.simple-quiz-frontend {
    max-width: 900px;
    margin: 32px auto;
    padding: 0;
    border-radius: 12px;
    background: var(--sq-color-white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    /* Persian webfont: Vazirmatn (served by Google Fonts) */
    font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    direction: rtl;
}

/* Ensure shortcode-rendered quiz centers nicely inside posts/pages */
.simple-quiz-frontend.simple-quiz-shortcode {
    margin-left: auto !important;
    margin-right: auto !important;
    float: none !important;
}

/* Import Vazirmatn from Google Fonts (weights 300,400,500,700) */
@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;700&display=swap');

/* Theme Color Variables */
:root {
    --sq-color-cultured: #f5f5f5;
    /* پس‌زمینه نرم خنثی */
    --sq-color-dark-navy: #121d30;
    /* رنگ تیره پایه */
    --sq-color-white: #ffffff;
    --sq-color-accent: #15b5aa;
    /* اکسنـت تعدیل شده */
    --sq-color-accent-dark: #0e8e84;
    /* برای هاور تیره‌تر */
    --sq-color-accent-soft: #e9f7f6;
    /* پس‌زمینه خیلی نرم اکسنـت */
    --sq-color-text: #121d30;
    --sq-color-muted: #4a5568;
    --sq-radius-sm: 6px;
    --sq-radius-md: 8px;
    --sq-radius-lg: 12px;
    --sq-transition: 0.25s cubic-bezier(.4, .0, .2, 1);
    --sq-gradient-accent: linear-gradient(135deg, #162538 0%, var(--sq-color-accent) 95%);
    --sq-gradient-accent-horizontal: linear-gradient(90deg, #162538 0%, var(--sq-color-accent) 95%);
}

.simple-quiz-frontend #sq-quiz-header {
    background: var(--sq-gradient-accent);
    padding: 32px 24px;
    color: var(--sq-color-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.simple-quiz-frontend #sq-quiz-header::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.10), transparent 60%);
    pointer-events: none;
}

.simple-quiz-frontend #sq-quiz-header h1 {
    color: var(--sq-color-white);
    margin: 0 0 12px 0;
    font-size: 30px;
    font-weight: 700;
    letter-spacing: .5px;
}

.simple-quiz-frontend #sq-quiz-description {
    color: rgba(255, 255, 255, 0.85);
    font-size: 15px;
    line-height: 1.7;
}

.simple-quiz-frontend #sq-quiz-controls {
    padding: 24px;
    text-align: center;
    background: var(--sq-color-cultured);
    border-bottom: 1px solid #e0e0e0;
}

.simple-quiz-frontend #sq-quiz-timer {
    display: inline-block;
    padding: 8px 16px;
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    margin-right: 12px;
}

.simple-quiz-frontend .button {
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.simple-quiz-frontend .button-primary {
    background: var(--sq-gradient-accent);
    color: var(--sq-color-white);
    box-shadow: 0 3px 10px rgba(21, 181, 170, 0.30);
    position: relative;
}

.simple-quiz-frontend .button-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(21, 181, 170, 0.38);
    filter: brightness(1.04);
}

.simple-quiz-frontend .button-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.simple-quiz-frontend #sq-quiz-errors {
    padding: 16px 24px;
    margin: 0;
    background: #f8d7da;
    color: #721c24;
    border-bottom: 2px solid #f5c6cb;
    text-align: center;
    font-weight: 500;
}

.simple-quiz-frontend #sq-questions-container {
    padding: 24px;
}

.simple-quiz-frontend .sq-question {
    background: #fff;
    padding: 24px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.simple-quiz-frontend .sq-question:hover {
    border-color: var(--sq-color-accent);
    box-shadow: 0 3px 10px rgba(15, 41, 61, 0.10);
}

.simple-quiz-frontend .sq-question-order {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--sq-gradient-accent);
    color: var(--sq-color-white);
    border-radius: 50%;
    font-weight: 700;
    font-size: 16px;
    margin-left: 12px;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(15, 41, 61, .30);
}

.simple-quiz-frontend .sq-question-content {
    display: inline-block;
    width: calc(100% - 56px);
    font-size: 16px;
    line-height: 1.6;
    color: #2d3748;
    font-weight: 500;
    vertical-align: middle;
}

.simple-quiz-frontend .sq-question-answer {
    margin-top: 20px;
    padding-right: 48px;
}

.simple-quiz-frontend .sq-question-answer label {
    display: block;
    padding: 12px 16px;
    margin-bottom: 8px;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 15px;
}

.simple-quiz-frontend .sq-question-answer label:hover {
    background: var(--sq-color-accent-soft);
    border-color: var(--sq-color-accent);
}

.simple-quiz-frontend .sq-question-answer label.selected {
    background: var(--sq-color-accent-soft);
    border-color: var(--sq-color-accent);
    box-shadow: 0 0 0 2px rgba(21, 181, 170, 0.22);
}

.simple-quiz-frontend .sq-question-answer input[type="radio"] {
    margin-left: 8px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.simple-quiz-frontend .sq-question-answer input[type="radio"]:checked+span {
    font-weight: 600;
    color: var(--sq-color-accent);
}

.simple-quiz-frontend .sq-answer-text {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 15px;
    line-height: 1.6;
    resize: vertical;
    transition: border-color 0.2s ease;
}

.simple-quiz-frontend .sq-answer-text:focus {
    outline: none;
    border-color: var(--sq-color-accent);
    box-shadow: 0 0 0 2px rgba(21, 181, 170, 0.22);
}

.simple-quiz-frontend .sq-answer-number {
    width: 100%;
    max-width: 200px;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 15px;
}

.simple-quiz-frontend .sq-answer-number:focus {
    outline: none;
    border-color: var(--sq-color-accent);
    box-shadow: 0 0 0 2px rgba(21, 181, 170, 0.22);
}

.simple-quiz-frontend #sq-finish-quiz {
    margin-top: 24px;
    width: 100%;
    max-width: 300px;
    display: block;
    margin-right: auto;
    margin-left: auto;
}

.simple-quiz-frontend #sq-quiz-result {
    padding: 40px 24px;
    text-align: center;
    background: #fff;
}

.simple-quiz-frontend #sq-quiz-result h3 {
    color: #2d3748;
    font-size: 28px;
    margin: 0 0 24px 0;
}

.simple-quiz-frontend .sq-result-score {
    display: inline-block;
    padding: 32px 48px;
    background: var(--sq-gradient-accent);
    border-radius: 16px;
    margin: 24px 0;
    box-shadow: 0 6px 22px rgba(18, 29, 48, 0.35);
    position: relative;
    overflow: hidden;
}

.simple-quiz-frontend .sq-result-score::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.10), transparent 65%);
    pointer-events: none;
}

.simple-quiz-frontend .sq-result-score-value {
    font-size: 64px;
    font-weight: 700;
    color: #fff;
    line-height: 1;
    margin: 0;
}

.simple-quiz-frontend .sq-result-score-label {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 8px;
    font-weight: 500;
}

.simple-quiz-frontend .sq-result-message {
    font-size: 18px;
    color: #4a5568;
    line-height: 1.6;
    margin: 24px 0;
    padding: 20px;
    background: #f7fafc;
    border-radius: 12px;
}

.simple-quiz-frontend .sq-result-details {
    margin-top: 32px;
    padding-top: 32px;
    border-top: 2px solid #e9ecef;
}

.simple-quiz-frontend .sq-result-stat {
    display: inline-block;
    margin: 0 20px;
    text-align: center;
}

.simple-quiz-frontend .sq-result-stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--sq-color-accent);
    display: block;
}

.simple-quiz-frontend .sq-result-stat-label {
    font-size: 14px;
    color: #718096;
    margin-top: 4px;
    display: block;
}

/* Loading spinner */
.simple-quiz-frontend .sq-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Fade in animation */
.simple-quiz-frontend .sq-fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* Success checkmark animation */
.simple-quiz-frontend .sq-checkmark {
    display: inline-block;
    transform: rotate(45deg);
    height: 24px;
    width: 12px;
    border-bottom: 3px solid #48bb78;
    border-right: 3px solid #48bb78;
    animation: checkmark 0.4s ease-in-out;
}

@keyframes checkmark {
    0% {
        height: 0;
        width: 0;
    }

    50% {
        height: 24px;
        width: 0;
    }

    100% {
        height: 24px;
        width: 12px;
    }
}

/* Progress bar */
.simple-quiz-frontend #sq-quiz-progress {
    padding: 16px 24px;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}

.simple-quiz-frontend .sq-progress-bar {
    width: 100%;
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.simple-quiz-frontend .sq-progress-fill {
    height: 100%;
    background: var(--sq-gradient-accent-horizontal);
    transition: width 0.3s ease;
    border-radius: 4px;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.3) inset;
}

.simple-quiz-frontend .sq-progress-text {
    text-align: center;
    margin-top: 8px;
    font-size: 13px;
    color: #718096;
    font-weight: 500;
}

/* Result Questions Review */
.simple-quiz-frontend .sq-result-questions {
    padding: 24px;
    background: #f8f9fa;
}

.simple-quiz-frontend .sq-result-question {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border-left: 4px solid #e9ecef;
    transition: all 0.3s ease;
}

.simple-quiz-frontend .sq-result-question:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.simple-quiz-frontend .sq-result-question-correct {
    border-left-color: #28a745;
    background: linear-gradient(to right, #f0fff4 0%, #fff 50%);
}

.simple-quiz-frontend .sq-result-question-wrong {
    border-left-color: #dc3545;
    background: linear-gradient(to right, #fff5f5 0%, #fff 50%);
}

.simple-quiz-frontend .sq-result-question-unanswered {
    border-left-color: #ffc107;
    background: linear-gradient(to right, #fffbf0 0%, #fff 50%);
}

.simple-quiz-frontend .sq-result-question-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.simple-quiz-frontend .sq-result-question-number {
    display: inline-flex;
    align-items: center;
    background: var(--sq-gradient-accent);
    color: var(--sq-color-white);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-left: 8px;
}

.simple-quiz-frontend .sq-result-question-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.simple-quiz-frontend .sq-result-question-correct .sq-result-question-status {
    background: #d4edda;
    color: #155724;
}

.simple-quiz-frontend .sq-result-question-wrong .sq-result-question-status {
    background: #f8d7da;
    color: #721c24;
}

.simple-quiz-frontend .sq-result-question-unanswered .sq-result-question-status {
    background: #fff3cd;
    color: #856404;
}

.simple-quiz-frontend .sq-result-question-score {
    display: inline-flex;
    align-items: center;
    background: #e9ecef;
    color: #495057;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-left: 8px;
}

.simple-quiz-frontend .sq-result-question-content {
    font-size: 16px;
    color: #2d3748;
    line-height: 1.7;
    margin-bottom: 16px;
    font-weight: 500;
}

.simple-quiz-frontend .sq-result-choices {
    list-style: none;
    padding: 0;
    margin: 0;
}

.simple-quiz-frontend .sq-result-choice {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    padding: 12px 16px;
    margin-bottom: 8px;
    border-radius: 8px;
    transition: all 0.2s ease;
    color: #4a5568;
    font-size: 14px;
    position: relative;
}

.simple-quiz-frontend .sq-result-choice-correct {
    background: #d4edda;
    border-color: #28a745;
    color: #155724;
    font-weight: 600;
}

.simple-quiz-frontend .sq-result-choice-correct::before {
    content: '✓';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    background: #28a745;
    color: #fff;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}

.simple-quiz-frontend .sq-result-choice-selected {
    border-color: var(--sq-color-accent);
    border-width: 2px;
    box-shadow: 0 0 0 1px rgba(21, 181, 170, 0.22);
}

.simple-quiz-frontend .sq-result-choice-selected.sq-result-choice-correct {
    border-color: #28a745;
}

.simple-quiz-frontend .sq-result-choice-selected:not(.sq-result-choice-correct) {
    background: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
}

.simple-quiz-frontend .sq-result-choice-selected:not(.sq-result-choice-correct)::before {
    content: '✗';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    background: #dc3545;
    color: #fff;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}

.simple-quiz-frontend .sq-result-answer {
    margin-top: 12px;
    padding: 12px 16px;
    background: #e9ecef;
    border-radius: 8px;
    font-size: 14px;
}

.simple-quiz-frontend .sq-result-answer strong {
    color: #2d3748;
    display: block;
    margin-bottom: 4px;
}

.simple-quiz-frontend .sq-result-answer-correct {
    background: #d4edda;
    color: #155724;
}

.simple-quiz-frontend .sq-result-answer-wrong {
    background: #f8d7da;
    color: #721c24;
}

/* Responsive design */
@media (max-width: 768px) {
    .simple-quiz-frontend {
        margin: 16px;
        border-radius: 8px;
    }

    .simple-quiz-frontend #sq-quiz-header {
        padding: 24px 16px;
    }

    .simple-quiz-frontend #sq-quiz-header h1 {
        font-size: 22px;
    }

    .simple-quiz-frontend .sq-question {
        padding: 16px;
    }

    .simple-quiz-frontend .sq-question-order {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }

    .simple-quiz-frontend .sq-result-score {
        padding: 24px 32px;
    }

    .simple-quiz-frontend .sq-result-score-value {
        font-size: 48px;
    }

    .simple-quiz-frontend .sq-result-stat {
        display: block;
        margin: 16px 0;
    }

    .simple-quiz-frontend .sq-result-questions {
        padding: 16px;
    }

    .simple-quiz-frontend .sq-result-question {
        padding: 16px;
    }

    .simple-quiz-frontend .sq-result-question-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .simple-quiz-frontend .sq-result-choice-correct::before,
    .simple-quiz-frontend .sq-result-choice-selected:not(.sq-result-choice-correct)::before {
        left: -6px;
        width: 20px;
        height: 20px;
        font-size: 12px;
    }
}

/* استایل خاص برای shortcode در داخل پست‌ها */
.simple-quiz-shortcode {
    margin: 24px 0;
}

.simple-quiz-shortcode #sq-quiz-title {
    font-size: 1.75rem;
    margin-top: 0;
}

/* پیام خطا برای shortcode */
.simple-quiz-error {
    padding: 20px;
    background: #fee;
    border: 1px solid #c33;
    color: #c33;
    border-radius: 4px;
    margin: 16px 0;
    font-family: 'Vazirmatn', sans-serif;
    direction: rtl;
    text-align: right;
}