/* AI Quiz Generator - Frontend Styles */
/* Dark Material Design - BuzzFeed Style */

:root {
    --aiq-primary: #ffa600;
    --aiq-primary-dark: #ff9100;
    --aiq-secondary: #ffbe0d;
    --aiq-success: #51cf66;
    --aiq-error: #ff6b6b;
    --aiq-dark-bg: #181b22;
    --aiq-dark-card: #1e222b;
    --aiq-dark-card-hover: #1e2d4f;
    --aiq-text-primary: #ffffff;
    --aiq-text-secondary: #a8b2d1;
    --aiq-border: #2d3748;
    --aiq-shadow: rgba(0, 0, 0, 0.3);
}

/* Container */
.aiq-quiz-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Quiz Intro */
.aiq-quiz-intro {
    background: linear-gradient(135deg, var(--aiq-dark-card) 0%, var(--aiq-dark-bg) 100%);
    border-radius: 20px;
    padding: 50px 40px;
    text-align: center;
    box-shadow: 0 10px 40px var(--aiq-shadow);
    border: 1px solid var(--aiq-border);
}

.aiq-quiz-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--aiq-text-primary);
    margin: 0 0 20px 0;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.aiq-quiz-description {
    font-size: 18px;
    color: var(--aiq-text-secondary);
    margin: 0 0 30px 0;
    line-height: 1.6;
}

.aiq-quiz-start-btn,
.aiq-retry-btn,
.aiq-more-quizzes-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--aiq-primary) 0%, var(--aiq-primary-dark) 100%);
    color: white;
    border: none;
    padding: 18px 40px;
    font-size: 18px;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.aiq-quiz-start-btn:hover,
.aiq-retry-btn:hover,
.aiq-more-quizzes-btn:hover {
    transform: translateY(-2px);
}

.aiq-quiz-start-btn:active,
.aiq-retry-btn:active,
.aiq-more-quizzes-btn:active {
    transform: translateY(0);
}

.aiq-btn-icon {
    font-size: 24px;
}

/* Quiz Questions Container */
.aiq-quiz-questions {
    background: var(--aiq-dark-card);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px var(--aiq-shadow);
    border: 1px solid var(--aiq-border);
}

/* Progress Bar */
.aiq-quiz-progress {
    margin-bottom: 40px;
}

.aiq-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--aiq-border);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 15px;
}

.aiq-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--aiq-primary), var(--aiq-secondary));
    border-radius: 10px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0;
}

.aiq-progress-text {
    text-align: center;
    color: var(--aiq-text-secondary);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Question */
.aiq-question {
    animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.aiq-question-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--aiq-text-primary);
    margin: 0 0 30px 0;
    line-height: 1.4;
    padding-bottom:20px;
}

/* Answers */
.aiq-answers {
    display: grid;
    gap: 15px;
    margin-bottom: 30px;
}

.aiq-answer {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--aiq-dark-bg);
    border: 2px solid var(--aiq-border);
    border-radius: 15px;
    padding: 20px 25px;
    font-size: 16px;
    color: var(--aiq-text-primary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.aiq-answer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--aiq-primary), var(--aiq-secondary));
    opacity: 0;
    transition: opacity 0.3s;
}

.aiq-answer:hover {
    border-color: var(--aiq-primary);
    transform: translateX(5px);
}

.aiq-answer:hover::before {
    opacity: 0.1;
}

.aiq-answer-letter {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--aiq-dark-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    color: var(--aiq-text-secondary);
    transition: all 0.3s;
    position: relative;
    z-index: 1;
}

.aiq-answer-text {
    flex: 1;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.aiq-answer-icon {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    position: relative;
    z-index: 1;
}

/* Answer States */
.aiq-answer.selected {
    border-color: var(--aiq-primary);
    background: var(--aiq-dark-card-hover);
}

.aiq-answer.correct {
    border-color: var(--aiq-success);
    background: rgba(81, 207, 102, 0.1);
    animation: correctPulse 0.6s;
}

.aiq-answer.correct .aiq-answer-letter {
    background: var(--aiq-success);
    color: white;
}

.aiq-answer.correct .aiq-answer-icon::after {
    content: '✓';
    color: var(--aiq-success);
    font-size: 24px;
    font-weight: bold;
}

.aiq-answer.incorrect {
    border-color: var(--aiq-error);
    background: rgba(255, 107, 107, 0.1);
    animation: incorrectShake 0.5s;
}

.aiq-answer.incorrect .aiq-answer-letter {
    background: var(--aiq-error);
    color: white;
}

.aiq-answer.incorrect .aiq-answer-icon::after {
    content: '✕';
    color: var(--aiq-error);
    font-size: 24px;
    font-weight: bold;
}

.aiq-answer.disabled {
    pointer-events: none;
    opacity: 0.6;
}

@keyframes correctPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

@keyframes incorrectShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* Next Button */
.aiq-next-btn {
    background: linear-gradient(135deg, var(--aiq-primary) 0%, var(--aiq-primary-dark) 100%);
    color: white;
    border: none;
    padding: 15px 35px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
}

.aiq-next-btn:hover {
    transform: translateY(-2px);
}

/* Results */
.aiq-quiz-results {
    background: linear-gradient(135deg, var(--aiq-dark-card) 0%, var(--aiq-dark-bg) 100%);
    border-radius: 20px;
    padding: 50px 40px;
    text-align: center;
    border: 1px solid var(--aiq-border);
    animation: fadeIn 0.6s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.aiq-results-content {
    max-width: 500px;
    margin: 0 auto;
}

/* Score Circle */
.aiq-score-circle {
    width: 200px;
    height: 200px;
    margin: 0 auto 30px;
    position: relative;
}

.aiq-score-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.aiq-score-bg {
    fill: none;
    stroke: var(--aiq-border);
    stroke-width: 8;
}

.aiq-score-progress {
    fill: none;
    stroke: url(#scoreGradient);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    transition: stroke-dashoffset 1s ease-in-out;
}

.aiq-score-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    font-weight: 800;
    color: var(--aiq-text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.aiq-score-number {
    line-height: 1;
    background: linear-gradient(135deg, var(--aiq-primary), var(--aiq-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.aiq-score-total {
    font-size: 20px;
    color: var(--aiq-text-secondary);
    margin-top: 5px;
}

.aiq-result-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--aiq-text-primary);
    margin: 0 0 15px 0;
}

.aiq-result-description {
    font-size: 18px;
    color: var(--aiq-text-secondary);
    margin: 0 0 40px 0;
    line-height: 1.6;
}

/* Results Actions */
.aiq-results-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.aiq-more-quizzes-btn {
    background: linear-gradient(135deg, var(--aiq-primary) 0%, var(--aiq-primary-dark) 100%);
    color:#fff;
}



/* Responsive */
@media (max-width: 768px) {
    .aiq-quiz-container {
        padding: 0 15px;
    }
    
    .aiq-quiz-intro,
    .aiq-quiz-questions,
    .aiq-quiz-results {
        padding: 30px 20px;
        border-radius: 15px;
    }
    
    .aiq-quiz-title {
        font-size: 28px;
    }
    
    .aiq-quiz-description {
        font-size: 16px;
    }
    
    .aiq-question-text {
        font-size: 22px;
    }
    
    .aiq-answer {
        padding: 15px 20px;
        gap: 15px;
    }
    
    .aiq-answer-letter {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
    
    .aiq-quiz-start-btn,
    .aiq-retry-btn,
    .aiq-more-quizzes-btn {
        padding: 15px 30px;
        font-size: 16px;
    }
    
    .aiq-score-circle {
        width: 150px;
        height: 150px;
    }
    
    .aiq-score-number {
        font-size: 36px;
    }
    
    .aiq-result-title {
        font-size: 26px;
    }
}

/* SVG Gradient Definition (add to HTML) */
svg defs {
    display: none;
}