body {
    background-color: #f9f9f9;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
}

.app-form-container {
    max-width: 600px;
    margin: 40px auto;
    color: #111;
    border: 2px solid #111;
    padding: 30px;
    background: #fff;
    box-shadow: 6px 6px 0px #111;
}

.app-step {
    display: none;
}

.app-step.active {
    display: block;
}

.app-progress {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    border-bottom: 2px solid #111;
    padding-bottom: 10px;
}

.app-progress-step {
    font-weight: bold;
    color: #ccc;
    font-size: 14px;
}

.app-progress-step.active {
    color: #2e7d32;
}

.app-group {
    margin-bottom: 25px;
}

.app-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 10px;
}

.app-input-text {
    width: 100%;
    padding: 12px;
    border: 2px solid #111;
    box-sizing: border-box;
    font-size: 16px;
    background: #fff;
}

.app-input-text:focus {
    border-color: #2e7d32;
    outline: none;
}

.app-checkbox-label {
    display: flex;
    align-items: center;
    margin-bottom: 14px;
    cursor: pointer;
    font-size: 16px;
}

.app-checkbox-label input {
    margin-right: 12px;
    width: 18px;
    height: 18px;
    accent-color: #2e7d32;
}

.app-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.app-btn {
    background: #111;
    color: #fff;
    border: none;
    padding: 14px 28px;
    font-size: 16px;
    cursor: pointer;
    text-transform: uppercase;
    font-weight: bold;
    transition: background 0.1s;
}

.app-btn:hover {
    background: #2e7d32;
}

.app-btn-prev {
    background: #fff;
    color: #111;
    border: 2px solid #111;
}

.app-btn-prev:hover {
    background: #f1f1f1;
    color: #111;
}

.inline-text-input {
    border: none;
    border-bottom: 2px solid #111;
    padding: 2px 5px;
    font-size: 16px;
    width: 50%;
}

.inline-text-input:focus {
    outline: none;
    border-color: #2e7d32;
}