/* Reset و تنظیمات پایه */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --success-color: #27ae60;
    --warning-color: #e67e22;
    --danger-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-color: #333;
    --text-light: #7f8c8d;
    --border-color: #bdc3c7;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    direction: rtl;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* هدر اصلی */
.main-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 20px 0;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2em;
    font-weight: bold;
}

.logo i {
    font-size: 1.5em;
    color: var(--accent-color);
}

.main-header h1 {
    font-size: 1.8em;
    font-weight: 300;
}

/* صفحه اصلی */
.welcome-container {
    padding: 60px 0;
    text-align: center;
}

.welcome-header h2 {
    color: var(--primary-color);
    font-size: 2.2em;
    margin-bottom: 15px;
    font-weight: 300;
}

.welcome-header p {
    color: var(--text-light);
    font-size: 1.1em;
    margin-bottom: 50px;
}

.welcome-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 60px;
}

.welcome-card {
    background: white;
    padding: 35px 25px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.welcome-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #2980b9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.8em;
}

.welcome-card h3 {
    color: var(--primary-color);
    font-size: 1.3em;
    margin-bottom: 15px;
    font-weight: 600;
}

.welcome-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.card-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

/* فرم‌ها */
.form-container {
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
    max-width: 600px;
    margin: 40px auto;
}

.form-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 25px;
    text-align: center;
}

.form-header h2 {
    font-size: 1.6em;
    margin-bottom: 8px;
}

.form-header p {
    opacity: 0.9;
    font-size: 0.95em;
}

.register-form {
    padding: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-color);
}

input[type="text"],
input[type="tel"],
input[type="password"],
input[type="number"],
select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    transition: var(--transition);
    background: #f8f9fa;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--accent-color);
    background: white;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* کپچا */
.captcha-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.captcha-code {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 10px 18px;
    border-radius: 8px;
    font-family: monospace;
    font-size: 1.2em;
    font-weight: bold;
    letter-spacing: 4px;
    min-width: 100px;
    text-align: center;
}

/* دکمه‌ها */
.btn {
    background: linear-gradient(135deg, var(--accent-color) 0%, #2980b9 100%);
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(149, 165, 166, 0.3);
}

.submit-btn {
    width: 100%;
    justify-content: center;
    padding: 15px;
    font-size: 1em;
    margin-top: 10px;
}

/* پیام‌های خطا و موفقیت */
.error-message {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    padding: 12px 18px;
    border-radius: 8px;
    margin: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
}

.success-message {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    color: white;
    padding: 12px 18px;
    border-radius: 8px;
    margin: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
}

/* فوتر */
.main-footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 40px 0 0;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h4 {
    color: var(--accent-color);
    margin-bottom: 15px;
    font-size: 1.1em;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 8px;
    display: inline-block;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-section a {
    color: var(--light-color);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-section i {
    width: 16px;
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}

.copyright {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--light-color);
    font-size: 0.85em;
}

/* فرم فوتر */
.form-footer {
    text-align: center;
    padding: 15px;
    border-top: 1px solid var(--border-color);
    background: #f8f9fa;
}

.form-footer a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.form-footer a:hover {
    text-decoration: underline;
}

/* استایل‌های صفحه tracking */
.success-container {
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
    max-width: 600px;
    margin: 40px auto;
}

.success-header {
    background: linear-gradient(135deg, var(--success-color) 0%, #229954 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.success-icon {
    font-size: 3em;
    margin-bottom: 15px;
}

.success-header h2 {
    font-size: 1.8em;
    margin-bottom: 10px;
    font-weight: 300;
}

.success-message {
    font-size: 1em;
    opacity: 0.9;
    line-height: 1.5;
}

.tracking-section {
    padding: 30px;
    text-align: center;
}

.tracking-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    max-width: 400px;
    margin: 0 auto;
}

.tracking-card h3 {
    margin-bottom: 15px;
    font-weight: 300;
}

.tracking-code {
    font-size: 2em;
    font-weight: bold;
    letter-spacing: 2px;
    font-family: monospace;
    margin: 15px 0;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border: 2px dashed rgba(255, 255, 255, 0.3);
}

.tracking-note {
    opacity: 0.9;
    font-size: 0.85em;
}

.user-info-section {
    padding: 25px 30px;
    background: #f8f9fa;
    margin: 15px 30px;
    border-radius: 12px;
}

.user-info-section h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.2em;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.info-label {
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.9em;
}

.info-value {
    color: var(--primary-color);
    font-weight: 500;
}

.score-value {
    color: var(--success-color);
    font-weight: bold;
}

.api-section {
    padding: 25px 30px;
    background: #e8f4fd;
    margin: 15px 30px;
    border-radius: 12px;
}

.api-section h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-size: 1.1em;
}

.api-btn {
    margin-top: 12px;
}

.result-message {
    margin-top: 12px;
}

.action-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    padding: 25px 30px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

/* استایل‌های صفحه evaluation */
.evaluation-container {
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
    margin: 40px auto;
    max-width: 800px;
}

.evaluation-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.evaluation-header h2 {
    font-size: 1.7em;
    margin-bottom: 10px;
}

.evaluation-header p {
    opacity: 0.9;
    font-size: 1em;
}

.evaluation-form {
    padding: 30px;
}

.form-section {
    margin-bottom: 30px;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid var(--accent-color);
}

.section-header {
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.section-header h3 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.3em;
}

.input-note {
    font-size: 0.8em;
    color: var(--text-light);
    margin-top: 6px;
    font-style: italic;
}

.bmi-result-container {
    margin-top: 15px;
}

.bmi-result {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border-right: 4px solid var(--border-color);
}

.bmi-result.success {
    border-right-color: var(--success-color);
    background: #e8f6f3;
}

.bmi-result.warning {
    border-right-color: var(--warning-color);
    background: #fef9e7;
}

.bmi-result.danger {
    border-right-color: var(--danger-color);
    background: #fdedec;
}

.bmi-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.bmi-value {
    font-weight: bold;
    color: var(--primary-color);
    font-size: 1em;
}

.bmi-status {
    font-size: 0.85em;
    font-weight: 500;
}

.bmi-status.success { color: var(--success-color); }
.bmi-status.warning { color: var(--warning-color); }
.bmi-status.danger { color: var(--danger-color); }

/* چک‌باکس‌ها */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.checkbox-item:hover {
    border-color: var(--accent-color);
    background: #f8f9fa;
}

.checkbox-item input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
}

.checkbox-item input[type="checkbox"]:checked + .checkmark {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.checkbox-item input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    color: white;
    font-size: 12px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.checkbox-text {
    font-weight: 500;
    color: var(--primary-color);
}

/* بخش تجربه کاری */
.work-experience-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

.work-item-header {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    color: var(--primary-color);
    font-weight: 600;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

.btn-outline:hover {
    background: var(--accent-color);
    color: white;
}

.form-actions {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

.submit-btn {
    padding: 15px 40px;
    font-size: 1em;
    border-radius: 8px;
}

/* واکنش‌گرایی */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .main-header h1 {
        font-size: 1.5em;
    }
    
    .welcome-header h2 {
        font-size: 1.8em;
    }
    
    .welcome-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .welcome-card {
        padding: 25px 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .form-container {
        margin: 20px auto;
    }
    
    .register-form {
        padding: 25px 20px;
    }
    
    .captcha-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .captcha-code {
        order: -1;
        margin-bottom: 10px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }
    
    .success-header {
        padding: 25px 20px;
    }
    
    .success-header h2 {
        font-size: 1.6em;
    }
    
    .tracking-section,
    .user-info-section,
    .api-section {
        padding: 20px;
        margin: 10px 20px;
    }
    
    .tracking-code {
        font-size: 1.6em;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .evaluation-header {
        padding: 25px 20px;
    }
    
    .evaluation-header h2 {
        font-size: 1.5em;
    }
    
    .evaluation-form {
        padding: 20px;
    }
    
    .form-section {
        padding: 20px;
        margin-bottom: 20px;
    }
    
    .action-buttons {
        flex-direction: column;
        padding: 20px;
    }
    
    .action-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .welcome-header h2 {
        font-size: 1.6em;
    }
    
    .welcome-header p {
        font-size: 1em;
    }
    
    .card-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5em;
    }
    
    .form-header {
        padding: 20px;
    }
    
    .form-header h2 {
        font-size: 1.4em;
    }
    
    .btn, .btn-secondary {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .tracking-code {
        font-size: 1.4em;
        letter-spacing: 1px;
    }
    
    .bmi-result {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}

/* انیمیشن‌های ظریف */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.welcome-card {
    animation: fadeInUp 0.5s ease-out;
}

.welcome-card:nth-child(2) {
    animation-delay: 0.1s;
}

.welcome-card:nth-child(3) {
    animation-delay: 0.2s;
}

/* اسکرول بار سفارشی */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2980b9;
}