.modern-container {
    background: linear-gradient(135deg, #2089b6 0%, #0d4d66 100%);
    border-radius: 20px;
    padding: 40px;
    margin: 30px 0;
    margin-top: 0 !important;
    box-shadow: 0 10px 40px rgba(18, 96, 130, 0.2);
}

.modern-title {
    color: #fff;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.modern-subtitle {
    color: rgba(255, 255, 255, 0.95);
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 0;
}

.modern-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 25px;
    border: none;
}

.input-group-modern {
    margin-bottom: 25px;
}

.input-group-modern label {
    color: #495057;
    font-weight: 600;
    margin-bottom: 10px;
    display: block;
    font-size: 15px;
}

.file-upload-area {
    border: 2px dashed #126082;
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    background: linear-gradient(135deg, #f0f7fa 0%, #fff 100%);
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-upload-area:hover {
    border-color: #FF7B07;
    background: linear-gradient(135deg, #fff5f0 0%, #fff 100%);
    transform: translateY(-2px);
}

.file-upload-area i {
    font-size: 48px;
    color: #126082;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.file-upload-area:hover i {
    color: #FF7B07;
}

.file-upload-text {
    color: #495057;
    font-weight: 600;
    font-size: 16px;
    margin-top: 10px;
}

.textarea-modern {
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 15px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    transition: all 0.3s ease;
    resize: vertical;
}

.textarea-modern:focus {
    border-color: #126082;
    box-shadow: 0 0 0 3px rgba(18, 96, 130, 0.1);
    outline: none;
}

.btn-modern-primary {
    background: linear-gradient(135deg, #126082 0%, #0d4d66 100%);
    border: none;
    border-radius: 10px;
    padding: 12px 30px;
    font-weight: 600;
    color: #fff;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(18, 96, 130, 0.3);
}

.btn-modern-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(18, 96, 130, 0.4);
    color: #fff;
    background: linear-gradient(135deg, #0d4d66 0%, #126082 100%);
}

.btn-modern-secondary {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 12px 30px;
    font-weight: 600;
    color: #6c757d;
    transition: all 0.3s ease;
}

.btn-modern-secondary:hover {
    background: #e9ecef;
    color: #495057;
    transform: translateY(-2px);
}

.size-indicator {
    display: inline-block;
    padding: 5px 12px;
    background: #f8f9fa;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-top: 8px;
}

.size-indicator.warning {
    background: #fff3cd;
    color: #856404;
}

.size-indicator.error {
    background: #f8d7da;
    color: #721c24;
}

.option-toggle {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    background: #f8f9fa;
    padding: 8px;
    border-radius: 10px;
}

.option-toggle button {
    flex: 1;
    border: none;
    background: transparent;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    color: #6c757d;
    transition: all 0.3s ease;
}

.option-toggle button.active {
    background: #126082;
    color: #fff;
    box-shadow: 0 2px 8px rgba(18, 96, 130, 0.3);
}

.option-toggle button:hover:not(.active) {
    background: #f0f7fa;
    color: #126082;
}

.ul {
    margin: 10px auto !important;
    background-color: #f1f1f1;
    padding: 10px;
    border-radius: 5px;
}