/* Vibrant Premium Design System for Custom Form Builder */
:root {
    --cfb-primary: #6366f1; /* Indigo */
    --cfb-primary-dark: #4f46e5;
    --cfb-secondary: #a855f7; /* Violet */
    --cfb-text: #000; /* Bold Black */
    --cfb-text-light: #000; /* Bold Black labels */
    --cfb-bg: #ffffff;
    --cfb-input-bg: transparent;
    --cfb-border: #000; /* Black bottom line */
    --cfb-shadow: none;
}

.cfb-form {
    max-width: 750px;
    margin: 40px auto;
    padding: 35px;
    background: transparent; /* Seamless blending */
    border-radius: 16px;
    font-family: 'Inter', -apple-system, system-ui, sans-serif;
    border: none;
    box-shadow: none;
}

.cfb-field-row {
    display: flex;
    gap: 24px;
    margin-bottom: 12px; /* Compacted */
}

@media (max-width: 600px) {
    .cfb-field-row {
        flex-direction: column;
        gap: 0;
    }
}

.cfb-field-group {
    flex: 1;
    margin-bottom: 15px; /* Compacted */
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.cfb-field-group label {
    font-size: 11px; /* Smaller, cleaner labels */
    font-weight: 700;
    color: var(--cfb-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.cfb-field-group input, 
.cfb-field-group textarea {
    padding: 10px 0px; /* Aligned with the left */
    border: none;
    border-bottom: 1px solid var(--cfb-border); /* Minimalist single-line */
    border-radius: 0; /* Boxy but sleek */
    font-size: 16px;
    color: var(--cfb-text);
    background-color: transparent !important; /* Fully transparent */
    transition: all 0.3s ease;
    width: 100%;
    box-sizing: border-box;
}

.cfb-field-group input:focus, 
.cfb-field-group textarea:focus {
    border-bottom-color: var(--cfb-primary); /* Animated underline */
    box-shadow: none; /* No more box glow */
    outline: none;
}

.cfb-field-group textarea {
    min-height: 100px;
}

.cfb-submit-btn {
    background: #111; /* Sleek Dark Gray/Black */
    color: rgb(244 193 74) !important; /* Premium Gold/Yellow */
    padding: 16px 45px;
    border: none;
    /* border-radius: 8px; */
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: all 0.3s ease;
    display: block;
    margin-left: auto;
}

.cfb-submit-btn:hover {
    transform: translateY(-2px);
    background: #000;
    filter: brightness(1.1);
}

.cfb-submit-btn:active {
    transform: translateY(0);
}

/* Success/Error Feedback */
.cfb-form-messages {
    margin-top: 25px;
}

.cfb-message {
    padding: 18px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.4s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.cfb-message.success {
    background-color: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.cfb-message.error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}