/* ==============================================
   RESPONSIVE FORM LAYOUT - NO OVERLAP GUARANTEED
   ============================================== */

/* Form Grid Container */
.form-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 24px;
}

/* Form Row - Mobile First (Stack Vertically) */
.form-row {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 20px;
}

/* Desktop: Side-by-side Layout */
@media (min-width: 768px) {
    .form-row {
        flex-direction: row;
        gap: 20px;
    }
    
    .form-row .form-group {
        flex: 1;
        min-width: 0;  /* Critical: Prevents overflow */
    }
}

/* Form Group */
.form-group {
    display: flex;
    flex-direction: column;
    min-width: 0;
    width: 100%;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #495057;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Form Controls - NO OVERLAP */
.form-control,
input.form-control,
select.form-control,
textarea.form-control {
    width: 100%;
    min-width: 0;        /* Prevents flex overflow */
    max-width: 100%;     /* Never exceed container */
    padding: 10px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
    box-sizing: border-box;  /* Include padding in width */
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

/* Full Width Form Group */
.form-group.full-width {
    width: 100%;
}

/* Three Column Layout (Desktop) */
@media (min-width: 992px) {
    .form-row.three-cols {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .form-row.three-cols .form-group {
        min-width: 0;
    }
}

/* Responsive Breakpoints */
@media (max-width: 767px) {
    .form-row {
        gap: 16px;
        margin-bottom: 16px;
    }
    
    .form-control {
        font-size: 16px;  /* Prevent zoom on iOS */
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .form-group label {
        font-size: 14px;
    }
}