* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f8f9fa;
            color: #414d53;
            overflow-x: hidden;
        }

        .umbal-header {
            height: 100px;
            background-color: #ffffff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.6);
            
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 40px;
            position: relative;
            z-index: 1000;
        }

        .umbal-logo-section {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .umbal-logo-img {
            height: 82px;
            width: auto;
        }

        .umbal-logo-text {
            font-size: 18px;
            font-weight: 600;
            color: #414d53;
            max-width: 300px;
            line-height: 1.4;
        }

        .umbal-nav-menu {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .umbal-nav-link {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #414d53;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s ease;
            cursor: pointer;
        }

        .umbal-nav-link:hover {
            color: #21a0e3;
        }

        .umbal-nav-icon {
            font-size: 18px;
        }

        .umbal-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 10px;
        }

        .umbal-hamburger-line {
            width: 28px;
            height: 3px;
            background-color: #414d53;
            transition: all 0.3s ease;
        }

        .umbal-mobile-menu {
            display: none;
            position: fixed;
            top: 130px;
            right: -100%;
            width: 280px;
            height: calc(100vh - 130px);
            background-color: #ffffff;
            box-shadow: -2px 0 10px rgba(0,0,0,0.1);
            transition: right 0.3s ease;
            z-index: 999;
            padding: 30px 20px;
        }

        .umbal-mobile-menu.active {
            right: 0;
        }

        .umbal-mobile-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 15px;
            color: #414d53;
            text-decoration: none;
            font-size: 16px;
            border-bottom: 1px solid #e0e0e0;
            transition: background-color 0.3s ease;
        }

        .umbal-mobile-link:hover {
            background-color: #f0f0f0;
        }

        .umbal-banner-section {
            position: relative;
            width: 100%;
            min-height: 800px;
            overflow: visible;
            background-color: #000;
            padding-bottom: 50px; 
        }

        .umbal-banner-loader {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 1;
        }

        .umbal-banner-video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 2;
        }

        .umbal-login-container {
    position: absolute;
    top: 110px;
    left: 50%;  /* Променете от 80% на 50% */
    transform: translateX(-50%);
    width: 420px;
    background-color: rgba(255, 255, 255, 0.80);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    z-index: 100;
    overflow: hidden
        }

        .umbal-tab-buttons {
            display: flex;
            background-color: #f0f0f0;
        }

        .umbal-tab-btn {
            flex: 1;
            padding: 18px;
            border: none;
            background-color: transparent;
            color: #414d53;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border-bottom: 3px solid transparent;
        }

        .umbal-tab-btn.active {
            background-color: #ffffff;
            color: #21a0e3;
            border-bottom-color: #21a0e3;
        }

        .umbal-form-container {
            padding: 30px;
        }

        .umbal-form-content {
            display: none;
        }

        .umbal-form-content.active {
            display: block;
        }

        .umbal-error-message {
            padding: 12px;
            background-color: #ffe0e0;
            color: #c00;
            border-radius: 6px;
            margin-bottom: 20px;
            font-size: 14px;
            display: none;
        }
        
        .error-message {
            padding: 12px;
            background-color: #ffe0e0;
            color: #c00;
            border-radius: 6px;
            margin-bottom: 20px;
            font-size: 14px;
        }

        .umbal-error-message.show {
            display: block;
        }

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

        .umbal-form-label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            font-weight: 600;
            color: #414d53;
        }

        .umbal-form-input {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 6px;
            font-size: 15px;
            transition: border-color 0.3s ease;
        }

        .umbal-form-input:focus {
            outline: none;
            border-color: #21a0e3;
        }

        .umbal-captcha-container {
            display: flex;
            gap: 15px;
            align-items: center;
            margin-bottom: 20px;
        }

        .umbal-captcha-image {
            background: linear-gradient(135deg, #4eb9f1, #21a0e3);
            padding: 10px 20px;
            border-radius: 6px;
            font-size: 24px;
            font-weight: bold;
            color: #ffffff;
            letter-spacing: 8px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            user-select: none;
        }

        .umbal-captcha-input {
            flex: 1;
        }

        .umbal-submit-btn {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #21a0e3, #4eb9f1);
            color: #ffffff;
            border: none;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .umbal-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(33, 160, 227, 0.4);
        }

        .umbal-footer {
            background-color: #2c3e50;
            color: #ffffff;
            padding: 60px 40px 30px;
            z-index: 9;
        }

        .umbal-footer-content {
            display: flex;
            gap: 60px;
            max-width: 1400px;
            margin: 0 auto 40px;
        }

        .umbal-footer-logo {
            height: 80px;
            width: auto;
        }

        .umbal-footer-columns {
            display: flex;
            gap: 80px;
            flex: 1;
        }

        .umbal-footer-column {
            flex: 1;
        }

        .umbal-footer-link {
            display: block;
            color: #ecf0f1;
            text-decoration: none;
            margin-bottom: 12px;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .umbal-footer-link:hover {
            color: #4eb9f1;
        }

        .umbal-modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.6);
            z-index: 2000;
            justify-content: center;
            align-items: center;
        }

        .umbal-modal-overlay.active {
            display: flex;
        }

        .umbal-modal {
            background-color: #ffffff;
            border-radius: 12px;
            padding: 40px;
            max-width: 500px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
        }

        .umbal-modal-title {
            font-size: 24px;
            font-weight: 700;
            color: #414d53;
            margin-bottom: 25px;
        }

        .umbal-modal-section {
            margin-bottom: 25px;
            padding-bottom: 25px;
            border-bottom: 1px solid #e0e0e0;
        }

        .umbal-modal-section:last-child {
            border-bottom: none;
        }

        .umbal-modal-subtitle {
            font-size: 16px;
            font-weight: 600;
            color: #414d53;
            margin-bottom: 12px;
        }

        .umbal-modal-close {
            margin-top: 20px;
            padding: 12px 30px;
            background-color: #95a5a6;
            color: #ffffff;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 15px;
        }

        .umbal-cookie-banner {
            position: fixed;
            bottom: 20px;
            left: 20px;
            right: 20px;
            max-width: 400px;
            background-color: #ffffff;
            border-radius: 12px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.2);
            padding: 25px;
            z-index: 1500;
            display: none;
        }

        .umbal-cookie-banner.show {
            display: block;
        }

        .umbal-cookie-text {
            margin-bottom: 18px;
            font-size: 14px;
            line-height: 1.6;
            color: #414d53;
        }

        .umbal-cookie-buttons {
            display: flex;
            gap: 12px;
        }

        .umbal-cookie-btn {
            flex: 1;
            padding: 10px;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .umbal-cookie-accept {
            background-color: #21a0e3;
            color: #ffffff;
        }

        .umbal-cookie-manage {
            background-color: #ecf0f1;
            color: #414d53;
        }


@media (min-width: 969px) {
    .umbal-login-container {
        left: 80%;  /* По-малко от 80%, но все още вдясно */
    }
}


        @media (max-width: 968px) {
        
            .umbal-login-container {
        left: 50%;
        transform: translateX(-50%);
        width: 90%;
        max-width: 420px;
    }
            .umbal-header {
                padding: 0 20px;
            }

            .umbal-logo-text {
                font-size: 16px;
                max-width: 200px;
            }

            .umbal-nav-menu {
                display: none;
            }

            .umbal-hamburger {
                display: flex;
            }

            .umbal-mobile-menu {
                display: block;
            }

            .umbal-login-container {
                left: 50%;
                transform: translateX(-50%);
                width: 90%;
                max-width: 420px;
            }

            .umbal-banner-section {
                min-height: 700px;
            }

            .umbal-footer-content {
                flex-direction: column;
                gap: 30px;
            }

            .umbal-footer-columns {
                flex-direction: column;
                gap: 30px;
            }
        }

        @media (max-width: 480px) {
            .umbal-header {
                height: 100px;
                padding: 0 15px;
            }

            .umbal-logo-img {
                height: 60px;
            }

            .umbal-logo-text {
                font-size: 14px;
            }

            .umbal-mobile-menu {
                top: 100px;
                height: calc(100vh - 100px);
            }

            .umbal-banner-section {
                height: 400px;
            }

            .umbal-login-container {
                top: 120px;
            }

            .umbal-cookie-banner {
                left: 10px;
                right: 10px;
            }
            
                .umbal-banner-section {
        min-height: 650px; /* Добавете min-height, за да има място за формуляра */
    }
    
    .umbal-login-container {
        top: 120px;
        width: 95%;
    }
    
        }
        
        
.umbal_screen {
    background-color: #fafbfc;
    padding: 80px 40px;
    min-height: 600px;
}

.umbal_courses_header {
    text-align: center;
    margin-bottom: 60px;
}

.umbal_courses_title {
    font-size: 42px;
    font-weight: 700;
    color: #414d53;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.umbal_courses_subtitle {
    font-size: 18px;
    color: #6c757d;
    font-weight: 400;
}

.umbal_courses_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
    max-width: 1400px;
    margin: 0 auto;
}

.umbal_course_card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(65, 77, 83, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.umbal_course_card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(33, 160, 227, 0.15);
}

.umbal_course_card:hover .umbal_course_image {
    transform: scale(1.05);
}

.umbal_course_image_wrapper {
    width: 100%;
    height: 240px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
}

.umbal_course_image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.umbal_course_content {
    padding: 28px;
}

.umbal_course_title_link {
    text-decoration: none;
    color: inherit;
    display: block;
    margin-bottom: 20px;
}

.umbal_course_name {
    font-size: 22px;
    font-weight: 600;
    color: #414d53;
    line-height: 1.4;
    margin: 0;
    transition: color 0.3s ease;
}

.umbal_course_title_link:hover .umbal_course_name {
    color: #21a0e3;
}

.umbal_course_stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 18px 0;
    border-top: 1px solid #e8ecef;
    border-bottom: 1px solid #e8ecef;
}

.umbal_stat_item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.umbal_stat_icon {
    font-size: 24px;
    color: #21a0e3;
}

.umbal_stat_value {
    font-size: 16px;
    font-weight: 600;
    color: #414d53;
}

.umbal_stat_label {
    font-size: 12px;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.umbal_certificate_badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: linear-gradient(135deg, #ebd518 0%, #f5e156 100%);
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    color: #414d53;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.umbal_no_certificate_badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: #e8ecef;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.umbal_view_course_btn {
    display: block;
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #21a0e3 0%, #4eb9f1 100%);
    color: #ffffff;
    text-align: center;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(33, 160, 227, 0.2);
}

.umbal_view_course_btn:hover {
    background: linear-gradient(135deg, #1a8bc7 0%, #3da0d8 100%);
    box-shadow: 0 6px 20px rgba(33, 160, 227, 0.35);
    transform: translateY(-2px);
}

@media (max-width: 1200px) {
    .umbal_courses_grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .umbal_screen {
        padding: 60px 20px;
    }
    
    .umbal_courses_title {
        font-size: 32px;
    }
    
    .umbal_courses_subtitle {
        font-size: 16px;
    }
    
    .umbal_courses_grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .umbal_course_image_wrapper {
        height: 200px;
    }
    
    .umbal_course_content {
        padding: 24px;
    }
    
    .umbal_course_name {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .umbal_courses_title {
        font-size: 28px;
    }
    
    .umbal_course_stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .umbal_stat_item {
        width: 100%;
        flex-direction: row;
        justify-content: center;
    }
}        

/* */
.umb_course_wrapper {
    background-color: #f8f9fa;
    padding: 0;
    margin: 0;
}

.umb_course_hero {
    position: relative;
    width: 100%;
    height: 480px;
    overflow: hidden;
    margin-bottom: 60px;
}

.umb_course_hero_img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.75);
}

.umb_course_hero_overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 70%, transparent 100%);
    padding: 50px 40px 40px;
}

.umb_course_hero_title {
    font-size: 42px;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.4);
    max-width: 1200px;
    margin: 0 auto;
}

.umb_course_container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px 80px;
}

.umb_course_stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.umb_course_stat_item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 25px 35px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.umb_course_stat_item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(33,160,227,0.15);
}

.umb_course_stat_icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #21a0e3 0%, #4eb9f1 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(33,160,227,0.3);
}

.umb_course_stat_number {
    font-size: 32px;
    font-weight: 700;
    color: #414d53;
    line-height: 1;
}

.umb_course_stat_label {
    font-size: 15px;
    font-weight: 500;
    color: #6c757d;
    text-align: center;
}

.umb_course_content {
    background-color: #ffffff;
    border-radius: 16px;
    padding: 50px;
    box-shadow: 0 4px 25px rgba(0,0,0,0.06);
}

.umb_course_section_title {
    font-size: 28px;
    font-weight: 700;
    color: #414d53;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid #21a0e3;
    display: inline-block;
}

.umb_course_description {
    font-size: 16px;
    line-height: 1.8;
    color: #414d53;
    text-align: justify;
}

.umb_course_description br {
    display: block;
    margin: 12px 0;
    content: "";
}

.umb_course_cta_section {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 2px solid #e9ecef;
    text-align: center;
}

.umb_course_cta_button {
    display: inline-block;
    padding: 18px 50px;
    background: linear-gradient(135deg, #21a0e3 0%, #4eb9f1 100%);
    color: #ffffff;
    font-size: 18px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 6px 25px rgba(33,160,227,0.3);
}

.umb_course_cta_button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(33,160,227,0.4);
    text-decoration: none;
    color: #ffffff;
}

.umb_course_certificate_badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #ebd518 0%, #f4e45f 100%);
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    color: #414d53;
    box-shadow: 0 3px 12px rgba(235,213,24,0.3);
}

@media (max-width: 968px) {
    .umb_course_hero {
        height: 350px;
    }
    
    .umb_course_hero_title {
        font-size: 32px;
    }
    
    .umb_course_hero_overlay {
        padding: 30px 20px 25px;
    }
    
    .umb_course_container {
        padding: 0 20px 60px;
    }
    
    .umb_course_stats {
        gap: 30px;
    }
    
    .umb_course_stat_item {
        padding: 20px 25px;
    }
    
    .umb_course_content {
        padding: 35px 25px;
    }
    
    .umb_course_section_title {
        font-size: 24px;
    }
    
    .umb_course_description {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .umb_course_hero {
        height: 280px;
    }
    
    .umb_course_hero_title {
        font-size: 26px;
    }
    
    .umb_course_stats {
        gap: 20px;
    }
    
    .umb_course_stat_item {
        width: 100%;
        max-width: 280px;
    }
    
    .umb_course_content {
        padding: 25px 20px;
    }
    
    .umb_course_cta_button {
        padding: 15px 35px;
        font-size: 16px;
        width: 100%;
        max-width: 300px;
    }
}

.prepo_login_section {
    position: relative;
    min-height: 650px;
    background: linear-gradient(135deg, #e8f4f8 0%, #f5f9fb 50%, #eef6f9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    overflow: hidden;
}

.prepo_login_section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(33, 160, 227, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(78, 185, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(235, 213, 24, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.prepo_login_wrapper {
    position: relative;
    width: 100%;
    max-width: 480px;
    z-index: 5;
}

.prepo_login_box {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.12),
        0 8px 20px rgba(33, 160, 227, 0.08);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.prepo_login_header {
    background: linear-gradient(135deg, #21a0e3 0%, #4eb9f1 100%);
    padding: 32px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.prepo_login_header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    animation: prepo_header_glow 8s ease-in-out infinite;
}

@keyframes prepo_header_glow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-20px, -20px); }
}

.prepo_login_title {
    font-size: 26px;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    letter-spacing: 0.3px;
}

.prepo_login_form {
    padding: 40px 30px;
}

.prepo_error_box {
    background: linear-gradient(135deg, #ffe8e8 0%, #ffd5d5 100%);
    border-left: 4px solid #d32f2f;
    color: #c62828;
    padding: 16px 18px;
    border-radius: 8px;
    margin-bottom: 28px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    box-shadow: 0 2px 8px rgba(211, 47, 47, 0.12);
}

.prepo_form_group {
    margin-bottom: 24px;
}

.prepo_form_label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #414d53;
    margin-bottom: 10px;
    letter-spacing: 0.2px;
}

.prepo_form_input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e0e7ea;
    border-radius: 10px;
    font-size: 15px;
    color: #414d53;
    background-color: #fafbfc;
    transition: all 0.3s ease;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.prepo_form_input:focus {
    outline: none;
    border-color: #21a0e3;
    background-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(33, 160, 227, 0.08);
}

.prepo_captcha_wrapper {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 28px;
}

.prepo_captcha_display {
    flex-shrink: 0;
    width: 140px;
    height: 60px;
    background: linear-gradient(135deg, #414d53 0%, #2c3942 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 8px;
    text-shadow: 
        2px 2px 4px rgba(0, 0, 0, 0.3),
        0 0 10px rgba(33, 160, 227, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.15),
        inset 0 1px 2px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.prepo_captcha_display::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    animation: prepo_captcha_shine 3s infinite;
}

@keyframes prepo_captcha_shine {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

.prepo_captcha_input_group {
    flex: 1;
}

.prepo_captcha_input_group .prepo_form_label {
    margin-bottom: 8px;
}

.prepo_submit_btn {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, #21a0e3 0%, #4eb9f1 100%);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 6px 20px rgba(33, 160, 227, 0.25);
    position: relative;
    overflow: hidden;
}

.prepo_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 0.5s ease;
}

.prepo_submit_btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(33, 160, 227, 0.35);
}

.prepo_submit_btn:hover::before {
    left: 100%;
}

.prepo_submit_btn:active {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .prepo_login_section {
        min-height: 550px;
        padding: 40px 15px;
    }
    
    .prepo_login_wrapper {
        max-width: 100%;
    }
    
    .prepo_login_header {
        padding: 26px 24px;
    }
    
    .prepo_login_title {
        font-size: 22px;
    }
    
    .prepo_login_form {
        padding: 32px 24px;
    }
    
    .prepo_captcha_wrapper {
        flex-direction: column;
        gap: 12px;
    }
    
    .prepo_captcha_display {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .prepo_login_section {
        padding: 30px 12px;
    }
    
    .prepo_login_header {
        padding: 22px 20px;
    }
    
    .prepo_login_title {
        font-size: 20px;
    }
    
    .prepo_login_form {
        padding: 28px 20px;
    }
    
    .prepo_form_input {
        padding: 12px 14px;
        font-size: 14px;
    }
    
    .prepo_captcha_display {
        height: 55px;
        font-size: 28px;
    }
    
    .prepo_submit_btn {
        padding: 14px 20px;
        font-size: 15px;
    }
}