/* =============================================== */
/* === BANCO DE QUESTÕES - DARK MODE SUPPORT   === */
/* === Semantic CSS Variables Architecture      === */
/* =============================================== */

/* === Page Scope Variables === */
:root {
    /* Question Card */
    --qb-card-bg: var(--bg-surface);
    --qb-card-border: var(--border-default);
    --qb-card-shadow: 0 6px 32px 0 rgba(0, 60, 120, 0.10), 0 1.5px 4px 0 rgba(0, 0, 0, .03);
    --qb-card-shadow-hover: 0 12px 36px 0 rgba(0, 60, 120, 0.18), 0 2px 8px 0 rgba(0, 0, 0, .04);
    
    /* Header Gradient */
    --qb-header-gradient: linear-gradient(90deg, var(--color-primary) 0%, #3ec6e0 100%);
    --qb-header-text: var(--text-inverse);
    
    /* Alternatives */
    --qb-alt-bg: var(--bg-surface-secondary);
    --qb-alt-border: var(--border-default);
    --qb-alt-hover-bg: var(--bg-hover);
    --qb-alt-hover-border: var(--color-primary-bg);
    --qb-alt-selected-bg: var(--color-primary-bg);
    --qb-alt-selected-border: var(--color-primary);
    --qb-alt-selected-text: var(--color-primary-text);
    --qb-alt-letra-bg: var(--bg-surface-secondary);
    --qb-alt-letra-border: var(--border-strong);
    
    /* Feedback States */
    --qb-correct-bg: var(--color-success-bg);
    --qb-correct-border: var(--color-success);
    --qb-correct-text: var(--color-success-text);
    --qb-incorrect-bg: var(--color-danger-bg);
    --qb-incorrect-border: var(--color-danger);
    --qb-incorrect-text: var(--color-danger-text);
    
    /* Filter Card */
    --qb-filter-bg: var(--bg-surface);
    --qb-filter-border: var(--border-default);
    --qb-filter-input-bg: var(--bg-input);
    
    /* Tags */
    --qb-tags-bg: var(--bg-surface-secondary);
    --qb-tags-border: var(--border-default);
    
    /* Skeleton */
    --qb-skeleton-base: var(--bg-surface-secondary);
    --qb-skeleton-shine: var(--bg-surface);
    
    /* Page Background */
    --qb-page-gradient: linear-gradient(135deg, var(--bg-body) 60%, var(--color-primary-bg) 100%);
}

/* === Dark Mode Overrides === */
[data-theme="dark"] {
    --qb-card-shadow: 0 6px 32px 0 rgba(0, 0, 0, 0.4), 0 1.5px 4px 0 rgba(0, 0, 0, .2);
    --qb-card-shadow-hover: 0 12px 36px 0 rgba(0, 0, 0, 0.5), 0 2px 8px 0 rgba(0, 0, 0, .3);
    --qb-header-gradient: linear-gradient(90deg, #2563eb 0%, #0891b2 100%);
    --qb-alt-letra-bg: var(--bg-surface-elevated);
    --qb-skeleton-base: #2a2a2a;
    --qb-skeleton-shine: #3a3a3a;
    --qb-page-gradient: linear-gradient(135deg, var(--bg-body) 60%, rgba(59, 130, 246, 0.08) 100%);
}

/* === Base Styles === */
html,
body {
    max-width: 100vw;
    overflow-x: hidden;
}

body {
    background: var(--qb-page-gradient);
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    color: var(--text-primary);
    transition: background var(--transition-slow), color var(--transition-slow);
}

.container {
    max-width: 950px;
    margin: 0 auto;
}

        /* Estilos para o ajuste de tamanho de fonte */
        .font-size-toggle {
            transition: all 0.2s ease;
        }

        .font-size-toggle:hover {
            transform: scale(1.05);
        }

        /* Tamanhos de fonte para o site */
        .font-size-small .questao-card .card-text,
        .font-size-small .questao-card .card-text *,
        .font-size-small .questao-card .form-check-label,
        .font-size-small .questao-card .feedback-alternativa,
        .font-size-small .questao-card .comentario-content {
            font-size: 0.9rem !important;
            line-height: 1.4 !important;
        }

        .font-size-medium .questao-card .card-text,
        .font-size-medium .questao-card .card-text *,
        .font-size-medium .questao-card .form-check-label,
        .font-size-medium .questao-card .feedback-alternativa,
        .font-size-medium .questao-card .comentario-content {
            font-size: 1rem !important;
            line-height: 1.5 !important;
        }

        .font-size-large .questao-card .card-text,
        .font-size-large .questao-card .card-text *,
        .font-size-large .questao-card .form-check-label,
        .font-size-large .questao-card .feedback-alternativa,
        .font-size-large .questao-card .comentario-content {
            font-size: 1.15rem !important;
            line-height: 1.6 !important;
        }

        .font-size-xlarge .questao-card .card-text,
        .font-size-xlarge .questao-card .card-text *,
        .font-size-xlarge .questao-card .form-check-label,
        .font-size-xlarge .questao-card .feedback-alternativa,
        .font-size-xlarge .questao-card .comentario-content {
            font-size: 1.3rem !important;
            line-height: 1.7 !important;
        }

        /* Estilos para prévia no modal */
        .font-small {
            font-size: 0.9rem !important;
        }

        .font-medium {
            font-size: 1rem !important;
        }

        .font-large {
            font-size: 1.15rem !important;
        }

        .font-xlarge {
            font-size: 1.3rem !important;
        }

        .font-preview {
            background-color: #f8f9fa;
            transition: all 0.3s ease;
        }

        /* Estilos para os novos componentes */
        .pagination-top {
            margin-bottom: 0;
        }

        .pagination-top .pagination {
            margin-bottom: 0;
        }

        .share-btn {
            transition: all 0.2s ease;
            min-width: 44px;
            min-height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid #dee2e6;
        }

        .share-btn:hover {
            background-color: #f0f7ff;
            transform: translateY(-2px);
            box-shadow: 0 3px 5px rgba(0, 0, 0, 0.1);
        }

        .font-size-controls .btn-group .btn {
            min-width: 44px;
            min-height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }

        .font-size-controls .btn-group .btn:hover {
            transform: translateY(-2px);
        }

        /* Estilo para questão destacada */
        .highlight-card {
            animation: highlight-pulse 2s ease;
        }

        @keyframes highlight-pulse {

            0%,
            100% {
                box-shadow: 0 6px 32px 0 rgba(0, 60, 120, 0.10), 0 1.5px 4px 0 rgba(0, 0, 0, .03);
            }

            50% {
                box-shadow: 0 0 0 3px #0d6efd, 0 6px 32px 0 rgba(0, 60, 120, 0.20);
            }
        }

        /* Melhorias de acessibilidade e responsividade */
        @media (max-width: 767px) {
            .pagination-top {
                margin-top: 1rem;
                width: 100%;
            }

            .font-size-controls {
                margin-top: 1rem;
            }

            .share-btn,
            .font-size-controls .btn-group .btn {
                min-width: 42px;
                min-height: 42px;
            }
        }

        .questao-card {
            margin-bottom: 2.5rem;
            border: none;
            border-radius: 1.2rem;
            box-shadow: var(--qb-card-shadow);
            background: var(--qb-card-bg);
            transition: box-shadow .2s, background-color var(--transition-slow);
            overflow: hidden;
        }

        .questao-card:hover {
            box-shadow: var(--qb-card-shadow-hover);
        }

        .questao-header {
            background: var(--qb-header-gradient);
            color: var(--qb-header-text);
            border-bottom: none;
            padding: 1.1rem 1.5rem;
        }

        .questao-header h5 {
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--qb-header-text);
        }

        .badge.bg-info-subtle {
            background: var(--color-primary-bg) !important;
            color: var(--color-primary) !important;
            font-weight: 600;
            font-size: 1.1em;
        }

        .card-body {
            padding: 2rem 1.5rem 1.5rem 1.5rem;
            background: var(--qb-card-bg);
            color: var(--text-primary);
        }
        
        .card-text {
            color: var(--text-primary);
        }

        .alternativas-form .form-check {
            margin-bottom: 1.1rem;
            position: relative;
        }

        .alternativas-form .form-check input[type="radio"] {
            display: none;
        }

        .alternativas-form .form-check label {
            display: flex;
            align-items: center;
            padding: 1.1rem 1.5rem;
            border: 2px solid var(--qb-alt-border);
            border-radius: 0.7rem;
            cursor: pointer;
            transition: background-color 0.3s, border-color 0.3s, color 0.3s;
            width: 100%;
            min-height: 54px;
            position: relative;
            background: var(--qb-alt-bg);
            font-size: 1.08em;
            font-weight: 500;
            box-shadow: 0 1px 8px 0 rgba(13, 110, 253, 0.03);
            color: var(--text-primary);
        }

        .alternativas-form .form-check label:hover {
            background-color: var(--qb-alt-hover-bg);
            border-color: var(--color-primary-bg);
        }

        .alternativas-form .form-check input[type="radio"]:checked+label {
            border-color: var(--color-primary);
            background-color: var(--qb-alt-selected-bg);
            color: var(--qb-alt-selected-text);
            font-weight: 700;
        }

        .alternativa-letra {
            font-weight: bold;
            margin-right: 1.1rem;
            border: 2px solid var(--qb-alt-letra-border);
            border-radius: 50%;
            width: 38px;
            height: 38px;
            display: inline-flex;
            justify-content: center;
            align-items: center;
            transition: all 0.3s;
            flex-shrink: 0;
            margin-top: 2px;
            font-size: 1.15em;
            background: var(--qb-alt-letra-bg);
            box-shadow: 0 1px 4px 0 rgba(13, 110, 253, 0.06);
            color: var(--text-primary);
        }

        .alternativas-form .form-check input[type="radio"]:checked+label .alternativa-letra {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--text-inverse);
        }

        .tesourinha-btn {
            position: absolute;
            right: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            background: none;
            border: none;
            outline: none;
            font-size: 1.25em;
            padding: 0.2em 0.4em;
            z-index: 2;
            transition: color 0.2s, background 0.2s;
        }

        .tesourinha-btn:hover {
            color: var(--color-danger);
            background: var(--color-danger-bg);
            border-radius: 50%;
        }

        .alternativa-descartada {
            text-decoration: line-through;
            opacity: 0.5;
            background: var(--color-danger-bg) !important;
            color: var(--color-danger-text) !important;
            transition: background 0.3s, color 0.3s, opacity 0.3s;
        }

        .highlighted {
            border-radius: 3px;
            padding: 0 2px;
            cursor: pointer;
        }

        .highlight-popup {
            position: absolute;
            z-index: 9999;
            display: flex;
            gap: 0.4em;
            background: var(--bg-surface);
            border-radius: 6px;
            box-shadow: var(--shadow-lg);
            padding: 0.3em 0.5em;
            border: 1px solid var(--border-default);
            align-items: center;
            animation: fadeIn .2s;
        }

        .highlight-popup .color-btn {
            width: 22px;
            height: 22px;
            border-radius: 4px;
            border: 2px solid var(--bg-surface);
            outline: 1.5px solid var(--text-muted);
            cursor: pointer;
            transition: outline .2s;
        }

        .highlight-popup .color-btn:hover,
        .highlight-popup .color-btn.active {
            outline: 2.5px solid var(--text-primary);
        }

        .highlight-popup .close-btn {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 1.1em;
            cursor: pointer;
            margin-left: 0.3em;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .card-footer-actions {
            background-color: transparent;
            border-top: 1px solid var(--border-default);
            padding: 0.75rem 1.25rem;
        }

        .filtro-status-select {
            min-width: 180px;
        }

        .assuntos-container {
            max-height: 180px;
            overflow-y: auto;
            border: 1px solid var(--border-default);
            border-radius: 0.5rem;
            padding: 0.5rem 0.7rem 0.5rem 0.7rem;
            background: var(--qb-alt-bg);
            transition: box-shadow 0.2s, background-color var(--transition-slow);
        }

        .assuntos-container::-webkit-scrollbar {
            width: 7px;
        }

        .assuntos-container::-webkit-scrollbar-thumb {
            background: var(--border-default);
            border-radius: 4px;
        }

        .assuntos-container .form-check {
            margin-bottom: 0.3rem;
        }
        
        .assuntos-container .form-check-label {
            color: var(--text-primary);
        }

        .assuntos-container .form-check:last-child {
            margin-bottom: 0;
        }

        .feedback-alternativa {
            display: none;
            margin-top: 0.7em;
            font-size: 0.98em;
            border-left: 3px solid var(--border-default);
            padding-left: 1em;
            color: var(--text-secondary);
            background: var(--bg-surface-secondary);
            border-radius: 0 0.5em 0.5em 0;
        }

        .feedback-correto {
            border-left-color: var(--color-success) !important;
            color: var(--color-success-text) !important;
            background: var(--color-success-bg) !important;
        }

        .feedback-incorreto {
            border-left-color: var(--color-danger) !important;
            color: var(--color-danger-text) !important;
            background: var(--color-danger-bg) !important;
            font-weight: 500 !important;
        }

        .show-feedback {
            display: block !important;
        }

        @media (max-width: 600px) {

            html,
            body {
                max-width: 100vw;
                overflow-x: hidden;
            }

            .container {
                max-width: 100vw;
                padding: 0 5px;
            }

            .questao-card {
                margin-bottom: 1.2rem;
            }

            .alternativas-form .form-check label {
                padding: 0.7rem 0.7rem;
                font-size: 0.98em;
            }

            .card-body {
                padding: 1.2rem 0.5rem 1rem 0.5rem;
            }

            .assuntos-container {
                max-height: 120px;
                padding: 0.3rem 0.3rem 0.3rem 0.3rem;
            }

            .tesourinha-btn {
                right: 8px;
            }
        }

        .active-like {
            background: var(--color-success) !important;
            color: var(--text-inverse) !important;
            border-color: var(--color-success) !important;
        }

        .active-like i {
            color: var(--text-inverse) !important;
        }

        .active-dislike {
            background: var(--color-danger) !important;
            color: var(--text-inverse) !important;
            border-color: var(--color-danger) !important;
        }

        .active-dislike i {
            color: var(--text-inverse) !important;
        }

        label.alternativa-correta-respondida,
        label.alternativa-correta {
            border-color: var(--color-success) !important;
            background-color: var(--color-success-bg) !important;
            color: var(--color-success-text) !important;
        }

        label.alternativa-incorreta-respondida,
        label.alternativa-incorreta {
            border-color: var(--color-danger) !important;
            background-color: var(--color-danger-bg) !important;
            color: var(--color-danger-text) !important;
        }

        .feedback-alternativa {
            display: none;
            margin-top: 0.7em;
            padding: 10px 15px;
            border-radius: 5px;
            background-color: var(--bg-surface-secondary);
            border-left: 4px solid var(--text-secondary);
            font-size: 0.95em;
            color: var(--text-primary);
        }

        .feedback-correto {
            background-color: var(--color-success-bg) !important;
            border-left-color: var(--color-success) !important;
            color: var(--color-success-text) !important;
        }

        .feedback-incorreto {
            background-color: var(--color-danger-bg) !important;
            border-left-color: var(--color-danger) !important;
            color: var(--color-danger-text) !important;
        }

        .show-feedback {
            display: block !important;
            animation: fadeIn 0.5s;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }

        /* Estilo para destacar melhor os badges das respostas do usuário */
        .badge.bg-primary,
        .badge.bg-danger,
        .badge.bg-info,
        .badge.bg-success {
            padding: 6px 8px;
            font-weight: 600;
            font-size: 0.8rem;
            display: inline-block;
            margin-right: 5px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }

        /* Estilo para o container de badges */
        .badge-container {
            margin-left: 10px;
            display: inline-block;
        }

        /* Estilo especial para o badge "SUA RESPOSTA" */
        .badge.sua-resposta {
            background-color: #0a58ca !important;
            color: white;
            font-weight: 700;
        }

        /* Estilo para questões compartilhadas via link */
        .questao-compartilhada {
            border: 2px solid #0d6efd !important;
            position: relative;
        }

        .questao-compartilhada {
            position: relative;
            border: 2px solid #0d6efd;
            box-shadow: 0 5px 15px rgba(13, 110, 253, 0.15) !important;
            animation: highlight-shared-question 1.5s ease;
        }

        @keyframes highlight-shared-question {
            0% {
                transform: translateY(10px);
                opacity: 0.7;
                box-shadow: 0 0 0 rgba(13, 110, 253, 0);
            }

            50% {
                transform: translateY(0);
                opacity: 1;
                box-shadow: 0 0 20px rgba(13, 110, 253, 0.5);
            }

            100% {
                transform: translateY(0);
                opacity: 1;
                box-shadow: 0 5px 15px rgba(13, 110, 253, 0.15);
            }
        }

        .questao-compartilhada::before {
            content: "🔗 Questão Compartilhada";
            position: absolute;
            top: -10px;
            left: 20px;
            background: #0d6efd;
            color: white;
            padding: 2px 12px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 600;
            z-index: 10;
        }

        .questao-compartilhada .card-header {
            background-color: rgba(13, 110, 253, 0.1);
        }

        /* Sistema de Tags */
        .tags-container {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .tag-btn {
            padding: 4px 8px;
            border-radius: 50%;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            border: 1px solid;
            transition: all 0.2s ease;
            position: relative;
            overflow: hidden;
        }

        .tag-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }

        .tag-btn.active {
            transform: scale(1.05);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .tag-btn:not(.active):hover {
            background-color: rgba(var(--bs-primary-rgb), 0.1) !important;
            color: var(--bs-primary) !important;
        }

        .tag-btn i {
            font-size: 12px;
        }

        /* Animação para feedback de clique */
        .tag-btn.clicked {
            animation: tagClick 0.3s ease;
        }

        @keyframes tagClick {
            0% {
                transform: scale(1);
            }

            50% {
                transform: scale(1.2);
            }

            100% {
                transform: scale(1.05);
            }
        }

        /* Filtros de Tags */
        .tags-filter-container {
            padding: 15px;
            background-color: var(--bg-surface-secondary);
            border-radius: 8px;
            border: 1px solid var(--border-default);
            transition: background-color var(--transition-slow), border-color var(--transition-slow);
        }

        .tag-filter-btn {
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.2s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .tag-filter-btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .tag-filter-btn.active {
            box-shadow: var(--shadow-md);
        }

        .tag-filter-btn i {
            font-size: 12px;
        }

        /* Responsividade */
        @media (max-width: 768px) {
            .tag-btn {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }

            .tag-btn i {
                font-size: 10px;
            }

            .tag-filter-btn {
                padding: 6px 12px;
                font-size: 12px;
            }

            .tag-filter-btn i {
                font-size: 10px;
            }
        }

/* =============================================== */
/* === FILTER CARD - DARK MODE                 === */
/* =============================================== */
.filtro-card {
    background: var(--qb-card-bg);
    border: 1px solid var(--border-default);
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

.filtro-card .card-body {
    background: var(--qb-card-bg);
}

.filtro-card .form-label {
    color: var(--text-primary);
    font-weight: 500;
}

.filtro-card .form-select,
.filtro-card .form-control {
    background-color: var(--bg-input);
    border-color: var(--border-strong);
    color: var(--text-primary);
    transition: background-color var(--transition-slow), border-color var(--transition-slow), color var(--transition-slow);
}

.filtro-card .form-select:focus,
.filtro-card .form-control:focus {
    background-color: var(--bg-input);
    border-color: var(--color-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem var(--color-primary-bg);
}

.filtro-card .form-select option {
    background-color: var(--bg-surface);
    color: var(--text-primary);
}

/* =============================================== */
/* === MODAL - DARK MODE                       === */
/* =============================================== */
.modal-content {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
    transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

.modal-header {
    border-bottom-color: var(--border-default);
    background-color: var(--bg-surface);
}

.modal-header .modal-title {
    color: var(--text-primary);
}

.modal-header .btn-close {
    filter: var(--bs-btn-close-white-filter, none);
}

[data-theme="dark"] .modal-header .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

.modal-body {
    background-color: var(--bg-surface);
    color: var(--text-primary);
}

.modal-footer {
    border-top-color: var(--border-default);
    background-color: var(--bg-surface);
}

/* =============================================== */
/* === ALERTS - DARK MODE                      === */
/* =============================================== */
.alert-info {
    background-color: var(--color-info-bg);
    border-color: var(--color-info);
    color: var(--color-info-text);
}

.alert-primary {
    background-color: var(--color-primary-bg);
    border-color: var(--color-primary);
    color: var(--color-primary-text);
}

/* =============================================== */
/* === PAGINATION - DARK MODE                  === */
/* =============================================== */
.page-link {
    background-color: var(--bg-surface);
    border-color: var(--border-default);
    color: var(--color-primary);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.page-link:hover {
    background-color: var(--bg-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.page-item.active .page-link {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--text-inverse);
}

.page-item.disabled .page-link {
    background-color: var(--state-disabled-bg);
    border-color: var(--border-default);
    color: var(--state-disabled-text);
}

/* =============================================== */
/* === COMMENTS SECTION - DARK MODE            === */
/* =============================================== */
.comentario-item {
    background-color: var(--bg-surface);
    border-color: var(--border-default) !important;
    color: var(--text-primary);
}

.comentario-item .text-primary {
    color: var(--color-primary) !important;
}

.comentario-item .text-muted {
    color: var(--text-secondary) !important;
}

.list-group-item {
    background-color: var(--bg-surface);
    border-color: var(--border-default);
    color: var(--text-primary);
}

/* =============================================== */
/* === BUTTONS - ENHANCED DARK MODE            === */
/* =============================================== */
.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border-strong);
}

.btn-outline-secondary:hover {
    background-color: var(--bg-hover);
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-outline-primary {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--text-inverse);
}

/* Share button */
.share-btn {
    background-color: var(--bg-surface);
    border-color: var(--border-default);
    color: var(--text-secondary);
}

.share-btn:hover {
    background-color: var(--bg-hover);
    color: var(--color-primary);
}

/* =============================================== */
/* === NOTION-INSPIRED DARK MODE SYSTEM        === */
/* === Clean, Flat, Minimalist UI              === */
/* =============================================== */

/* 
 * Design Philosophy (Notion/Linear inspired):
 * - Soft dark backgrounds, never pure black
 * - Subtle 1px borders instead of shadows
 * - Transparent/minimal default states
 * - Soft hover transitions
 * - High readability with proper contrast
 */

/* === SOFT DARK COLOR PALETTE === */
[data-theme="dark"] {
    --notion-bg-page: #191919;
    --notion-bg-card: #1e1e1e;
    --notion-bg-elevated: #252525;
    --notion-bg-hover: rgba(255, 255, 255, 0.055);
    --notion-bg-active: rgba(255, 255, 255, 0.085);
    --notion-bg-input: #1a1a1a;
    --notion-border: rgba(255, 255, 255, 0.08);
    --notion-border-strong: rgba(255, 255, 255, 0.13);
    --notion-text: #ebebeb;
    --notion-text-secondary: #9b9b9b;
    --notion-text-muted: #5f5f5f;
    --notion-accent: #3b82f6;
    --notion-accent-soft: rgba(59, 130, 246, 0.12);
}

/* ============================================= */
/* === 1. CARD HEADER - NOTION STYLE         === */
/* ============================================= */

/* Base card header reset for both themes */
.card > .card-header,
.questao-card > .card-header,
.filtro-card > .card-header {
    border-radius: 0;
    box-shadow: none;
}

/* Light mode - Clean flat header */
.card-header:not(.questao-header) {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-default);
    color: var(--text-primary);
}

/* Dark mode - Subtle distinction with 1px border */
[data-theme="dark"] .card > .card-header:not(.questao-header),
[data-theme="dark"] .questao-card > .card-header:not(.questao-header),
[data-theme="dark"] .filtro-card > .card-header,
[data-theme="dark"] .card-header:not(.questao-header) {
    background-color: var(--notion-bg-elevated) !important;
    border-bottom: 1px solid var(--notion-border-strong) !important;
    color: var(--notion-text) !important;
    box-shadow: none !important;
}

/* Header text elements */
[data-theme="dark"] .card-header h1,
[data-theme="dark"] .card-header h2,
[data-theme="dark"] .card-header h3,
[data-theme="dark"] .card-header h4,
[data-theme="dark"] .card-header h5,
[data-theme="dark"] .card-header h6,
[data-theme="dark"] .card-header .card-title,
[data-theme="dark"] .card-header span,
[data-theme="dark"] .card-header strong {
    color: var(--notion-text) !important;
}

/* Header icons - subtle */
[data-theme="dark"] .card-header i,
[data-theme="dark"] .card-header .bi,
[data-theme="dark"] .card-header svg {
    color: var(--notion-text-secondary) !important;
    opacity: 0.8;
}

/* Header badges - soft accent */
[data-theme="dark"] .card-header .badge {
    background-color: var(--notion-accent-soft) !important;
    color: var(--notion-accent) !important;
    border: 1px solid var(--notion-border);
    font-weight: 500;
}

/* Filter card specific */
[data-theme="dark"] .filtro-card .card-header {
    background-color: transparent !important;
    border-bottom: 1px solid var(--notion-border) !important;
}

/* ============================================= */
/* === 2. ALTERNATIVES - CLEAN & READABLE    === */
/* ============================================= */

/* Container reset */
[data-theme="dark"] .alternativas-form {
    background-color: transparent;
}

/* Default option state - transparent/minimal */
[data-theme="dark"] .alternativas-form .form-check {
    background-color: transparent;
}

[data-theme="dark"] .alternativas-form .form-check label {
    background-color: transparent;
    border: 1px solid var(--notion-border);
    border-radius: 8px;
    color: var(--notion-text);
    transition: all 0.15s ease;
}

/* Hover state - soft highlight */
[data-theme="dark"] .alternativas-form .form-check label:hover {
    background-color: var(--notion-bg-hover);
    border-color: var(--notion-border-strong);
}

/* Selected state - soft accent */
[data-theme="dark"] .alternativas-form .form-check input[type="radio"]:checked + label,
[data-theme="dark"] .alternativas-form .form-check input[type="checkbox"]:checked + label {
    background-color: var(--notion-accent-soft);
    border-color: var(--notion-accent);
    color: var(--notion-text);
}

/* Letter badge in alternatives */
[data-theme="dark"] .alternativas-form .alternativa-letra {
    background-color: var(--notion-bg-hover);
    border: 1px solid var(--notion-border-strong);
    color: var(--notion-text-secondary);
}

[data-theme="dark"] .alternativas-form .form-check input:checked + label .alternativa-letra {
    background-color: var(--notion-accent);
    border-color: var(--notion-accent);
    color: #fff;
}

/* Feedback - correct answer */
[data-theme="dark"] .alternativas-form .form-check label.correct,
[data-theme="dark"] .alternativas-form .form-check label.resposta-correta,
[data-theme="dark"] .alternativas-form .form-check label[class*="correct"] {
    background-color: rgba(16, 185, 129, 0.12) !important;
    border-color: #10b981 !important;
    color: #34d399 !important;
}

/* Feedback - incorrect answer */
[data-theme="dark"] .alternativas-form .form-check label.incorrect,
[data-theme="dark"] .alternativas-form .form-check label.resposta-incorreta,
[data-theme="dark"] .alternativas-form .form-check label[class*="incorrect"] {
    background-color: rgba(239, 68, 68, 0.12) !important;
    border-color: #ef4444 !important;
    color: #f87171 !important;
}

/* List group items - flat style */
[data-theme="dark"] .list-group-item {
    background-color: var(--notion-bg-card);
    border: 1px solid var(--notion-border);
    color: var(--notion-text);
}

[data-theme="dark"] .list-group-item:hover {
    background-color: var(--notion-bg-hover);
}

/* ============================================= */
/* === 3. COMMENTS & INPUTS - FLAT DESIGN    === */
/* ============================================= */

/* Global form control reset - FLAT, no shadows */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] textarea.form-control,
[data-theme="dark"] input.form-control,
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="search"],
[data-theme="dark"] input[type="number"] {
    background-color: var(--notion-bg-input) !important;
    border: 1px solid var(--notion-border-strong) !important;
    color: var(--notion-text) !important;
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

/* Focus state - subtle accent border only */
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus,
[data-theme="dark"] textarea.form-control:focus,
[data-theme="dark"] input.form-control:focus {
    background-color: var(--notion-bg-input) !important;
    border-color: var(--notion-accent) !important;
    color: var(--notion-text) !important;
    box-shadow: none !important;
    outline: none !important;
}

/* Placeholder - muted but readable */
[data-theme="dark"] .form-control::placeholder,
[data-theme="dark"] textarea::placeholder,
[data-theme="dark"] input::placeholder {
    color: var(--notion-text-muted) !important;
    opacity: 1 !important;
}

[data-theme="dark"] .form-control::-webkit-input-placeholder { color: var(--notion-text-muted) !important; }
[data-theme="dark"] .form-control::-moz-placeholder { color: var(--notion-text-muted) !important; }
[data-theme="dark"] .form-control:-ms-input-placeholder { color: var(--notion-text-muted) !important; }

/* Comment textarea specific */
[data-theme="dark"] .comentario-section textarea,
[data-theme="dark"] .questao-card textarea,
[data-theme="dark"] .card-body textarea,
[data-theme="dark"] textarea {
    background-color: var(--notion-bg-input) !important;
    border: 1px solid var(--notion-border-strong) !important;
    color: var(--notion-text) !important;
    box-shadow: none !important;
    resize: vertical;
}

[data-theme="dark"] textarea:focus {
    border-color: var(--notion-accent) !important;
    box-shadow: none !important;
}

/* Comment display items */
[data-theme="dark"] .comentario-item,
[data-theme="dark"] .comentario-content,
[data-theme="dark"] .comentario-text {
    background-color: var(--notion-bg-elevated);
    border: 1px solid var(--notion-border);
    border-radius: 8px;
    color: var(--notion-text);
}

[data-theme="dark"] .comentario-item .text-primary,
[data-theme="dark"] .comentario-item strong {
    color: var(--notion-text) !important;
}

[data-theme="dark"] .comentario-item .text-muted,
[data-theme="dark"] .comentario-item small {
    color: var(--notion-text-secondary) !important;
}

/* Select dropdown options */
[data-theme="dark"] .form-select option {
    background-color: var(--notion-bg-card);
    color: var(--notion-text);
}

/* Labels */
[data-theme="dark"] .form-label,
[data-theme="dark"] label:not(.form-check-label) {
    color: var(--notion-text-secondary);
    font-weight: 500;
}

[data-theme="dark"] .form-check-label {
    color: var(--notion-text);
}

/* Disabled state */
[data-theme="dark"] .form-control:disabled,
[data-theme="dark"] .form-select:disabled,
[data-theme="dark"] .form-control[readonly] {
    background-color: var(--notion-bg-hover) !important;
    color: var(--notion-text-muted) !important;
    border-color: var(--notion-border) !important;
    opacity: 0.7;
}

/* Input groups */
[data-theme="dark"] .input-group-text {
    background-color: var(--notion-bg-elevated);
    border: 1px solid var(--notion-border-strong);
    color: var(--notion-text-secondary);
}

/* ============================================= */
/* === 4. ADDITIONAL NOTION-STYLE RESETS     === */
/* ============================================= */

/* Card body */
[data-theme="dark"] .card-body {
    background-color: var(--notion-bg-card);
    color: var(--notion-text);
}

/* Card general */
[data-theme="dark"] .card {
    background-color: var(--notion-bg-card);
    border: 1px solid var(--notion-border);
    box-shadow: none;
}

/* Question card text */
[data-theme="dark"] .questao-card .card-text,
[data-theme="dark"] .questao-card p,
[data-theme="dark"] .card-text {
    color: var(--notion-text);
}

/* Muted text */
[data-theme="dark"] .text-muted {
    color: var(--notion-text-secondary) !important;
}

/* Bootstrap close button */
[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.6;
}

[data-theme="dark"] .btn-close:hover {
    opacity: 1;
}

/* Scrollbars - Notion style */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: transparent;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 5px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* =============================================== */
/* === QUESTION CARD - DARK MODE FIX           === */
/* === Fixes for card-header & alternatives    === */
/* =============================================== */

/* 
 * BUG FIX: Card header and alternatives have a "gray fog" overlay
 * caused by Bootstrap's default rgba backgrounds not being reset.
 * These selectors use high specificity to override Bootstrap.
 */

/* === 1. QUESTAO-CONTAINER - Solid Dark Background === */
[data-theme="dark"] .questao-container {
    background-color: var(--notion-bg-card, #1e1e1e) !important;
    border: 1px solid var(--notion-border, rgba(255, 255, 255, 0.08));
    box-shadow: none;
}

/* === 2. CARD HEADER - Remove Gray Fog === */
/* Force solid dark background, remove any transparency */
/* Target ALL possible Bootstrap gradient/bg classes */
[data-theme="dark"] .questao-container .card-header,
[data-theme="dark"] .questao-card .card-header,
[data-theme="dark"] .card .card-header,
[data-theme="dark"] .questao-header,
[data-theme="dark"] .questao-card .card-header.bg-gradient-primary,
[data-theme="dark"] .card-header.bg-gradient-primary,
[data-theme="dark"] .card-header[class*="bg-"] {
    background-color: var(--notion-bg-elevated, #252525) !important;
    background: var(--notion-bg-elevated, #252525) !important;
    background-image: none !important;
    border-bottom: 1px solid var(--notion-border-strong, rgba(255, 255, 255, 0.13)) !important;
    color: var(--notion-text, #ebebeb) !important;
    box-shadow: none !important;
    opacity: 1 !important;
}

/* Header text - ensure white/off-white text */
/* Override any .text-muted, .text-secondary inside header */
[data-theme="dark"] .questao-container .card-header *,
[data-theme="dark"] .questao-card .card-header *,
[data-theme="dark"] .questao-header *,
[data-theme="dark"] .card-header h1,
[data-theme="dark"] .card-header h2,
[data-theme="dark"] .card-header h3,
[data-theme="dark"] .card-header h4,
[data-theme="dark"] .card-header h5,
[data-theme="dark"] .card-header h6,
[data-theme="dark"] .card-header span,
[data-theme="dark"] .card-header div,
[data-theme="dark"] .card-header p,
[data-theme="dark"] .card-header i,
[data-theme="dark"] .card-header svg {
    color: var(--notion-text, #ebebeb) !important;
    fill: var(--notion-text, #ebebeb) !important;
    opacity: 1 !important;
}

/* Override .text-muted inside header to be readable */
[data-theme="dark"] .questao-card .card-header .text-muted,
[data-theme="dark"] .card-header .text-muted,
[data-theme="dark"] .questao-header .text-muted {
    color: #b0b0b0 !important;
    opacity: 1 !important;
}

/* Override .text-white to remain white */
[data-theme="dark"] .card-header .text-white,
[data-theme="dark"] .card-header.text-white,
[data-theme="dark"] .questao-card .card-header.text-white {
    color: var(--notion-text, #ebebeb) !important;
}

/* Header badges - soft accent */
[data-theme="dark"] .questao-container .card-header .badge,
[data-theme="dark"] .questao-card .card-header .badge,
[data-theme="dark"] .questao-header .badge,
[data-theme="dark"] .card-header .badge-modern {
    background-color: var(--notion-accent-soft, rgba(59, 130, 246, 0.12)) !important;
    background: var(--notion-accent-soft, rgba(59, 130, 246, 0.12)) !important;
    color: var(--notion-accent, #3b82f6) !important;
    border: 1px solid var(--notion-border, rgba(255, 255, 255, 0.08)) !important;
    opacity: 1 !important;
}

/* Badge variants in header */
[data-theme="dark"] .card-header .badge-id,
[data-theme="dark"] .card-header .badge-disciplina,
[data-theme="dark"] .card-header .badge-assunto,
[data-theme="dark"] .card-header .badge-banca,
[data-theme="dark"] .card-header .badge-verificada {
    background: rgba(255, 255, 255, 0.08) !important;
    color: var(--notion-text, #ebebeb) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
}

/* User tags in header */
[data-theme="dark"] .card-header .badge-user-tag {
    opacity: 1 !important;
}

/* Action buttons in header */
[data-theme="dark"] .card-header .btn-action,
[data-theme="dark"] .card-header button {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    color: var(--notion-text, #ebebeb) !important;
    opacity: 1 !important;
}

[data-theme="dark"] .card-header .btn-action:hover,
[data-theme="dark"] .card-header button:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    border-color: rgba(255, 255, 255, 0.2) !important;
}

/* === 3. ALTERNATIVES - Remove White/Gray Film === */
/* List group items - solid dark background */
[data-theme="dark"] .questao-container .list-group-item,
[data-theme="dark"] .questao-card .list-group-item,
[data-theme="dark"] .alternativa-item,
[data-theme="dark"] .alternativa {
    background-color: var(--notion-bg-card, #1e1e1e) !important;
    background: var(--notion-bg-card, #1e1e1e) !important;
    border: 1px solid var(--notion-border, rgba(255, 255, 255, 0.08)) !important;
    color: var(--notion-text, #ebebeb) !important;
    box-shadow: none !important;
}

/* Alternative text - explicit white */
[data-theme="dark"] .questao-container .list-group-item *,
[data-theme="dark"] .alternativa-item *,
[data-theme="dark"] .alternativa .texto-alternativa,
[data-theme="dark"] .alternativa span {
    color: var(--notion-text, #ebebeb) !important;
}

/* === 4. HOVER STATES - Subtle Dark Highlight === */
[data-theme="dark"] .questao-container .list-group-item:hover,
[data-theme="dark"] .questao-card .list-group-item:hover,
[data-theme="dark"] .alternativa-item:hover,
[data-theme="dark"] .alternativa:hover {
    background-color: var(--notion-bg-hover, rgba(255, 255, 255, 0.055)) !important;
    background: var(--notion-bg-hover, rgba(255, 255, 255, 0.055)) !important;
    border-color: var(--notion-border-strong, rgba(255, 255, 255, 0.13)) !important;
}

/* === 5. SELECTED STATE - Soft Blue Accent (NOT Blinding) === */
[data-theme="dark"] .questao-container .list-group-item.selected,
[data-theme="dark"] .questao-container .list-group-item.active,
[data-theme="dark"] .questao-card .list-group-item.selected,
[data-theme="dark"] .questao-card .list-group-item.active,
[data-theme="dark"] .alternativa-item.selected,
[data-theme="dark"] .alternativa-item.active,
[data-theme="dark"] .alternativa.selected {
    background-color: var(--notion-accent-soft, rgba(59, 130, 246, 0.12)) !important;
    background: var(--notion-accent-soft, rgba(59, 130, 246, 0.12)) !important;
    border-color: var(--notion-accent, #3b82f6) !important;
    color: var(--notion-text, #ebebeb) !important;
}

[data-theme="dark"] .alternativa.selected .letra-alternativa {
    background-color: var(--notion-accent, #3b82f6) !important;
    color: #fff !important;
}

/* === 6. CORRECT/INCORRECT FEEDBACK - Readable Colors === */
/* Correct answer */
[data-theme="dark"] .questao-container .list-group-item.correta,
[data-theme="dark"] .questao-card .list-group-item.correta,
[data-theme="dark"] .alternativa-item.correta,
[data-theme="dark"] .alternativa.correta {
    background-color: rgba(16, 185, 129, 0.15) !important;
    background: rgba(16, 185, 129, 0.15) !important;
    border-color: #10b981 !important;
    color: #34d399 !important;
}

[data-theme="dark"] .alternativa.correta *,
[data-theme="dark"] .alternativa-item.correta * {
    color: #34d399 !important;
}

[data-theme="dark"] .alternativa.correta .letra-alternativa {
    background-color: #10b981 !important;
    color: #fff !important;
}

/* Incorrect answer */
[data-theme="dark"] .questao-container .list-group-item.incorreta,
[data-theme="dark"] .questao-card .list-group-item.incorreta,
[data-theme="dark"] .alternativa-item.incorreta,
[data-theme="dark"] .alternativa.incorreta {
    background-color: rgba(239, 68, 68, 0.15) !important;
    background: rgba(239, 68, 68, 0.15) !important;
    border-color: #ef4444 !important;
    color: #f87171 !important;
}

[data-theme="dark"] .alternativa.incorreta *,
[data-theme="dark"] .alternativa-item.incorreta * {
    color: #f87171 !important;
}

[data-theme="dark"] .alternativa.incorreta .letra-alternativa {
    background-color: #ef4444 !important;
    color: #fff !important;
}

/* === 7. LETTER BADGES - Proper Contrast === */
[data-theme="dark"] .letra-alternativa {
    background-color: var(--notion-bg-hover, rgba(255, 255, 255, 0.055)) !important;
    border: 1px solid var(--notion-border-strong, rgba(255, 255, 255, 0.13)) !important;
    color: var(--notion-text-secondary, #9b9b9b) !important;
}

/* === 8. META ITEMS & TAGS - Dark Friendly === */
[data-theme="dark"] .questao-container .meta-item,
[data-theme="dark"] .questao-meta .meta-item {
    background-color: var(--notion-bg-hover, rgba(255, 255, 255, 0.055)) !important;
    border: 1px solid var(--notion-border, rgba(255, 255, 255, 0.08));
    color: var(--notion-text-secondary, #9b9b9b) !important;
}

[data-theme="dark"] .questao-container .questao-tags .tag-questao,
[data-theme="dark"] .tag-questao {
    background-color: var(--notion-bg-hover, rgba(255, 255, 255, 0.055)) !important;
    border: 1px solid var(--notion-border, rgba(255, 255, 255, 0.08)) !important;
    color: var(--notion-text-secondary, #9b9b9b) !important;
}

[data-theme="dark"] .tag-questao.ativa {
    background-color: var(--notion-accent-soft, rgba(59, 130, 246, 0.12)) !important;
    border-color: var(--notion-accent, #3b82f6) !important;
    color: var(--notion-accent, #3b82f6) !important;
}

/* === 9. FEEDBACK CONTAINER === */
[data-theme="dark"] .feedback-container {
    background-color: var(--notion-bg-elevated, #252525) !important;
    border: 1px solid var(--notion-border, rgba(255, 255, 255, 0.08));
    color: var(--notion-text, #ebebeb) !important;
}

/* === 9.1 ALTERNATIVE EXPLANATION ALERTS - DARK MODE === */
/* Fix for white text on light background in feedback alerts */
[data-theme="dark"] .alternativa-item .alert,
[data-theme="dark"] .questao-card .alert,
[data-theme="dark"] .card-body .alert {
    color: var(--notion-text, #ebebeb) !important;
}

/* Alert Info - Explanation boxes */
[data-theme="dark"] .alternativa-item .alert-info,
[data-theme="dark"] .questao-card .alert-info,
[data-theme="dark"] .card-body .alert-info {
    background-color: rgba(59, 130, 246, 0.12) !important;
    background: rgba(59, 130, 246, 0.12) !important;
    border-color: rgba(59, 130, 246, 0.3) !important;
    color: #93c5fd !important;
}

[data-theme="dark"] .alternativa-item .alert-info *,
[data-theme="dark"] .questao-card .alert-info *,
[data-theme="dark"] .card-body .alert-info * {
    color: #93c5fd !important;
}

[data-theme="dark"] .alternativa-item .alert-info strong,
[data-theme="dark"] .questao-card .alert-info strong {
    color: #bfdbfe !important;
}

[data-theme="dark"] .alternativa-item .alert-info i,
[data-theme="dark"] .questao-card .alert-info i {
    color: #60a5fa !important;
}

/* Alert Primary - AI Commentary boxes */
[data-theme="dark"] .questao-card .alert-primary,
[data-theme="dark"] .card-body .alert-primary {
    background-color: rgba(59, 130, 246, 0.15) !important;
    background: rgba(59, 130, 246, 0.15) !important;
    border-color: rgba(59, 130, 246, 0.35) !important;
    color: #93c5fd !important;
}

[data-theme="dark"] .questao-card .alert-primary *,
[data-theme="dark"] .card-body .alert-primary * {
    color: #93c5fd !important;
}

[data-theme="dark"] .questao-card .alert-primary strong,
[data-theme="dark"] .questao-card .alert-primary .fs-5 {
    color: #bfdbfe !important;
}

[data-theme="dark"] .questao-card .alert-primary i,
[data-theme="dark"] .questao-card .alert-primary .bi-robot {
    color: #60a5fa !important;
}

/* Alert Success - Correct answer feedback */
[data-theme="dark"] .alternativa-item .alert-success,
[data-theme="dark"] .questao-card .alert-success {
    background-color: rgba(16, 185, 129, 0.15) !important;
    background: rgba(16, 185, 129, 0.15) !important;
    border-color: rgba(16, 185, 129, 0.35) !important;
    color: #34d399 !important;
}

[data-theme="dark"] .alternativa-item .alert-success *,
[data-theme="dark"] .questao-card .alert-success * {
    color: #34d399 !important;
}

/* Alert Danger - Incorrect answer feedback */
[data-theme="dark"] .alternativa-item .alert-danger,
[data-theme="dark"] .questao-card .alert-danger {
    background-color: rgba(239, 68, 68, 0.15) !important;
    background: rgba(239, 68, 68, 0.15) !important;
    border-color: rgba(239, 68, 68, 0.35) !important;
    color: #f87171 !important;
}

[data-theme="dark"] .alternativa-item .alert-danger *,
[data-theme="dark"] .questao-card .alert-danger * {
    color: #f87171 !important;
}

/* Feedback alternativa class (legacy) */
[data-theme="dark"] .feedback-alternativa {
    background-color: var(--notion-bg-elevated, #252525) !important;
    border-left-color: var(--notion-border-strong, rgba(255, 255, 255, 0.2)) !important;
    color: var(--notion-text, #ebebeb) !important;
}

[data-theme="dark"] .feedback-alternativa.feedback-correto {
    background-color: rgba(16, 185, 129, 0.12) !important;
    border-left-color: #10b981 !important;
    color: #34d399 !important;
}

[data-theme="dark"] .feedback-alternativa.feedback-incorreto {
    background-color: rgba(239, 68, 68, 0.12) !important;
    border-left-color: #ef4444 !important;
    color: #f87171 !important;
}

/* =============================================== */
/* === 10. CARD FOOTER - DARK MODE             === */
/* =============================================== */

/* 
 * Override Bootstrap .bg-light and fix card-footer
 * to use dark surfaces in Dark Mode
 */

/* Card footer base - remove .bg-light glare */
[data-theme="dark"] .card-footer,
[data-theme="dark"] .card-footer.bg-light,
[data-theme="dark"] .questao-card .card-footer,
[data-theme="dark"] .card .card-footer {
    background-color: var(--notion-bg-card, #1e1e1e) !important;
    background: var(--notion-bg-card, #1e1e1e) !important;
    border-top: 1px solid var(--notion-border, rgba(255, 255, 255, 0.08)) !important;
    color: var(--notion-text, #ebebeb) !important;
}

/* Footer action buttons */
[data-theme="dark"] .card-footer .btn-outline-secondary {
    background-color: transparent !important;
    border-color: var(--notion-border-strong, rgba(255, 255, 255, 0.13)) !important;
    color: var(--notion-text-secondary, #9b9b9b) !important;
}

[data-theme="dark"] .card-footer .btn-outline-secondary:hover {
    background-color: var(--notion-bg-hover, rgba(255, 255, 255, 0.055)) !important;
    border-color: var(--notion-text-secondary, #9b9b9b) !important;
    color: var(--notion-text, #ebebeb) !important;
}

/* Collapse section inside footer */
[data-theme="dark"] .card-footer .collapse,
[data-theme="dark"] .card-footer .collapsing {
    background-color: transparent !important;
}

/* "Seja o primeiro a comentar" and other muted text */
[data-theme="dark"] .card-footer .text-muted,
[data-theme="dark"] .card-footer p.text-muted {
    color: var(--notion-text-muted, #5f5f5f) !important;
}

/* Comment form container */
[data-theme="dark"] .card-footer .comment-form,
[data-theme="dark"] .card-footer form {
    background-color: transparent;
}

/* =============================================== */
/* === 11. QUILL EDITOR - DARK MODE            === */
/* =============================================== */

/* 
 * Quill.js Rich Text Editor - Full Dark Mode Support
 * Targets: .ql-toolbar, .ql-container, .ql-editor, .ql-snow
 */

/* Quill container wrapper */
[data-theme="dark"] .quill-editor,
[data-theme="dark"] .ql-container,
[data-theme="dark"] .ql-container.ql-snow {
    background-color: var(--notion-bg-input, #1a1a1a) !important;
    border: 1px solid var(--notion-border-strong, rgba(255, 255, 255, 0.13)) !important;
    border-top: none !important;
    color: var(--notion-text, #ebebeb) !important;
}

/* Quill editor content area */
[data-theme="dark"] .ql-editor {
    background-color: var(--notion-bg-input, #1a1a1a) !important;
    color: var(--notion-text, #ebebeb) !important;
    caret-color: var(--notion-text, #ebebeb);
}

/* Quill placeholder text */
[data-theme="dark"] .ql-editor.ql-blank::before {
    color: var(--notion-text-muted, #5f5f5f) !important;
    font-style: italic;
}

/* Quill toolbar */
[data-theme="dark"] .ql-toolbar,
[data-theme="dark"] .ql-toolbar.ql-snow {
    background-color: var(--notion-bg-elevated, #252525) !important;
    border: 1px solid var(--notion-border-strong, rgba(255, 255, 255, 0.13)) !important;
    border-bottom: 1px solid var(--notion-border, rgba(255, 255, 255, 0.08)) !important;
}

/* Toolbar buttons */
[data-theme="dark"] .ql-toolbar button,
[data-theme="dark"] .ql-toolbar .ql-picker-label {
    color: var(--notion-text-secondary, #9b9b9b) !important;
}

[data-theme="dark"] .ql-toolbar button:hover,
[data-theme="dark"] .ql-toolbar .ql-picker-label:hover {
    color: var(--notion-text, #ebebeb) !important;
}

/* Toolbar button SVG icons - stroke color */
[data-theme="dark"] .ql-toolbar button .ql-stroke,
[data-theme="dark"] .ql-toolbar .ql-picker-label .ql-stroke {
    stroke: var(--notion-text-secondary, #9b9b9b) !important;
}

[data-theme="dark"] .ql-toolbar button:hover .ql-stroke,
[data-theme="dark"] .ql-toolbar .ql-picker-label:hover .ql-stroke,
[data-theme="dark"] .ql-toolbar button.ql-active .ql-stroke {
    stroke: var(--notion-accent, #3b82f6) !important;
}

/* Toolbar button SVG icons - fill color */
[data-theme="dark"] .ql-toolbar button .ql-fill,
[data-theme="dark"] .ql-toolbar .ql-picker-label .ql-fill {
    fill: var(--notion-text-secondary, #9b9b9b) !important;
}

[data-theme="dark"] .ql-toolbar button:hover .ql-fill,
[data-theme="dark"] .ql-toolbar .ql-picker-label:hover .ql-fill,
[data-theme="dark"] .ql-toolbar button.ql-active .ql-fill {
    fill: var(--notion-accent, #3b82f6) !important;
}

/* Active toolbar buttons */
[data-theme="dark"] .ql-toolbar button.ql-active,
[data-theme="dark"] .ql-toolbar .ql-picker-label.ql-active {
    color: var(--notion-accent, #3b82f6) !important;
}

/* Toolbar dropdowns (font, size, etc.) */
[data-theme="dark"] .ql-toolbar .ql-picker {
    color: var(--notion-text-secondary, #9b9b9b) !important;
}

[data-theme="dark"] .ql-toolbar .ql-picker-options {
    background-color: var(--notion-bg-elevated, #252525) !important;
    border: 1px solid var(--notion-border-strong, rgba(255, 255, 255, 0.13)) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .ql-toolbar .ql-picker-item {
    color: var(--notion-text-secondary, #9b9b9b) !important;
}

[data-theme="dark"] .ql-toolbar .ql-picker-item:hover {
    background-color: var(--notion-bg-hover, rgba(255, 255, 255, 0.055)) !important;
    color: var(--notion-text, #ebebeb) !important;
}

[data-theme="dark"] .ql-toolbar .ql-picker-item.ql-selected {
    color: var(--notion-accent, #3b82f6) !important;
}

/* Quill snow theme border reset */
[data-theme="dark"] .ql-snow .ql-picker.ql-expanded .ql-picker-label {
    border-color: var(--notion-border-strong, rgba(255, 255, 255, 0.13)) !important;
}

[data-theme="dark"] .ql-snow .ql-picker.ql-expanded .ql-picker-options {
    border-color: var(--notion-border-strong, rgba(255, 255, 255, 0.13)) !important;
}

/* Quill tooltip (for links, etc.) */
[data-theme="dark"] .ql-tooltip {
    background-color: var(--notion-bg-elevated, #252525) !important;
    border: 1px solid var(--notion-border-strong, rgba(255, 255, 255, 0.13)) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
    color: var(--notion-text, #ebebeb) !important;
}

[data-theme="dark"] .ql-tooltip input[type="text"] {
    background-color: var(--notion-bg-input, #1a1a1a) !important;
    border: 1px solid var(--notion-border-strong, rgba(255, 255, 255, 0.13)) !important;
    color: var(--notion-text, #ebebeb) !important;
}

[data-theme="dark"] .ql-tooltip a {
    color: var(--notion-accent, #3b82f6) !important;
}

/* Focus state for Quill */
[data-theme="dark"] .ql-container.ql-snow:focus-within,
[data-theme="dark"] .quill-editor:focus-within {
    border-color: var(--notion-accent, #3b82f6) !important;
}

/* =============================================== */
/* === 12. COMMENTS LIST - DARK MODE           === */
/* =============================================== */

/* Individual comment items */
[data-theme="dark"] .comentario-item,
[data-theme="dark"] .comment-item,
[data-theme="dark"] .card-footer .list-group-item {
    background-color: var(--notion-bg-elevated, #252525) !important;
    border: 1px solid var(--notion-border, rgba(255, 255, 255, 0.08)) !important;
    border-radius: 8px;
    color: var(--notion-text, #ebebeb) !important;
    margin-bottom: 0.5rem;
}

/* Comment author name */
[data-theme="dark"] .comentario-item .text-primary,
[data-theme="dark"] .comentario-item strong,
[data-theme="dark"] .comment-item .author-name {
    color: var(--notion-text, #ebebeb) !important;
}

/* Comment timestamp */
[data-theme="dark"] .comentario-item .text-muted,
[data-theme="dark"] .comentario-item small,
[data-theme="dark"] .comment-item .timestamp {
    color: var(--notion-text-muted, #5f5f5f) !important;
}

/* Comment content */
[data-theme="dark"] .comentario-content,
[data-theme="dark"] .comment-content,
[data-theme="dark"] .comentario-text {
    color: var(--notion-text, #ebebeb) !important;
}

/* Comment actions (edit, delete buttons) */
[data-theme="dark"] .comentario-item .btn-sm,
[data-theme="dark"] .comment-actions .btn {
    color: var(--notion-text-secondary, #9b9b9b) !important;
    background-color: transparent !important;
    border-color: transparent !important;
}

[data-theme="dark"] .comentario-item .btn-sm:hover,
[data-theme="dark"] .comment-actions .btn:hover {
    color: var(--notion-text, #ebebeb) !important;
    background-color: var(--notion-bg-hover, rgba(255, 255, 255, 0.055)) !important;
}

/* Publish button in comment form */
[data-theme="dark"] .card-footer .btn-primary,
[data-theme="dark"] .comment-form .btn-primary {
    background-color: var(--notion-accent, #3b82f6) !important;
    border-color: var(--notion-accent, #3b82f6) !important;
    color: #fff !important;
}

[data-theme="dark"] .card-footer .btn-primary:hover,
[data-theme="dark"] .comment-form .btn-primary:hover {
    background-color: #2563eb !important;
    border-color: #2563eb !important;
}

/* Empty state text */
[data-theme="dark"] .card-footer .empty-state,
[data-theme="dark"] .no-comments-text {
    color: var(--notion-text-muted, #5f5f5f) !important;
}

/* =============================================== */
/* === NOTION-STYLE FILTER SECTION             === */
/* === Minimalist, Flat, Dark Mode Ready       === */
/* =============================================== */

.filtro-notion {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 20px 24px;
    transition: all var(--transition-slow);
}

/* Search Row */
.filtro-search-row {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.search-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrapper .search-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
    transition: color var(--transition-fast);
}

.search-input-wrapper:focus-within .search-icon {
    color: var(--color-primary);
}

.filtro-input.search-input {
    padding-left: 42px;
    padding-right: 40px;
}

.clear-search-btn {
    position: absolute;
    right: 10px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 6px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.clear-search-btn:hover {
    color: var(--color-danger);
    background: var(--color-danger-bg);
}

.filtro-btn-search {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.filtro-btn-search:hover {
    background: var(--bg-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filtro-btn-search:active {
    transform: scale(0.98);
}

/* Filters Grid */
.filtro-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.filtro-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filtro-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
}

.filtro-label i {
    font-size: 0.8rem;
    opacity: 0.7;
}

/* Shared Input/Select Styles */
.filtro-input,
.filtro-select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.filtro-input::placeholder {
    color: var(--text-muted);
}

.filtro-input:hover,
.filtro-select:hover {
    border-color: var(--border-strong);
}

.filtro-input:focus,
.filtro-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}

/* Select Arrow */
.filtro-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%236c757d' d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
    padding-right: 36px;
    cursor: pointer;
}

[data-theme="dark"] .filtro-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%239ca3af' d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
}

.filtro-select option {
    background: var(--bg-surface);
    color: var(--text-primary);
    padding: 8px;
}

/* Filtro Sections (Assuntos, Tags) */
.filtro-section {
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
    margin-top: 16px;
}

.filtro-section .filtro-label {
    margin-bottom: 12px;
}

/* Assuntos Chips */
.filtro-notion .assuntos-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.assunto-chip {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background: var(--bg-surface-secondary);
    border: 1px solid var(--border-default);
    border-radius: 20px;
    font-size: 0.813rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.assunto-chip input {
    display: none;
}

.assunto-chip:hover {
    background: var(--bg-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.assunto-chip.active,
.assunto-chip:has(input:checked) {
    background: var(--color-primary-bg);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Tags Chips */
.filtro-notion .tags-filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: transparent;
    border: 1.5px solid var(--tag-color, var(--border-strong));
    border-radius: 20px;
    font-size: 0.813rem;
    color: var(--tag-color, var(--text-secondary));
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tag-chip i {
    font-size: 0.75rem;
}

.tag-chip:hover {
    background: color-mix(in srgb, var(--tag-color, var(--color-primary)) 10%, transparent);
    transform: translateY(-1px);
}

.tag-chip.active {
    background: var(--tag-color, var(--color-primary));
    color: white;
    border-color: var(--tag-color, var(--color-primary));
}

/* Action Buttons */
.filtro-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
}

.filtro-btn-primary {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    background: var(--color-primary);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filtro-btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--color-primary-bg);
}

.filtro-btn-primary:active {
    transform: scale(0.98);
}

.filtro-btn-ghost {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    background: transparent;
    border: 1px solid var(--border-default);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.filtro-btn-ghost:hover {
    background: var(--bg-hover);
    border-color: var(--color-danger);
    color: var(--color-danger);
}

/* Responsive */
@media (max-width: 992px) {
    .filtro-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .filtro-notion {
        padding: 16px;
    }

    .filtro-search-row {
        flex-direction: column;
    }

    .filtro-btn-search {
        width: 100%;
    }

    .filtro-grid {
        grid-template-columns: 1fr;
    }

    .filtro-actions {
        flex-direction: column;
    }

    .filtro-btn-ghost {
        order: 1;
    }
}

/* Autocomplete adjustments for Notion style */
.filtro-notion .autocomplete-wrapper {
    position: relative;
}

.filtro-notion .autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    max-height: 250px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    display: none;
}

.filtro-notion .autocomplete-dropdown.show {
    display: block;
    animation: dropdownFadeIn 0.2s ease;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.filtro-notion .autocomplete-item {
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.filtro-notion .autocomplete-item:last-child {
    border-bottom: none;
}

.filtro-notion .autocomplete-item:hover {
    background: var(--bg-hover);
}

.filtro-notion .clear-banca-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.filtro-notion .clear-banca-btn:hover {
    color: var(--color-danger);
    background: var(--color-danger-bg);
}