/* ===================================
   🤔 Enhanced Q&A System - سیستم پرسش و پاسخ پیشرفته
   ===================================*/

:root {
    /* Q&A Color Scheme */
    --qa-primary: #1976D2;
    --qa-primary-light: #42A5F5;
    --qa-primary-dark: #0D47A1;
    --qa-secondary: #26C6DA;
    --qa-accent: #FF7043;
    --qa-success: #66BB6A;
    --qa-warning: #FFA726;
    --qa-danger: #EF5350;
    
    /* Q&A Text Colors */
    --qa-text: #263238;
    --qa-text-light: #546E7A;
    --qa-text-muted: #78909C;
    --qa-light-text: #90A4AE;
    
    /* Q&A Background Colors */
    --qa-bg: #FAFAFA;
    --qa-card-bg: #FFFFFF;
    --qa-border: #E0E0E0;
    --qa-shadow: rgba(25, 118, 210, 0.1);
    
    /* Q&A Gradients */
    --qa-gradient-primary: linear-gradient(135deg, #1976D2 0%, #42A5F5 100%);
    --qa-gradient-secondary: linear-gradient(135deg, #26C6DA 0%, #00BCD4 100%);
    --qa-gradient-card: linear-gradient(135deg, #ffffff 0%, #f8fffe 100%);
}

/* ===================================
   📱 Enhanced Q&A Section
   ===================================*/

.enhanced-qa-section {
    max-width: 100%;
    margin: 0 auto;
    padding: 40px 0;
    background: var(--qa-bg);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.enhanced-qa-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(25, 118, 210, 0.05) 0%, transparent 70%);
    animation: float-bg 20s ease-in-out infinite;
}

@keyframes float-bg {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(3deg); }
}

/* ===================================
   🎯 Q&A Header
   ===================================*/

.qa-main-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
}

.qa-main-title {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--qa-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    position: relative;
}

.qa-main-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--qa-gradient-primary);
    border-radius: 2px;
}

.qa-subtitle {
    font-size: 1.2rem;
    color: var(--qa-text-light);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===================================
   📊 Enhanced Q&A Summary
   ===================================*/

.enhanced-qa-summary {
    display: flex;
    align-items: center;
    background: var(--qa-card-bg);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 10px 40px var(--qa-shadow);
    border: 1px solid var(--qa-border);
    position: relative;
    overflow: hidden;
}

.enhanced-qa-summary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--qa-gradient-primary);
}

.qa-overview-left {
    flex: 1;
    text-align: center;
    padding-right: 40px;
    border-right: 2px solid var(--qa-border);
}

.mega-qa-number {
    font-size: 4rem;
    font-weight: 900;
    background: var(--qa-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 10px;
    display: block;
}

.mega-qa-icon {
    font-size: 2rem;
    color: var(--qa-primary);
    margin-bottom: 10px;
    animation: pulse-qa 2s ease-in-out infinite;
}

@keyframes pulse-qa {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.mega-qa-text {
    font-size: 1.2rem;
    color: var(--qa-text-light);
    font-weight: 600;
}

.qa-stats-right {
    flex: 2;
    display: flex;
    justify-content: space-around;
    padding-left: 40px;
}

.qa-stat-item {
    text-align: center;
    flex: 1;
}

.qa-stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 8px;
    line-height: 1;
}

.qa-stat-number.answered {
    color: var(--qa-success);
}

.qa-stat-number.pending {
    color: var(--qa-warning);
}

.qa-stat-label {
    font-size: 0.9rem;
    color: var(--qa-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===================================
   💬 Enhanced Q&A Cards
   ===================================*/

.enhanced-qa-container {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.enhanced-qa-card {
    background: var(--qa-card-bg);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 30px rgba(25, 118, 210, 0.08);
    border: 1px solid var(--qa-border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.enhanced-qa-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--qa-gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.enhanced-qa-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(25, 118, 210, 0.15);
}

.enhanced-qa-card:hover::before {
    transform: scaleX(1);
}

/* Q&A Header */
.qa-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--qa-border);
}

.qa-user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.qa-user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--qa-gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(25, 118, 210, 0.3);
}

.qa-user-details {
    flex: 1;
}

.qa-user-name {
    font-weight: 700;
    color: var(--qa-text);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.qa-date {
    color: var(--qa-text-muted);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.qa-status-badge {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.qa-status-badge.answered {
    background: rgba(102, 187, 106, 0.1);
    color: var(--qa-success);
    border: 1px solid rgba(102, 187, 106, 0.2);
}

.qa-status-badge.pending {
    background: rgba(255, 167, 38, 0.1);
    color: var(--qa-warning);
    border: 1px solid rgba(255, 167, 38, 0.2);
}

/* Q&A Content */
.qa-content {
    margin-bottom: 25px;
}

.question-content {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    padding: 20px;
    background: rgba(25, 118, 210, 0.02);
    border-radius: 15px;
    border-left: 4px solid var(--qa-primary);
}

.question-icon {
    color: var(--qa-primary);
    font-size: 1.3rem;
    margin-top: 2px;
}

.question-text {
    flex: 1;
    color: var(--qa-text);
    line-height: 1.7;
    font-size: 1rem;
}

.answer-content {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: rgba(102, 187, 106, 0.02);
    border-radius: 15px;
    border-left: 4px solid var(--qa-success);
}

.answer-icon {
    color: var(--qa-success);
    font-size: 1.3rem;
    margin-top: 2px;
}

.answer-text {
    flex: 1;
    color: var(--qa-text);
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 10px;
}

.answerer-info {
    color: var(--qa-text-muted);
    font-size: 0.85rem;
    font-style: italic;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Q&A Actions */
.qa-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.qa-helpful-btn,
.qa-share-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.qa-helpful-btn {
    background: rgba(25, 118, 210, 0.1);
    color: var(--qa-primary);
    border: 1px solid rgba(25, 118, 210, 0.2);
}

.qa-helpful-btn:hover {
    background: var(--qa-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(25, 118, 210, 0.3);
}

.qa-share-btn {
    background: rgba(38, 198, 218, 0.1);
    color: var(--qa-secondary);
    border: 1px solid rgba(38, 198, 218, 0.2);
}

.qa-share-btn:hover {
    background: var(--qa-secondary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(38, 198, 218, 0.3);
}

/* ===================================
   📝 Enhanced Add Question Form
   ===================================*/

.enhanced-add-question {
    background: var(--qa-card-bg);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px var(--qa-shadow);
    border: 1px solid var(--qa-border);
    position: relative;
    overflow: hidden;
}

.enhanced-add-question::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--qa-gradient-secondary);
}

.add-question-header {
    text-align: center;
    margin-bottom: 35px;
}

.add-question-title {
    font-size: 2rem;
    font-weight: 800;
    background: var(--qa-gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.add-question-subtitle {
    color: var(--qa-text-light);
    font-size: 1rem;
    line-height: 1.6;
}

/* Enhanced Form Styles */
.enhanced-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

.enhanced-form-group {
    position: relative;
}

.enhanced-form-group.question-group {
    grid-column: 1 / -1;
}

.enhanced-form-input,
.enhanced-form-textarea {
    width: 100%;
    padding: 18px 20px;
    border: 2px solid var(--qa-border);
    border-radius: 15px;
    font-size: 1rem;
    background: #ffffff;
    transition: all 0.3s ease;
    resize: vertical;
    font-family: inherit;
}

.enhanced-form-input:focus,
.enhanced-form-textarea:focus {
    outline: none;
    border-color: var(--qa-primary);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
    transform: translateY(-2px);
}

.floating-label {
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    color: var(--qa-text-muted);
    font-size: 1rem;
    font-weight: 500;
    pointer-events: none;
    transition: all 0.3s ease;
    background: white;
    padding: 0 8px;
}

.enhanced-form-textarea + .floating-label {
    top: 35px;
    transform: translateY(-50%);
}

.enhanced-form-input:focus + .floating-label,
.enhanced-form-input:not(:placeholder-shown) + .floating-label,
.enhanced-form-textarea:focus + .floating-label,
.enhanced-form-textarea:not(:placeholder-shown) + .floating-label {
    top: 0;
    left: 15px;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--qa-primary);
    font-weight: 600;
}

.char-counter {
    text-align: right;
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--qa-text-muted);
}

.current-chars {
    font-weight: 600;
}

.form-hint {
    margin-top: 10px;
    color: var(--qa-text-muted);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 8px;
    font-style: italic;
}

/* Question Categories */
.question-categories {
    margin-bottom: 30px;
}

.category-label {
    display: block;
    font-weight: 600;
    color: var(--qa-text);
    margin-bottom: 15px;
    font-size: 1rem;
}

.category-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
}

.category-option {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    border: 2px solid var(--qa-border);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.category-option:hover {
    border-color: var(--qa-primary);
    background: rgba(25, 118, 210, 0.02);
}

.category-option input[type="radio"] {
    display: none;
}

.category-option input[type="radio"]:checked + .checkmark::after {
    opacity: 1;
    transform: scale(1);
}

.category-option input[type="radio"]:checked ~ * {
    color: var(--qa-primary);
    font-weight: 600;
}

.category-option:has(input[type="radio"]:checked) {
    border-color: var(--qa-primary);
    background: rgba(25, 118, 210, 0.05);
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--qa-border);
    border-radius: 50%;
    position: relative;
    transition: all 0.3s ease;
}

.checkmark::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 10px;
    height: 10px;
    background: var(--qa-primary);
    border-radius: 50%;
    opacity: 0;
    transition: all 0.3s ease;
}

/* Enhanced Submit Button */
.enhanced-form-actions {
    text-align: center;
    margin-bottom: 20px;
}

.enhanced-submit-btn {
    background: var(--qa-gradient-secondary);
    color: white;
    border: none;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(38, 198, 218, 0.3);
    position: relative;
    overflow: hidden;
    min-width: 200px;
}

.enhanced-submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.enhanced-submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(38, 198, 218, 0.4);
}

.enhanced-submit-btn:hover::before {
    left: 100%;
}

.enhanced-submit-btn:active {
    transform: translateY(-1px);
}

.enhanced-submit-btn.loading .btn-text {
    opacity: 0;
}

.enhanced-submit-btn.loading .btn-loading {
    opacity: 1;
}

.btn-text,
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: opacity 0.3s ease;
}

.btn-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
}

/* Form Message */
.form-message {
    text-align: center;
    padding: 15px;
    border-radius: 10px;
    margin-top: 20px;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background: rgba(102, 187, 106, 0.1);
    color: var(--qa-success);
    border: 1px solid rgba(102, 187, 106, 0.2);
    display: block;
}

.form-message.error {
    background: rgba(239, 83, 80, 0.1);
    color: var(--qa-danger);
    border: 1px solid rgba(239, 83, 80, 0.2);
    display: block;
}

/* ===================================
   📱 Responsive Design
   ===================================*/

@media (max-width: 1199px) {
    .enhanced-qa-summary {
        flex-direction: column;
        text-align: center;
    }
    
    .qa-overview-left {
        padding-right: 0;
        padding-bottom: 30px;
        border-right: none;
        border-bottom: 2px solid var(--qa-border);
        margin-bottom: 30px;
    }
    
    .qa-stats-right {
        padding-left: 0;
        justify-content: center;
        flex-wrap: wrap;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .enhanced-qa-section {
        padding: 30px 0;
        border-radius: 15px;
    }
    
    .qa-main-title {
        font-size: 2rem;
    }
    
    .enhanced-qa-summary,
    .enhanced-qa-card,
    .enhanced-add-question {
        padding: 25px;
        border-radius: 15px;
    }
    
    .enhanced-form-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .category-options {
        grid-template-columns: 1fr;
    }
    
    .qa-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .qa-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .mega-qa-number {
        font-size: 3rem;
    }
    
    .qa-stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .enhanced-qa-summary,
    .enhanced-qa-card,
    .enhanced-add-question {
        padding: 20px;
        margin: 0 10px;
    }
    
    .question-content,
    .answer-content {
        flex-direction: column;
        gap: 10px;
        padding: 15px;
    }
    
    .enhanced-submit-btn {
        width: 100%;
        padding: 15px;
    }
}

/* ===================================
   🎭 Animation and Effects
   ===================================*/

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

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

/* Intersection Observer Animation */
.enhanced-qa-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.enhanced-qa-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Loading States */
.enhanced-submit-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

/* ===================================
   🌙 Dark Mode Support
   ===================================*/

[data-theme="dark"] {
    --qa-text: #E1E5E9;
    --qa-text-light: #B0BEC5;
    --qa-text-muted: #90A4AE;
    --qa-light-text: #78909C;
    --qa-bg: #1a1a1a;
    --qa-card-bg: #2d2d2d;
    --qa-border: #404040;
    --qa-shadow: rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .enhanced-form-input,
[data-theme="dark"] .enhanced-form-textarea {
    background: #3a3a3a;
    color: var(--qa-text);
    border-color: var(--qa-border);
}

[data-theme="dark"] .floating-label {
    background: #2d2d2d;
}

[data-theme="dark"] .category-option {
    background: #3a3a3a;
    border-color: var(--qa-border);
}

[data-theme="dark"] .category-option:hover {
    background: rgba(25, 118, 210, 0.1);
}

/* ===================================
   🔧 Print Styles
   ===================================*/

@media print {
    .enhanced-qa-section {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .enhanced-add-question {
        display: none;
    }
    
    .qa-actions {
        display: none;
    }
    
    .enhanced-qa-card {
        break-inside: avoid;
        margin-bottom: 20px;
    }
}