.ca-form {
    max-width: 760px;
    margin: 50px auto;
    padding: 30px;
    border: 1px solid #ddd;
    border-radius: 10px;
    background: #fff;
    box-sizing: border-box;
}

.ca-form * {
    box-sizing: border-box;
}

.ca-form h2 {
    margin: 0 0 10px;
}

.ca-form p {
    margin-top: 0;
}

.ca-success {
    background: #dff0d8;
    color: #2f6627;
    padding: 12px 15px;
    margin-bottom: 18px;
    border-radius: 6px;
    border: 1px solid #c8e5bc;
}

.ca-error-box {
    background: #fdeaea;
    color: #8b0000;
    padding: 12px 15px;
    margin-bottom: 18px;
    border-radius: 6px;
    border: 1px solid #f3c2c2;
}

.ca-note {
    font-size: 16px;
    font-weight: 700;
    color: #555;
    margin: 15px 0 0;
}

/* progress */
.ca-progress {
    margin-bottom: 25px;
}

.ca-progress-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
    font-size: 14px;
    color: #555;
}

.ca-progress-bar {
    width: 100%;
    height: 10px;
    background: #eee;
    border-radius: 30px;
    overflow: hidden;
}

.ca-progress-fill {
    height: 100%;
    width: 33.33%;
    background: #8b0000;
    transition: width 0.3s ease;
}

/* steps */
.ca-step {
    display: none;
}

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

.ca-step-title {
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

/* fields */
.ca-field {
    margin-bottom: 16px;
}

.ca-field label {
    display: block;
    margin-bottom: 7px;
    font-weight: 600;
    color: #222;
}

.ca-required {
    color: #8b0000;
}

.ca-form input,
.ca-form select,
.ca-form textarea {
    width: 100%;
    padding: 12px;
    margin: 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    outline: none;
    background: #fff;
    font-size: 14px;
}

.ca-form textarea {
    min-height: 110px;
    resize: vertical;
}

.ca-form input:focus,
.ca-form select:focus,
.ca-form textarea:focus {
    border-color: #8b0000;
    box-shadow: 0 0 0 2px rgba(139, 0, 0, 0.08);
}

.ca-field-error {
    font-size: 13px;
    color: #8b0000;
    margin-top: 6px;
    display: none;
}

.ca-invalid input,
.ca-invalid select,
.ca-invalid textarea {
    border-color: #8b0000;
    background: #fff8f8;
}

.ca-invalid .ca-field-error {
    display: block;
}

/* 2 col layout */
.ca-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.ca-col-6 {
    width: calc(50% - 8px);
}

.ca-col-12 {
    width: 100%;
}

/* radios */
.ca-radio-group,
.ca-inline-radio {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ca-inline-radio {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 18px;
}

.ca-radio-option {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ca-radio-option input[type="radio"],
.ca-radio-option input[type="checkbox"] {
    width: auto;
    margin: 0;
    padding: 0;
}

/* conditional area */
.ca-conditional {
    display: none;
    margin-top: 20px;
    padding: 20px;
    background: #fafafa;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
}

.ca-conditional.active {
    display: block;
}

/* buttons */
.ca-actions {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 25px;
}

.ca-actions .ca-btn {
    min-width: 140px;
}

.ca-btn,
.ca-form button {
    display: inline-block;
    padding: 12px 20px;
    background: #8b0000;
    color: #fff;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    cursor: pointer;
    text-align: center;
    font-size: 14px;
    transition: 0.2s ease;
}

.ca-btn:hover,
.ca-form button:hover {
    opacity: 0.92;
}

.ca-btn-secondary {
    background: #666;
}

.ca-btn-secondary:hover {
    background: #555;
}

.ca-btn[disabled],
.ca-form button[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

/* review / final */
.ca-review-box {
    padding: 18px;
    background: #fafafa;
    border: 1px solid #e7e7e7;
    border-radius: 8px;
}

/* responsive */
@media (max-width: 768px) {
    .ca-form {
        margin: 20px auto;
        padding: 20px;
    }

    .ca-col-6 {
        width: 100%;
    }

    .ca-actions {
        flex-direction: column;
    }

    .ca-actions .ca-btn,
    .ca-actions button {
        width: 100%;
    }

    .ca-progress-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
}