/* ========================================
   SISTEMA DE QUIZ - DESIGN MODERNO
   ======================================== */

/* ========== LISTA DE QUIZZES ========== */
#quizzes-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
}

.quiz-card {
    background: linear-gradient(145deg, rgba(26, 26, 26, 0.98), rgba(15, 15, 15, 0.95));
    border: 1px solid rgba(100, 100, 100, 0.2);
    border-radius: 16px;
    padding: 1.75rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.quiz-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--cor-primaria), var(--cor-secundaria));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.quiz-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(230, 126, 34, 0.5);
    box-shadow: 
        0 12px 32px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(230, 126, 34, 0.3);
}

.quiz-card:hover::before {
    opacity: 1;
}

.quiz-card:active {
    transform: translateY(-4px) scale(1);
}

.quiz-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.quiz-icon {
    font-size: 3rem;
    animation: float 3s ease-in-out infinite;
}

.quiz-card-title {
    font-family: var(--font-destaque);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cor-primaria);
    margin: 0;
    line-height: 1.3;
}

.quiz-card-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.quiz-card-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.quiz-stat {
    text-align: center;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    border: 1px solid rgba(100, 100, 100, 0.2);
}

.quiz-stat-value {
    display: block;
    font-family: var(--font-destaque);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cor-primaria);
    margin-bottom: 0.25rem;
}

.quiz-stat-label {
    display: block;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quiz-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.quiz-difficulty {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quiz-difficulty.beginner {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: #fff;
    box-shadow: 0 3px 10px rgba(46, 204, 113, 0.3);
}

.quiz-difficulty.intermediate {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: #fff;
    box-shadow: 0 3px 10px rgba(243, 156, 18, 0.3);
}

.quiz-difficulty.advanced {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: #fff;
    box-shadow: 0 3px 10px rgba(231, 76, 60, 0.3);
}

.quiz-start-btn {
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    color: #fff;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px rgba(230, 126, 34, 0.4);
    flex: 1;
}

.quiz-start-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 24px rgba(230, 126, 34, 0.6);
}

.quiz-start-btn:active {
    transform: translateY(0) scale(1);
}

/* ========== INTERFACE DO QUIZ ========== */
#quiz-interface {
    display: flex;
    flex-direction: column;
    height: 100%;
    animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.quiz-header {
    background: linear-gradient(145deg, rgba(26, 26, 26, 0.98), rgba(15, 15, 15, 0.95));
    border: 1px solid rgba(230, 126, 34, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
}

.quiz-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cor-primaria), var(--cor-secundaria));
}

.quiz-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.quiz-title-main {
    font-family: var(--font-destaque);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--cor-primaria);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quiz-timer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 50px;
    border: 1px solid rgba(230, 126, 34, 0.3);
}

.quiz-timer-icon {
    font-size: 1.5rem;
}

.quiz-timer-text {
    font-family: var(--font-destaque);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cor-primaria);
    min-width: 65px;
    text-align: center;
}

.quiz-timer.warning .quiz-timer-text {
    color: #e74c3c;
    animation: pulse 1s infinite;
}

.quiz-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.quiz-progress-bar-container {
    flex: 1;
    height: 10px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50px;
    overflow: hidden;
    border: 1px solid rgba(100, 100, 100, 0.3);
}

.quiz-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--cor-primaria), var(--cor-secundaria));
    border-radius: 50px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 15px rgba(230, 126, 34, 0.5);
}

.quiz-progress-text {
    font-family: var(--font-destaque);
    font-size: 1.1rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
    white-space: nowrap;
}

/* ========== QUESTÃO ========== */
.quiz-question-container {
    flex: 1;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.95), rgba(18, 18, 18, 0.95));
    border: 1px solid rgba(100, 100, 100, 0.2);
    border-radius: 12px;
    padding: 2.5rem;
    overflow-y: auto;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.quiz-question-number {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    color: #fff;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 3px 10px rgba(230, 126, 34, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quiz-question-text {
    font-size: 1.35rem;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.quiz-option {
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, rgba(30, 30, 30, 0.8), rgba(20, 20, 20, 0.8));
    border: 2px solid rgba(100, 100, 100, 0.2);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.quiz-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--cor-primaria), var(--cor-secundaria));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.quiz-option:hover {
    background: linear-gradient(135deg, rgba(40, 40, 40, 0.9), rgba(30, 30, 30, 0.9));
    border-color: rgba(230, 126, 34, 0.5);
    transform: translateX(6px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.quiz-option:hover::before {
    opacity: 1;
}

.quiz-option-letter {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    font-family: var(--font-destaque);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--cor-primaria);
    border: 2px solid rgba(230, 126, 34, 0.3);
}

.quiz-option-text {
    flex: 1;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.quiz-option.selected {
    background: linear-gradient(135deg, rgba(230, 126, 34, 0.2), rgba(255, 87, 34, 0.2));
    border-color: var(--cor-primaria);
    transform: translateX(6px);
}

.quiz-option.selected::before {
    opacity: 1;
}

.quiz-option.selected .quiz-option-letter {
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    color: #fff;
    box-shadow: 0 3px 10px rgba(230, 126, 34, 0.5);
}

.quiz-option.correct {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.2), rgba(39, 174, 96, 0.2));
    border-color: #2ecc71;
    pointer-events: none;
}

.quiz-option.correct::before {
    background: linear-gradient(180deg, #2ecc71, #27ae60);
    opacity: 1;
}

.quiz-option.correct .quiz-option-letter {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: #fff;
    border-color: #2ecc71;
}

.quiz-option.wrong {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.2), rgba(192, 57, 43, 0.2));
    border-color: #e74c3c;
    pointer-events: none;
}

.quiz-option.wrong::before {
    background: linear-gradient(180deg, #e74c3c, #c0392b);
    opacity: 1;
}

.quiz-option.wrong .quiz-option-letter {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: #fff;
    border-color: #e74c3c;
}

/* ========== EXPLICAÇÃO ========== */
.quiz-explanation {
    margin-top: 2rem;
    padding: 1.75rem;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.15), rgba(41, 128, 185, 0.1));
    border-left: 4px solid #3498db;
    border-radius: 8px;
    animation: slideInUp 0.4s ease;
}

.quiz-explanation-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    color: #3498db;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.quiz-explanation-text {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    font-size: 1rem;
}

/* ========== BOTÕES DE NAVEGAÇÃO ========== */
.quiz-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(100, 100, 100, 0.2);
}

.quiz-nav-btn {
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    color: #fff;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px rgba(230, 126, 34, 0.4);
    min-width: 160px;
}

.quiz-nav-btn:hover:not(:disabled) {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 24px rgba(230, 126, 34, 0.6);
}

.quiz-nav-btn:active:not(:disabled) {
    transform: translateY(0) scale(1);
}

.quiz-nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    box-shadow: none;
}

.quiz-nav-btn.secondary {
    background: linear-gradient(135deg, rgba(80, 80, 80, 0.5), rgba(60, 60, 60, 0.5));
    border: 1px solid rgba(100, 100, 100, 0.3);
}

.quiz-nav-btn.secondary:hover:not(:disabled) {
    background: linear-gradient(135deg, rgba(100, 100, 100, 0.6), rgba(80, 80, 80, 0.6));
}

/* ========== RESULTADOS ========== */
#quiz-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3rem 2rem;
    text-align: center;
    animation: fadeIn 0.6s ease;
}

.quiz-results-icon {
    font-size: 8rem;
    margin-bottom: 1.5rem;
    animation: bounceIn 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.quiz-results-title {
    font-family: var(--font-destaque);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.quiz-results-score {
    font-family: var(--font-destaque);
    font-size: 5rem;
    font-weight: 700;
    color: var(--cor-primaria);
    margin-bottom: 0.5rem;
    text-shadow: 0 4px 16px rgba(230, 126, 34, 0.5);
}

.quiz-results-message {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.quiz-results-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    width: 100%;
    max-width: 700px;
    margin-bottom: 2.5rem;
}

.quiz-result-stat {
    padding: 2rem;
    background: linear-gradient(145deg, rgba(26, 26, 26, 0.98), rgba(15, 15, 15, 0.95));
    border: 1px solid rgba(100, 100, 100, 0.2);
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.quiz-result-stat-value {
    display: block;
    font-family: var(--font-destaque);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--cor-primaria);
    margin-bottom: 0.5rem;
}

.quiz-result-stat-label {
    display: block;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quiz-results-actions {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.quiz-results-btn {
    padding: 1.125rem 3rem;
    font-weight: 700;
    font-size: 1.1rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 200px;
}

.quiz-results-btn.primary {
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    color: #fff;
    box-shadow: 0 6px 24px rgba(230, 126, 34, 0.4);
}

.quiz-results-btn.primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 32px rgba(230, 126, 34, 0.6);
}

.quiz-results-btn.secondary {
    background: linear-gradient(135deg, rgba(80, 80, 80, 0.5), rgba(60, 60, 60, 0.5));
    color: #fff;
    border: 1px solid rgba(100, 100, 100, 0.3);
}

.quiz-results-btn.secondary:hover {
    background: linear-gradient(135deg, rgba(100, 100, 100, 0.6), rgba(80, 80, 80, 0.6));
    border-color: rgba(230, 126, 34, 0.5);
}

.quiz-results-btn:active {
    transform: translateY(0) scale(1);
}

/* ========== RESPONSIVIDADE MOBILE ========== */
@media (max-width: 768px) {
    #quizzes-list {
        grid-template-columns: 1fr;
        padding: 0.5rem;
    }

    .quiz-card {
        padding: 1.5rem;
    }

    .quiz-card-title {
        font-size: 1.25rem;
    }

    .quiz-card-stats {
        grid-template-columns: 1fr;
    }

    .quiz-header {
        padding: 1.25rem;
    }

    .quiz-header-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .quiz-title-main {
        font-size: 1.35rem;
    }

    .quiz-timer {
        width: 100%;
        justify-content: center;
    }

    .quiz-question-container {
        padding: 1.5rem;
    }

    .quiz-question-text {
        font-size: 1.15rem;
    }

    .quiz-option {
        padding: 1.25rem 1.5rem;
    }

    .quiz-navigation {
        flex-direction: column;
    }

    .quiz-nav-btn {
        width: 100%;
    }

    .quiz-results-icon {
        font-size: 5rem;
    }

    .quiz-results-title {
        font-size: 2rem;
    }

    .quiz-results-score {
        font-size: 3.5rem;
    }

    .quiz-results-stats {
        grid-template-columns: 1fr;
    }

    .quiz-results-actions {
        flex-direction: column;
        width: 100%;
    }

    .quiz-results-btn {
        width: 100%;
    }
}

/* ========== ANIMAÇÕES ========== */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}