/* ==========================================================================
   TabuadaPro - Regra de Três Interativa CSS (Design System Oficial Tabuada Focada)
   Herda 100% a identidade visual, botões, bordas e variáveis de cor da Tabuada Focada.
   ========================================================================== */

/* Overlay e Modal */
.rd3-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(4, 10, 16, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.rd3-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Container do Modal Concentrado (Mesmo fundo, borda e proporção da Tabuada Focada) */
.rd3-dashboard-container {
    background: var(--card-bg, rgba(13, 20, 38, 0.95));
    border: 1px solid var(--card-border, rgba(255, 255, 255, 0.08));
    border-radius: 20px;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(16, 185, 129, 0.08);
    color: var(--text-primary, #f8fafc);
    position: relative;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* Scrollbar Personalizada Elegante (Estilo Verde Accent) */
.rd3-dashboard-container::-webkit-scrollbar {
    width: 6px;
}
.rd3-dashboard-container::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.6);
    border-radius: 10px;
}
.rd3-dashboard-container::-webkit-scrollbar-thumb {
    background: rgba(16, 185, 129, 0.3);
    border-radius: 10px;
}
.rd3-dashboard-container::-webkit-scrollbar-thumb:hover {
    background: rgba(16, 185, 129, 0.6);
}

/* Botão Fechar Modal */
.rd3-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border, rgba(255, 255, 255, 0.08));
    color: var(--text-secondary, #94a3b8);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.rd3-close-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
    color: var(--danger, #ef4444);
    transform: rotate(90deg);
}

/* Cabeçalho do Painel (Padrão Tabuada Focada: Texto Branco com Destaque Lateral Verde) */
.rd3-header {
    text-align: left;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--card-border, rgba(255, 255, 255, 0.08));
}

.rd3-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-primary, #f8fafc);
    border-left: 4px solid var(--accent-green, #10b981);
    padding-left: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.rd3-subtitle {
    color: var(--text-secondary, #94a3b8);
    font-size: 0.88rem;
    padding-left: 14px;
}

/* ==========================================================================
   TELA 1: CONFIGURAÇÕES DO TREINO
   ========================================================================== */
.rd3-config-screen {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.rd3-config-group {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border, rgba(255, 255, 255, 0.08));
    border-radius: 14px;
    padding: 14px 16px;
}

/* Label de Configuração (Padrão Tabuada Focada: Texto Claro com Barra Lateral Verde) */
.rd3-config-label {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-primary, #f8fafc);
    /*border-left: 3px solid var(--accent-green, #10b981);*/
    padding-left: 8px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Grade de Opções de 3 Botões (Sempre em 1 única linha no Mobile e Desktop) */
.rd3-options-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    width: 100%;
}

.rd3-chip-btn {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--card-border, rgba(255, 255, 255, 0.08));
    border-radius: 10px;
    padding: 10px 6px;
    color: var(--text-secondary, #cbd5e1);
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.rd3-chip-btn:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary, #f8fafc);
    transform: translateY(-2px);
}

/* Botões Selecionados (Padrão Oficial Tabuada Focada) */
.rd3-chip-btn.selected {
    background: rgba(16, 185, 129, 0.15) !important;
    border-color: var(--accent-green, #10b981) !important;
    color: var(--accent-green, #10b981) !important;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.2) !important;
}

/* Cores de Dificuldade Padronizadas da Plataforma */
.rd3-chip-btn[data-diff="facil"].selected {
    background: rgba(16, 185, 129, 0.15) !important;
    border-color: var(--accent-green, #10b981) !important;
    color: var(--accent-green, #10b981) !important;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.2) !important;
}

.rd3-chip-btn[data-diff="medio"].selected {
    background: rgba(245, 158, 11, 0.15) !important;
    border-color: var(--warning, #f59e0b) !important;
    color: var(--warning, #f59e0b) !important;
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.2) !important;
}

.rd3-chip-btn[data-diff="dificil"].selected {
    background: rgba(239, 68, 68, 0.15) !important;
    border-color: var(--danger, #ef4444) !important;
    color: var(--danger, #ef4444) !important;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.2) !important;
}

/* Painel Explicativo "Como Funciona?" (Padrão Verde Accent) */
.rd3-how-it-works-box {
    background: rgba(16, 185, 129, 0.04);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: 14px;
    padding: 14px 16px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.rd3-how-it-works-icon {
    font-size: 1.4rem;
    line-height: 1;
}

.rd3-how-it-works-text h4 {
    color: var(--accent-green, #10b981);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.rd3-how-it-works-text p {
    color: var(--text-secondary, #94a3b8);
    font-size: 0.82rem;
    line-height: 1.45;
}

/* Botão Ver mais / Ver menos */
.rd3-toggle-more-btn {
    background: transparent;
    border: none;
    color: var(--accent-green, #10b981);
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    padding: 2px 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.rd3-toggle-more-btn:hover {
    opacity: 0.85;
    transform: translateY(1px);
}

/* Conteúdo Expandido com Transição de Altura Suave */
.rd3-expanded-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, margin-top 0.3s ease;
    margin-top: 0;
}

.rd3-expanded-content.expanded {
    max-height: 1400px;
    opacity: 1;
    margin-top: 14px;
}

.rd3-expanded-inner {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--card-border, rgba(255, 255, 255, 0.08));
}

.rd3-expanded-section h5 {
    color: var(--accent-green, #10b981);
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.rd3-expanded-section p {
    color: var(--text-secondary, #94a3b8);
    font-size: 0.82rem;
    line-height: 1.45;
    margin-bottom: 6px;
}

.rd3-expanded-section em {
    color: var(--text-primary, #f8fafc);
    font-style: italic;
}

.rd3-explanation-list, .rd3-explanation-steps {
    padding-left: 18px;
    margin-bottom: 6px;
}

.rd3-explanation-list li, .rd3-explanation-steps li {
    color: var(--text-secondary, #94a3b8);
    font-size: 0.82rem;
    line-height: 1.45;
    margin-bottom: 3px;
}

/* Botão Iniciar Treino (Padrão .btn-primary Oficial) */
.rd3-start-btn {
    background: var(--accent-green, #10b981);
    color: #0e2f31;
    border: none;
    border-radius: 14px;
    padding: 16px 24px;
    font-size: 1.1rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
}

.rd3-start-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(16, 185, 129, 0.4);
    filter: brightness(1.08);
}

/* ==========================================================================
   TELA 2: INTERFACE DO JOGO
   ========================================================================== */
.rd3-game-screen {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Status Bar do Jogo */
.rd3-game-status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border, rgba(255, 255, 255, 0.08));
    border-radius: 12px;
    padding: 8px 14px;
    font-size: 0.85rem;
}

.rd3-status-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    color: var(--accent-green, #10b981);
}

.rd3-status-score {
    color: var(--accent-green, #10b981);
    font-weight: 700;
}

/* Card Tecnológico do Enunciado */
.rd3-problem-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 14px;
    padding: 16px 18px;
    position: relative;
    box-shadow: inset 0 2px 8px rgba(255, 255, 255, 0.02);
}

.rd3-problem-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.rd3-problem-icon {
    width: 36px;
    height: 36px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green, #10b981);
}

.rd3-problem-category {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--accent-green, #10b981);
}

.rd3-problem-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary, #f8fafc);
}

.rd3-problem-statement {
    font-size: 0.98rem;
    font-weight: 600;
    line-height: 1.45;
    color: var(--text-secondary, #cbd5e1);
    white-space: pre-line;
}

/* --------------------------------------------------------------------------
   ETAPA 0 — CLASSIFICAÇÃO DA PROPORÇÃO (DIRETA OU INVERSA)
   -------------------------------------------------------------------------- */
.rd3-etapa0-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border, rgba(255, 255, 255, 0.08));
    border-radius: 14px;
    padding: 18px;
    text-align: center;
}

.rd3-etapa-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary, #f8fafc);
    /* border-left: 3px solid var(--accent-green, #10b981); */
    padding-left: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.rd3-proportion-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    width: 100%;
}

.rd3-prop-btn {
    background: rgba(15, 23, 42, 0.9);
    border: 2px solid var(--card-border, rgba(255, 255, 255, 0.12));
    border-radius: 12px;
    padding: 14px 10px;
    color: var(--text-primary, #f8fafc);
    font-weight: 700;
    font-size: 0.92rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.rd3-prop-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

.rd3-prop-btn.direta:hover {
    border-color: var(--accent-green, #10b981);
    background: rgba(16, 185, 129, 0.1);
}

.rd3-prop-btn.inversa:hover {
    border-color: #a855f7;
    background: rgba(168, 85, 247, 0.1);
}

.rd3-prop-btn.correct {
    background: rgba(16, 185, 129, 0.2) !important;
    border-color: var(--accent-green, #10b981) !important;
    color: var(--accent-green, #10b981) !important;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.35) !important;
}

.rd3-prop-btn.incorrect {
    background: rgba(239, 68, 68, 0.2) !important;
    border-color: var(--danger, #ef4444) !important;
    color: var(--danger, #ef4444) !important;
}

.rd3-feedback-hint {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: 10px;
    padding: 10px 14px;
    color: #fca5a5;
    font-size: 0.82rem;
    line-height: 1.4;
    display: none;
}

.rd3-feedback-hint.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.rd3-flip-animation-container {
    perspective: 1000px;
    margin: 10px 0;
    display: none;
}

.rd3-flip-card {
    background: rgba(168, 85, 247, 0.15);
    border: 2px dashed #a855f7;
    border-radius: 14px;
    padding: 12px 18px;
    color: #e9d5ff;
    font-weight: 700;
    font-size: 0.95rem;
    transform-style: preserve-3d;
    box-shadow: 0 0 16px rgba(168, 85, 247, 0.25);
}

/* --------------------------------------------------------------------------
   ETAPA 1 — TABELA 2x2 E DRAG AND DROP COM SNAP / CLICK-TO-PLACE
   -------------------------------------------------------------------------- */
.rd3-etapa1-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.rd3-table-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    width: 100%;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: 16px;
    padding: 16px;
    position: relative;
}

.rd3-table-header-col {
    text-align: center;
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--accent-green, #10b981);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--card-border, rgba(255, 255, 255, 0.1));
}

.rd3-drop-slot {
    min-height: 54px;
    background: rgba(255, 255, 255, 0.02);
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.2s ease;
    padding: 4px;
}

.rd3-drop-slot.hovered {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--accent-green, #10b981);
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
}

.rd3-drop-slot.filled {
    border-style: solid;
    border-color: var(--accent-green, #10b981);
    background: rgba(16, 185, 129, 0.08);
}

.rd3-pieces-pool-container {
    width: 100%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border, rgba(255, 255, 255, 0.08));
    border-radius: 14px;
    padding: 14px 16px;
}

.rd3-pool-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-secondary, #94a3b8);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    text-align: center;
}

.rd3-pieces-pool {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    min-height: 50px;
}

.rd3-draggable-piece {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: 10px;
    padding: 8px 14px;
    color: var(--text-primary, #f8fafc);
    font-weight: 700;
    font-size: 0.88rem;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s ease, border-color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 10;
}

.rd3-draggable-piece:active, .rd3-draggable-piece.dragging {
    cursor: grabbing;
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.35);
    border-color: var(--accent-green, #10b981);
    z-index: 100;
}

.rd3-draggable-piece.selected-piece {
    border-color: var(--warning, #f59e0b);
    box-shadow: 0 0 14px rgba(245, 158, 11, 0.5);
    transform: translateY(-3px);
}

.rd3-draggable-piece.placed {
    cursor: default;
    border-color: var(--accent-green, #10b981);
    background: rgba(16, 185, 129, 0.15);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.2);
    width: 100%;
    justify-content: center;
}

/* --------------------------------------------------------------------------
   ETAPA 2 — CÁLCULOS INTERMEDIÁRIOS (MULTIPLICAÇÃO & DIVISÃO)
   -------------------------------------------------------------------------- */
.rd3-etapa2-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.rd3-equation-display-card {
    background: rgba(15, 23, 42, 0.9);
    border: 2px solid var(--accent-green, #10b981);
    border-radius: 14px;
    padding: 14px 20px;
    width: 100%;
    text-align: center;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.15);
}

.rd3-equation-formula-text {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary, #f8fafc);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.5px;
}

.rd3-quiz-question-container {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border, rgba(255, 255, 255, 0.08));
    border-radius: 14px;
    padding: 16px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    text-align: center;
}

.rd3-quiz-question-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary, #f8fafc);
    /* border-left: 3px solid var(--accent-green, #10b981); */
    padding-left: 8px;
    font-family: 'JetBrains Mono', monospace;
}

.rd3-quiz-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    width: 100%;
}

.rd3-quiz-option-btn {
    background: rgba(15, 23, 42, 0.9);
    border: 2px solid var(--card-border, rgba(255, 255, 255, 0.12));
    border-radius: 12px;
    padding: 12px 10px;
    color: var(--text-primary, #f8fafc);
    font-weight: 800;
    font-size: 1.2rem;
    font-family: 'JetBrains Mono', monospace;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
}

.rd3-quiz-option-btn:hover {
    border-color: var(--accent-green, #10b981);
    background: rgba(16, 185, 129, 0.12);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.25);
}

.rd3-quiz-option-btn.correct {
    background: rgba(16, 185, 129, 0.25) !important;
    border-color: var(--accent-green, #10b981) !important;
    color: var(--accent-green, #10b981) !important;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4) !important;
}

.rd3-quiz-option-btn.incorrect {
    background: rgba(239, 68, 68, 0.25) !important;
    border-color: var(--danger, #ef4444) !important;
    color: var(--danger, #ef4444) !important;
}

/* Resultado Final da Questão Reduzido e Elegante */
.rd3-final-result-card {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--accent-green, #10b981);
    border-radius: 14px;
    padding: 14px 18px;
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.15);
}

.rd3-final-result-value {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--accent-green, #10b981);
    font-family: 'JetBrains Mono', monospace;
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

/* Botão Próxima Questão (Usando .btn-primary Padrão Oficial) */
.rd3-next-btn {
    background: var(--accent-green, #10b981);
    color: #0e2f31;
    border: none;
    border-radius: 10px;
    padding: 10px 24px;
    font-size: 0.95rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.rd3-next-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(16, 185, 129, 0.45);
    filter: brightness(1.08);
}

/* Animações CSS simples */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsividade Mobile */
@media (max-width: 600px) {
    .rd3-dashboard-container {
        padding: 16px 12px;
        border-radius: 16px;
    }
    .rd3-title {
        font-size: 1.3rem;
    }
    .rd3-proportion-buttons {
        grid-template-columns: 1fr;
    }
    .rd3-table-grid {
        gap: 8px;
        padding: 10px;
    }
    .rd3-drop-slot {
        min-height: 48px;
    }
    .rd3-draggable-piece {
        padding: 6px 10px;
        font-size: 0.82rem;
    }
    .rd3-quiz-option-btn {
        font-size: 1.05rem;
        padding: 10px 6px;
    }
}

/* ==========================================================================
   Estilos do Resumo de Desempenho em 3 Etapas (Tela Final)
   ========================================================================== */

/* 5 Cartões do Resumo Geral Superior */
.rd3-summary-5grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin: 16px 0;
}

.rd3-summary-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border, rgba(255, 255, 255, 0.08));
    border-radius: 12px;
    padding: 10px 6px;
    text-align: center;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.rd3-summary-card:hover {
    transform: translateY(-2px);
    border-color: rgba(16, 185, 129, 0.3);
}

.rd3-summary-label {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-secondary, #94a3b8);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rd3-summary-value {
    font-size: 1.2rem;
    font-weight: 800;
    margin-top: 4px;
}

.rd3-summary-value.score { color: var(--accent-green, #10b981); }
.rd3-summary-value.time { color: var(--warning, #f59e0b); }
.rd3-summary-value.correct { color: var(--accent-green, #10b981); }
.rd3-summary-value.wrong { color: var(--danger, #ef4444); }
.rd3-summary-value.accuracy { color: #38bdf8; }

/* Cards de Desempenho por Etapa */
.rd3-stage-perf-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--card-border, rgba(255, 255, 255, 0.08));
    border-left: 4px solid var(--accent-green, #10b981);
    border-radius: 14px;
    padding: 14px;
    margin-bottom: 12px;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: background 0.2s ease;
}

.rd3-stage-perf-card:hover {
    background: rgba(15, 23, 42, 0.85);
}

.rd3-stage-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.rd3-stage-title-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.rd3-stage-icon {
    font-size: 1.1rem;
}

.rd3-stage-title-text {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary, #f8fafc);
}

.rd3-stage-badge {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 20px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green, #10b981);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Métricas da Etapa */
.rd3-stage-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    padding: 8px;
    text-align: center;
}

.rd3-metric-item span {
    display: block;
    font-size: 0.65rem;
    color: var(--text-secondary, #94a3b8);
    text-transform: uppercase;
}

.rd3-metric-item strong {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary, #f8fafc);
}

/* Gráfico de Velocidade (Barras) */
.rd3-speed-chart-container {
    background: rgba(6, 9, 19, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    padding: 10px;
}

.rd3-speed-chart-title {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary, #94a3b8);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.rd3-chart-bars-wrapper {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 75px;
    gap: 8px;
    padding-top: 16px;
}

.rd3-chart-bar-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    height: 100%;
    justify-content: flex-end;
    position: relative;
}

.rd3-bar-top-val {
    font-size: 0.62rem;
    font-weight: 700;
    color: var(--text-secondary, #94a3b8);
    margin-bottom: 2px;
}

.rd3-chart-bar-track {
    width: 100%;
    max-width: 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    height: 100%;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.rd3-chart-bar-fill {
    width: 100%;
    border-radius: 4px;
    transition: height 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.rd3-chart-bar-fill.fast { background: var(--accent-green, #10b981); }
.rd3-chart-bar-fill.moderate { background: var(--warning, #f59e0b); }
.rd3-chart-bar-fill.slow { background: var(--danger, #ef4444); }

.rd3-bar-bottom-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-secondary, #94a3b8);
    margin-top: 4px;
}

@media (max-width: 500px) {
    .rd3-summary-5grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .rd3-stage-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }
}