table-stripe:  #fdf9f7;
    --bpquest-table-hover:   var(--bpquest-primary-50);
    --bpquest-input-bg:      #ffffff;
    --bpquest-input-border:  #d4cac4;
    --bpquest-input-focus-shadow: 0 0 0 3px rgba(219, 96, 54, 0.15);
    --bpquest-topbar-bg:     #ffffff;
    --bpquest-topbar-shadow: 0 1px 4px rgba(107, 46, 26, 0.06);
    --bpquest-overlay:       rgba(45, 35, 32, 0.4);
    --bpquest-badge-bg:      var(--bpquest-primary-50);
    --bpquest-badge-text:    var(--bpquest-primary-700);
    --bpquest-divider:       var(--bpquest-primary-100);
    --bpquest-link:          var(--bpquest-primary-600);
    --bpquest-link-hover:    var(--bpquest-primary-800);
}

/* ============================================
   3. DARK THEME
   ============================================ */
.bpquest-portal[data-theme="Dark"],
.bpquest-portal[data-theme="dark"] {
    --bpquest-bg:            #1a1412;
    --bpquest-bg-secondary:  #231c19;
    --bpquest-bg-tertiary:   #2d2320;
    --bpquest-surface:       #2d2320;
    --bpquest-surface-hover: #3a2e29;
    --bpquest-text:          #f0e8e3;
    --bpquest-text-secondary:#c4b5ac;
    --bpquest-text-muted:    #8a7b73;
    --bpquest-border:        #3a2e29;
    --bpquest-border-light:  #4a3d37;
    --bpquest-card-bg:       #2d2320;
    --bpquest-card-shadow:   0 1px 3px rgba(0, 0, 0, 0.2), 0 4px 12px rgba(0, 0, 0, 0.15);
    --bpquest-card-shadow-hover: 0 4px 12px rgba(219, 96, 54, 0.2), 0 8px 24px rgba(0, 0, 0, 0.2);
    --bpquest-table-header-bg: var(--bpquest-primary-900);
    --bpquest-table-header-text: var(--bpquest-primary-100);
    --bpquest-table-stripe:  #251e1b;
    --bpquest-table-hover:   #3a2e29;
    --bpquest-input-bg:      #231c19;
    --bpquest-input-border:  #4a3d37;
    --bpquest-input-focus-shadow: 0 0 0 3px rgba(219, 96, 54, 0.25);
    --bpquest-topbar-bg:     #231c19;
    --bpquest-topbar-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
    --bpquest-overlay:       rgba(0, 0, 0, 0.6);
    --bpquest-badge-bg:      var(--bpquest-primary-900);
    --bpquest-badge-text:    var(--bpquest-primary-200);
    --bpquest-divider:       var(--bpquest-primary-900);
    --bpquest-link:          var(--bpquest-primary-300);
    --bpquest-link-hover:    var(--bpquest-primary-200);
}

/* Dark theme: override Frappe page wrapper, body, navbar */
.bpquest-portal[data-theme="Dark"] ~ *,
.bpquest-portal[data-theme="dark"] ~ * {
    background-color: #1a1412;
    color: #f0e8e3;
}

/* Inject dark styles on body/page level via JS-set class */
body.bpquest-dark {
    background-color: #1a1412 !important;
    color: #f0e8e3 !important;
}

body.bpquest-dark .navbar,
body.bpquest-dark .web-footer,
body.bpquest-dark footer,
body.bpquest-dark .page-header,
body.bpquest-dark .page_content,
body.bpquest-dark [data-page-container],
body.bpquest-dark .main-section,
body.bpquest-dark .container {
    background-color: #1a1412 !important;
    color: #f0e8e3 !important;
}

body.bpquest-dark .navbar {
    background-color: #231c19 !important;
    border-bottom: 1px solid #3a2e29;
}

body.bpquest-dark .navbar a,
body.bpquest-dark .navbar .nav-link {
    color: #c4b5ac !important;
}

body.bpquest-dark .navbar a:hover,
body.bpquest-dark .navbar .nav-link:hover {
    color: #6585a8 !important;
}

body.bpquest-dark .web-footer,
body.bpquest-dark footer {
    background-color: #231c19 !important;
    border-top: 1px solid #3a2e29;
    color: #8a7b73 !important;
}

body.bpquest-dark .web-footer a,
body.bpquest-dark footer a {
    color: #c4b5ac !important;
}

body.bpquest-dark .breadcrumb,
body.bpquest-dark .breadcrumb-item,
body.bpquest-dark .breadcrumb-item a {
    color: #8a7b73 !important;
}

/* ============================================
   4. BASE / LAYOUT
   ============================================ */
.bpquest-portal {
    background-color: var(--bpquest-bg);
    color: var(--bpquest-text);
    font-family: var(--bpquest-font);
    font-size: var(--bpquest-font-size-md);
    line-height: 1.45;
    min-height: 80vh;
    padding: var(--bpquest-space-lg) 0;
    transition: background-color var(--bpquest-transition-normal),
                color var(--bpquest-transition-normal);
}
/* Cascade the compact size to common inline elements that browsers reset
   to their own defaults — Bootstrap controls, form controls, tables. */
.bpquest-portal input,
.bpquest-portal select,
.bpquest-portal textarea,
.bpquest-portal button,
.bpquest-portal .btn,
.bpquest-portal .form-control,
.bpquest-portal .form-select,
.bpquest-portal table { font-size: var(--bpquest-font-size-md); }
.bpquest-portal .form-label,
.bpquest-portal label,
.bpquest-portal small,
.bpquest-portal .small,
.bpquest-portal .text-muted { font-size: var(--bpquest-font-size-sm); }
.bpquest-portal h1 { font-size: var(--bpquest-font-size-2xl); }
.bpquest-portal h2 { font-size: var(--bpquest-font-size-xl); }
.bpquest-portal h3 { font-size: var(--bpquest-font-size-lg); }
.bpquest-portal h4 { font-size: var(--bpquest-font-size-md); }
.bpquest-portal h5,
.bpquest-portal h6 { font-size: var(--bpquest-font-size-sm); }

.bpquest-portal a {
    color: var(--bpquest-link);
    transition: color var(--bpquest-transition-fast);
}

.bpquest-portal a:hover {
    color: var(--bpquest-link-hover);
}

.bpquest-portal .text-muted {
    color: var(--bpquest-text-muted) !important;
}

.bpquest-portal .lead {
    color: var(--bpquest-text-secondary);
}

.bpquest-portal hr {
    border-color: var(--bpquest-divider);
    opacity: 1;
}

/* ============================================
   5. HEADINGS & TYPOGRAPHY
   ============================================ */
.bpquest-portal h1,
.bpquest-portal h2,
.bpquest-portal h3,
.bpquest-portal h4,
.bpquest-portal h5 {
    color: var(--bpquest-text);
}

.bpquest-title {
    color: var(--bpquest-primary);
    font-weight: 700;
    font-size: var(--bpquest-font-size-3xl);
    letter-spacing: -0.02em;
}

.bpquest-subtitle {
    color: var(--bpquest-text-secondary);
    font-size: var(--bpquest-font-size-lg);
    font-weight: 400;
}

/* ============================================
   6. TOPBAR / NAVIGATION
   ============================================ */
.bpquest-topbar {
    background-color: var(--bpquest-topbar-bg);
    border: 1px solid var(--bpquest-border);
    border-radius: var(--bpquest-radius-lg);
    padding: var(--bpquest-space-sm) var(--bpquest-space-lg);
    box-shadow: var(--bpquest-topbar-shadow);
    transition: background-color var(--bpquest-transition-normal),
                border-color var(--bpquest-transition-normal),
                box-shadow var(--bpquest-transition-normal);
}

.bpquest-nav {
    display: flex;
    align-items: center;
    gap: var(--bpquest-space-xs);
    flex-wrap: wrap;
}

.bpquest-nav .btn {
    color: var(--bpquest-text);
    border-color: transparent;
    background: transparent;
    border-radius: var(--bpquest-radius-md);
    padding: 6px 14px;
    font-size: var(--bpquest-font-size-sm);
    font-weight: 600;
    transition: all var(--bpquest-transition-fast);
}

.bpquest-nav .btn:hover {
    background-color: var(--bpquest-primary-subtle);
    color: var(--bpquest-primary);
    border-color: transparent;
}

.bpquest-nav .btn:active {
    background-color: var(--bpquest-primary-light);
    color: var(--bpquest-primary-700);
}

.bpquest-nav .btn.active {
    background-color: var(--bpquest-primary);
    color: #fff;
}

/* ============================================
   7. BUTTONS
   ============================================ */
.bpquest-btn-primary {
    background-color: var(--bpquest-primary-700);
    border-color: var(--bpquest-primary-700);
    color: #ffffff;
    border-radius: var(--bpquest-radius-md);
    font-weight: 600;
    padding: 8px 20px;
    transition: all var(--bpquest-transition-fast);
    box-shadow: 0 1px 2px rgba(219, 96, 54, 0.2);
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.15);
}

.bpquest-btn-primary:hover,
.bpquest-btn-primary:focus {
    background-color: var(--bpquest-primary-800);
    border-color: var(--bpquest-primary-800);
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(219, 96, 54, 0.3);
    transform: translateY(-1px);
}

.bpquest-btn-primary:active {
    background-color: var(--bpquest-primary-900);
    border-color: var(--bpquest-primary-900);
    color: #ffffff;
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(219, 96, 54, 0.2);
}

.bpquest-btn-outline {
    background-color: transparent;
    border: 1.5px solid var(--bpquest-primary-600);
    color: var(--bpquest-primary-800);
    border-radius: var(--bpquest-radius-md);
    font-weight: 600;
    padding: 8px 20px;
    transition: all var(--bpquest-transition-fast);
}

.bpquest-btn-outline:hover {
    background-color: var(--bpquest-primary-100);
    border-color: var(--bpquest-primary-700);
    color: var(--bpquest-primary-900);
}

.bpquest-btn-success {
    background-color: #15713f;
    border-color: #15713f;
    color: #ffffff;
    border-radius: var(--bpquest-radius-md);
    font-weight: 600;
    padding: 8px 20px;
    transition: all var(--bpquest-transition-fast);
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.15);
}

.bpquest-btn-success:hover {
    background-color: #105e33;
    border-color: #105e33;
    color: #ffffff;
    transform: translateY(-1px);
}

.bpquest-btn-danger {
    background-color: #a02e22;
    border-color: #a02e22;
    color: #ffffff;
    border-radius: var(--bpquest-radius-md);
    font-weight: 600;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.15);
}

.bpquest-btn-danger:hover {
    background-color: #87261c;
    border-color: #87261c;
    color: #ffffff;
}

/* Button group */
.bpquest-btn-group {
    display: flex;
    gap: var(--bpquest-space-sm);
    align-items: center;
}

/* ============================================
   8. CARDS
   ============================================ */
.bpquest-card {
    background-color: var(--bpquest-card-bg);
    border: 1px solid var(--bpquest-border);
    border-radius: var(--bpquest-radius-lg);
    box-shadow: var(--bpquest-card-shadow);
    transition: transform var(--bpquest-transition-normal),
                box-shadow var(--bpquest-transition-normal),
                background-color var(--bpquest-transition-normal),
                border-color var(--bpquest-transition-normal);
    overflow: hidden;
}

.bpquest-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--bpquest-card-shadow-hover);
}

.bpquest-card .card-body {
    padding: var(--bpquest-space-lg);
}

.bpquest-card .card-title {
    color: var(--bpquest-primary);
    font-weight: 600;
    font-size: var(--bpquest-font-size-lg);
    margin-bottom: var(--bpquest-space-sm);
}

.bpquest-card .card-text {
    color: var(--bpquest-text-secondary);
    font-size: var(--bpquest-font-size-sm);
    line-height: 1.6;
}

/* Card with accent border-top */
.bpquest-card--accent {
    border-top: 3px solid var(--bpquest-primary);
}

/* ============================================
   9. TABLES
   ============================================ */
.bpquest-table {
    color: var(--bpquest-text);
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
    border-radius: var(--bpquest-radius-lg);
    overflow: hidden;
    border: 1px solid var(--bpquest-border);
}

.bpquest-table thead th {
    background-color: var(--bpquest-table-header-bg);
    color: var(--bpquest-table-header-text);
    font-weight: 600;
    font-size: var(--bpquest-font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border: none;
    padding: var(--bpquest-space-md) var(--bpquest-space-lg);
    border-bottom: 2px solid var(--bpquest-primary-200);
}

.bpquest-table tbody tr {
    transition: background-color var(--bpquest-transition-fast);
}

.bpquest-table tbody tr:nth-child(even) {
    background-color: var(--bpquest-table-stripe);
}

.bpquest-table tbody tr:hover {
    background-color: var(--bpquest-table-hover);
}

.bpquest-table tbody td {
    padding: var(--bpquest-space-md) var(--bpquest-space-lg);
    border-color: var(--bpquest-border-light);
    vertical-align: middle;
}

/* ============================================
   10. BADGES / STATUS
   ============================================ */
.bpquest-portal .badge {
    font-weight: 500;
    font-size: var(--bpquest-font-size-xs);
    padding: 4px 10px;
    border-radius: var(--bpquest-radius-full);
    letter-spacing: 0.02em;
}

.bpquest-portal .badge.bg-primary {
    background-color: var(--bpquest-primary-100) !important;
    color: var(--bpquest-primary-700) !important;
}

.bpquest-portal .badge.bg-success {
    background-color: var(--bpquest-success-light) !important;
    color: var(--bpquest-success) !important;
}

.bpquest-portal .badge.bg-danger {
    background-color: var(--bpquest-danger-light) !important;
    color: var(--bpquest-danger) !important;
}

.bpquest-portal .badge.bg-warning {
    background-color: var(--bpquest-warning-light) !important;
    color: var(--bpquest-warning) !important;
}

.bpquest-portal .badge.bg-info {
    background-color: var(--bpquest-info-light) !important;
    color: var(--bpquest-info) !important;
}

/* ============================================
   11. FORMS
   ============================================ */
.bpquest-portal .form-control,
.bpquest-portal .form-select {
    background-color: var(--bpquest-input-bg);
    border: 1.5px solid var(--bpquest-input-border);
    color: var(--bpquest-text);
    border-radius: var(--bpquest-radius-md);
    padding: 10px 14px;
    font-size: var(--bpquest-font-size-md);
    transition: border-color var(--bpquest-transition-fast),
                box-shadow var(--bpquest-transition-fast),
                background-color var(--bpquest-transition-fast);
}

.bpquest-portal .form-control:focus,
.bpquest-portal .form-select:focus {
    border-color: var(--bpquest-primary);
    box-shadow: var(--bpquest-input-focus-shadow);
    outline: none;
}

.bpquest-portal .form-control::placeholder {
    color: var(--bpquest-text-muted);
}

.bpquest-portal .form-label {
    color: var(--bpquest-text);
    font-weight: 600;
    font-size: var(--bpquest-font-size-sm);
    margin-bottom: 6px;
}

.bpquest-portal .form-check-input:checked {
    background-color: var(--bpquest-primary);
    border-color: var(--bpquest-primary);
}

.bpquest-portal .form-check-label {
    color: var(--bpquest-text);
}

/* File upload area */
.bpquest-portal .form-control[type="file"] {
    padding: 32px 12px;
    min-height: 120px;
    border-style: dashed;
}

.bpquest-portal .form-control[type="file"]:hover {
    border-color: var(--bpquest-primary);
    background-color: var(--bpquest-primary-subtle);
}

/* Ensure all button labels are white, including <a> links */
.bpquest-btn-primary,
.bpquest-btn-primary:hover,
.bpquest-btn-primary:focus,
.bpquest-btn-primary:active,
.bpquest-btn-primary:visited,
a.bpquest-btn-primary,
a.bpquest-btn-primary:hover,
a.bpquest-btn-primary:visited,
.bpquest-btn-success,
.bpquest-btn-success:hover,
.bpquest-btn-success:active,
a.bpquest-btn-success,
a.bpquest-btn-success:hover,
.bpquest-btn-danger,
.bpquest-btn-danger:hover,
.bpquest-btn-danger:active,
a.bpquest-btn-danger,
a.bpquest-btn-danger:hover {
    color: #ffffff !important;
    text-decoration: none;
}

/* ============================================
   12. PROGRESS BAR
   ============================================ */
.bpquest-portal .progress {
    background-color: var(--bpquest-bg-tertiary);
    border-radius: var(--bpquest-radius-full);
    overflow: hidden;
    height: 6px;
}

.bpquest-progress-bar {
    background: linear-gradient(90deg, var(--bpquest-primary-400), var(--bpquest-primary-600));
    transition: width var(--bpquest-transition-slow);
    border-radius: var(--bpquest-radius-full);
}

/* ============================================
   13. ALERTS
   ============================================ */
.bpquest-portal .alert {
    border-radius: var(--bpquest-radius-md);
    border: none;
    font-size: var(--bpquest-font-size-sm);
    padding: var(--bpquest-space-md) var(--bpquest-space-lg);
}

.bpquest-portal .alert-info {
    background-color: var(--bpquest-info-light);
    color: var(--bpquest-info);
    border-left: 4px solid var(--bpquest-info);
}

.bpquest-portal .alert-info a {
    color: var(--bpquest-info);
    font-weight: 600;
    text-decoration: underline;
}

/* ============================================
   14. LANGUAGE SWITCHER
   ============================================ */
.bpquest-lang-switcher .form-select {
    background-color: var(--bpquest-surface);
    border: 1.5px solid var(--bpquest-border);
    color: var(--bpquest-text-secondary);
    font-size: var(--bpquest-font-size-sm);
    border-radius: var(--bpquest-radius-md);
    padding: 4px 28px 4px 10px;
    transition: all var(--bpquest-transition-fast);
}

.bpquest-lang-switcher .form-select:hover {
    border-color: var(--bpquest-primary-300);
}

.bpquest-lang-switcher .form-select:focus {
    border-color: var(--bpquest-primary);
    box-shadow: var(--bpquest-input-focus-shadow);
}

/* ============================================
   15. QUESTION WIZARD
   ============================================ */
#question-wizard .question-card {
    border-left: 4px solid var(--bpquest-primary);
}

#question-wizard .question-card .card-title {
    color: var(--bpquest-text-secondary);
    font-size: var(--bpquest-font-size-sm);
    font-weight: 500;
}

#question-wizard .question-card .card-text.fw-bold {
    color: var(--bpquest-text);
    font-size: var(--bpquest-font-size-lg);
    line-height: 1.5;
}

/* ============================================
   16. EMPTY STATES
   ============================================ */
.bpquest-portal .text-center.py-5 {
    padding: var(--bpquest-space-3xl) var(--bpquest-space-lg) !important;
}

.bpquest-portal .text-center.py-5 .text-muted {
    font-size: var(--bpquest-font-size-lg);
}

/* ============================================
   17. HOME PAGE HERO
   ============================================ */
.bpquest-portal .row.g-4 .col-md-4 .bpquest-card {
    border-top: 3px solid var(--bpquest-primary);
}

.bpquest-portal .row.g-4 .col-md-4:nth-child(2) .bpquest-card {
    border-top-color: var(--bpquest-primary-400);
}

.bpquest-portal .row.g-4 .col-md-4:nth-child(3) .bpquest-card {
    border-top-color: var(--bpquest-primary-300);
}

/* ============================================
   18. SCROLLBAR (dark theme)
   ============================================ */
.bpquest-portal[data-theme="Dark"] ::-webkit-scrollbar,
.bpquest-portal[data-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.bpquest-portal[data-theme="Dark"] ::-webkit-scrollbar-track,
.bpquest-portal[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bpquest-bg-secondary);
}

.bpquest-portal[data-theme="Dark"] ::-webkit-scrollbar-thumb,
.bpquest-portal[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--bpquest-primary-800);
    border-radius: var(--bpquest-radius-full);
}

.bpquest-portal[data-theme="Dark"] ::-webkit-scrollbar-thumb:hover,
.bpquest-portal[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--bpquest-primary-600);
}

/* ============================================
   19. ANIMATIONS
   ============================================ */
@keyframes bpquest-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.bpquest-portal .container {
    animation: bpquest-fade-in var(--bpquest-transition-slow);
}

.question-card:not(.d-none) {
    animation: bpquest-fade-in var(--bpquest-transition-normal);
}

/* ============================================
   20. RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .bpquest-topbar {
        flex-direction: column;
        gap: var(--bpquest-space-sm);
        padding: var(--bpquest-space-sm) var(--bpquest-space-md);
    }

    .bpquest-nav {
        gap: 2px;
    }

    .bpquest-nav .btn {
        font-size: var(--bpquest-font-size-xs);
        padding: 5px 10px;
    }

    .bpquest-title {
        font-size: var(--bpquest-font-size-2xl);
    }

    .bpquest-table thead th,
    .bpquest-table tbody td {
        padding: var(--bpquest-space-sm) var(--bpquest-space-md);
        font-size: var(--bpquest-font-size-sm);
    }

    .bpquest-card .card-body {
        padding: var(--bpquest-space-md);
    }
}

@media (max-width: 480px) {
    .bpquest-nav {
        flex-direction: column;
        width: 100%;
    }

    .bpquest-nav .btn {
        width: 100%;
        text-align: left;
    }
}

/* Conditional-visibility: cards suppressed by a rule are kept in the
   DOM (so JS can re-show them when the trigger answer changes) but
   visually hidden. The .d-none Bootstrap class also covers wizard
   navigation. */
.question-card.bpquest-hidden-by-rule { display: none !important; }